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    <title>Stuff of Genius (Large MP4)</title>
    <link>http://testtube.com/hiddengeniusshow</link>
    <description>Stuff of Genius tells the story behind everyday inventions. From the bikini to super wheat and everything in between, viewers will learn the stories of unsung inventor heroes and their trials, tribulations and successes.</description>
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    <itunes:explicit>no</itunes:explicit>
    <itunes:summary>Stuff of Genius tells the story behind everyday inventions.  From the bikini to super wheat and everything in between, viewers will learn the stories of unsung inventor heroes and their trials, tribulations and successes.</itunes:summary>
    <itunes:subtitle>Stuff of Genius tells the story behind everyday inventions.  From the bikini to super wheat and everything in between, viewers will learn the stories of unsung inventor heroes and their trials, tribulations and successes.</itunes:subtitle>
    <itunes:author>TestTube</itunes:author>
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    <itunes:keywords>everyday inventions, famous inventors, genius, hidden genius, how to invent, inventions, inventors, science, science history, stuff, tech, technology, technology history</itunes:keywords>
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      <title>Al Gross and the Walkie-Talkie - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/walkie-talkie</link>
      <description>
When Al Gross was nine years old, he wandered into a steamboat&apos;s radio room while vacationing with his family. For the rest of his life he was fascinated by wireless communication. Tune in and learn more about Al&apos;s Stuff of Genius.
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When Al Gross was nine years old, he wandered into a steamboat&apos;s radio room while vacationing with his family. For the rest of his life he was fascinated by wireless communication. Tune in and learn more about Al&apos;s Stuff of Genius.
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      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Tue, 21 May 2013 17:00:00 GMT</pubDate>
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      <itunes:duration>107</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
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      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
When Al Gross was nine years old, he wandered into a steamboat's radio room while vacationing with his family. For the rest of his life he was fascinated by wireless communication. Tune in and learn more about Al's Stuff of Genius.
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When Al Gross was nine years old, he wandered into a steamboat&apos;s radio room while vacationing with his family. For the rest of his life he was fascinated by wireless communication. Tune in and learn more about Al&apos;s Stuff of Genius.
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    <item>
      <title>Thomas Adams, Santa Anna and Chewing Gum - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/chewing-gum</link>
      <description>
Before his Stuff of Genius struck, Thomas Adams had already lived a very interesting life -- in fact, he even spent time with the infamous Santa Anna. Tune in to learn how Thomas failed at making synthetic rubber and ended up with chewing gum.
      </description>
      <content:encoded>
Before his Stuff of Genius struck, Thomas Adams had already lived a very interesting life -- in fact, he even spent time with the infamous Santa Anna. Tune in to learn how Thomas failed at making synthetic rubber and ended up with chewing gum.
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      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Thu, 16 May 2013 17:00:00 GMT</pubDate>
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      <itunes:duration>115</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
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      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Before his Stuff of Genius struck, Thomas Adams had already lived a very interesting life -- in fact, he even spent time with the infamous Santa Anna. Tune in to learn how Thomas failed at making synthetic rubber and ended up with chewing gum.
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Before his Stuff of Genius struck, Thomas Adams had already lived a very interesting life -- in fact, he even spent time with the infamous Santa Anna. Tune in to learn how Thomas failed at making synthetic rubber and ended up with chewing gum.
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      <title>Living the High Life: The Evolution of High Heels - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/high-heels</link>
      <description>
It turns out that the high heel has some interesting origins, including a history of male wearers!
      </description>
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It turns out that the high heel has some interesting origins, including a history of male wearers!
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Tue, 14 May 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>122</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, innovation, howstuffworks, how stuff works, science, technology, hidden genius, high heels, shoes, high heel, stiletto, stilletto, stilettos, heels, womens shoes, womens fashion, fashion, foot, feet</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
It turns out that the high heel has some interesting origins, including a history of male wearers!
      </itunes:subtitle>
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        <media:title>Living the High Life: The Evolution of High Heels - Stuff of Genius</media:title>
        <media:description>
It turns out that the high heel has some interesting origins, including a history of male wearers!
        </media:description>
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    <item>
      <title>Adolf Fick: Envisioning the Contact Lens - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/contact-lens</link>
      <description>
See how Adolf Fick gave people the ability to correct their vision without the use of spectacles or glasses.
      </description>
      <content:encoded>
See how Adolf Fick gave people the ability to correct their vision without the use of spectacles or glasses.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Thu, 09 May 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>94</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, innovation, howstuffworks, how stuff works, science, technology, hidden genius, contact lens, contact lenses, contacts, vision, eyesight, corrective vision, optometry, adolf fick, optics</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
See how Adolf Fick gave people the ability to correct their vision without the use of spectacles or glasses.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0056/hiddengeniusshow--0056--contact-lens--large.h264.mp4</guid>
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        <media:title>Adolf Fick: Envisioning the Contact Lens - Stuff of Genius</media:title>
        <media:description>
See how Adolf Fick gave people the ability to correct their vision without the use of spectacles or glasses.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0056/hiddengeniusshow--0056--contact-lens--mini.thumb.jpg" width="100" height="100" />
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    <item>
      <title>Esperanto: The L.L. Zamenhof Story - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/esperanto</link>
      <description>
Learn about how the universal language of Esperanto came to be.
      </description>
      <content:encoded>
Learn about how the universal language of Esperanto came to be.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Tue, 07 May 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>108</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, innovation, howstuffworks, how stuff works, science, technology, hidden genius, communication, esperanto, language, languages, zamenhof, universal language, miscommunication</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Learn about how the universal language of Esperanto came to be.
      </itunes:subtitle>
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        <media:title>Esperanto: The L.L. Zamenhof Story - Stuff of Genius</media:title>
        <media:description>
Learn about how the universal language of Esperanto came to be.
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        <media:rating>nonadult</media:rating>
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    <item>
      <title>The Surprising Origins of Sudoku - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/sudoku</link>
      <description>
Math-based puzzles have been around for centuries, but how did modern Sudoku get its start? Tune in to learn more about Sudoku in this episode.
      </description>
      <content:encoded>
Math-based puzzles have been around for centuries, but how did modern Sudoku get its start? Tune in to learn more about Sudoku in this episode.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Thu, 02 May 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>110</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, innovation, howstuffworks, how stuff works, science, technology, hidden genius, games, puzzles, sudoku, math, number puzzles, number games, math puzzles, math games, numbers</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Math-based puzzles have been around for centuries, but how did modern Sudoku get its start? Tune in to learn more about Sudoku in this episode.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0054/hiddengeniusshow--0054--sudoku--large.h264.mp4</guid>
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        <media:title>The Surprising Origins of Sudoku - Stuff of Genius</media:title>
        <media:description>
Math-based puzzles have been around for centuries, but how did modern Sudoku get its start? Tune in to learn more about Sudoku in this episode.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0054/hiddengeniusshow--0054--sudoku--mini.thumb.jpg" width="100" height="100" />
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      <title>Jacob, Levi and the Most American of Pants - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/blue-jeans</link>
      <description>
Today, blue jeans are one of the world&apos;s most iconic forms of clothing. But who came up with the idea? (Hint: It wasn&apos;t just Levi Strauss.) Tune in to learn more about blue jeans in this special episode featuring two inventors.
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      <content:encoded>
Today, blue jeans are one of the world&apos;s most iconic forms of clothing. But who came up with the idea? (Hint: It wasn&apos;t just Levi Strauss.) Tune in to learn more about blue jeans in this special episode featuring two inventors.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Tue, 30 Apr 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>141</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, innovation, howstuffworks, how stuff works, science, technology, hidden genius, blue jeans, denim jeans, levi strauss, inventor of blue jeans, invention of blue jeans, jeans, pants, jacob davis</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Today, blue jeans are one of the world's most iconic forms of clothing. But who came up with the idea? (Hint: It wasn't just Levi Strauss.) Tune in to learn more about blue jeans in this special episode featuring two inventors.
      </itunes:subtitle>
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        <media:title>Jacob, Levi and the Most American of Pants - Stuff of Genius</media:title>
        <media:description>
Today, blue jeans are one of the world&apos;s most iconic forms of clothing. But who came up with the idea? (Hint: It wasn&apos;t just Levi Strauss.) Tune in to learn more about blue jeans in this special episode featuring two inventors.
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        <media:rating>nonadult</media:rating>
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    <item>
      <title>Ole Evinrude and the Outboard Motor - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/outboard-motor</link>
      <description>
Ole Evinrude grew up loving machines, but he may never have stumbled across the Stuff of Genius if he hadn&apos;t had a grueling quest for ice cream. Tune in to learn more about outboard motors.
      </description>
      <content:encoded>
Ole Evinrude grew up loving machines, but he may never have stumbled across the Stuff of Genius if he hadn&apos;t had a grueling quest for ice cream. Tune in to learn more about outboard motors.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Thu, 25 Apr 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>95</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, innovation, howstuffworks, how stuff works, science, technology, hidden genius, ole evinrude, evinrude, motor, outboard motor, boat, motors, boating, engine, engines, boats</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Ole Evinrude grew up loving machines, but he may never have stumbled across the Stuff of Genius if he hadn't had a grueling quest for ice cream. Tune in to learn more about outboard motors.
      </itunes:subtitle>
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Ole Evinrude grew up loving machines, but he may never have stumbled across the Stuff of Genius if he hadn&apos;t had a grueling quest for ice cream. Tune in to learn more about outboard motors.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0052/hiddengeniusshow--0052--outboard-motor--mini.thumb.jpg" width="100" height="100" />
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    <item>
      <title>Sarah Goode and the Folding Bed - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/folding-bed</link>
      <description>
During a time when women were treated like second-class citizens and African-Americans were relentlessly persecuted, Sarah Goode built her own business from the ground up. Tune in to learn more about Sarah Goode and the folding cabinet bed.
      </description>
      <content:encoded>
During a time when women were treated like second-class citizens and African-Americans were relentlessly persecuted, Sarah Goode built her own business from the ground up. Tune in to learn more about Sarah Goode and the folding cabinet bed.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Tue, 23 Apr 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>99</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, innovation, howstuffworks, how stuff works, science, technology, hidden genius, sarah goode, bed, beds, folding bed, women inventors, female inventors, business, african-american inventors, furniture</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
During a time when women were treated like second-class citizens and African-Americans were relentlessly persecuted, Sarah Goode built her own business from the ground up. Tune in to learn more about Sarah Goode and the folding cabinet bed.
      </itunes:subtitle>
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During a time when women were treated like second-class citizens and African-Americans were relentlessly persecuted, Sarah Goode built her own business from the ground up. Tune in to learn more about Sarah Goode and the folding cabinet bed.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0051/hiddengeniusshow--0051--folding-bed--mini.thumb.jpg" width="100" height="100" />
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    <item>
      <title>Mr. Booth and the Vacuum Cleaner - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/vacuum-cleaner</link>
      <description>
Today vacuum cleaners are a commonplace sight in homes and businesses across the planet -- but where do they come from, exactly? Tune in to learn more.
      </description>
      <content:encoded>
Today vacuum cleaners are a commonplace sight in homes and businesses across the planet -- but where do they come from, exactly? Tune in to learn more.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Thu, 18 Apr 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>121</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, vacuum, vacuums, vacuum cleaner, vaccuum, cleaning, clean, household, home, dust, tech, spring cleaning</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Today vacuum cleaners are a commonplace sight in homes and businesses across the planet -- but where do they come from, exactly? Tune in to learn more.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0050/hiddengeniusshow--0050--vacuum-cleaner--large.h264.mp4</guid>
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      <media:content duration="121" medium="video" fileSize="14068873" url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0050/hiddengeniusshow--0050--vacuum-cleaner--large.h264.mp4" type="video/mp4">
        <media:title>Mr. Booth and the Vacuum Cleaner - Stuff of Genius</media:title>
        <media:description>
Today vacuum cleaners are a commonplace sight in homes and businesses across the planet -- but where do they come from, exactly? Tune in to learn more.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0050/hiddengeniusshow--0050--vacuum-cleaner--mini.thumb.jpg" width="100" height="100" />
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        <media:rating>nonadult</media:rating>
        <media:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, vacuum, vacuums, vacuum cleaner, vaccuum, cleaning, clean, household, home, dust, tech, spring cleaning</media:keywords>
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    </item>
    <item>
      <title>Control Your Cruising: The Ralph Teetor Story - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/cruise-control</link>
      <description>
Although he was blinded at the age of six, Ralph Teetor rose through the ranks of industry to become the president of his own manufacturing company -- and he didn&apos;t stop there. Tune in to learn how an uncomfortable auto ride inspired the Stuff of Genius.
      </description>
      <content:encoded>
Although he was blinded at the age of six, Ralph Teetor rose through the ranks of industry to become the president of his own manufacturing company -- and he didn&apos;t stop there. Tune in to learn how an uncomfortable auto ride inspired the Stuff of Genius.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Tue, 16 Apr 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>119</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, tech, ralph teetor, cruise control, cars, car, automobiles, automobile, cruise, cruising, blind</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Although he was blinded at the age of six, Ralph Teetor rose through the ranks of industry to become the president of his own manufacturing company -- and he didn't stop there. Tune in to learn how an uncomfortable auto ride inspired the Stuff of Genius.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0049/hiddengeniusshow--0049--cruise-control--large.h264.mp4</guid>
      <enclosure url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0049/hiddengeniusshow--0049--cruise-control--large.h264.mp4" length="15096437" type="video/mp4" />
      <media:content duration="119" medium="video" fileSize="15096437" url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0049/hiddengeniusshow--0049--cruise-control--large.h264.mp4" type="video/mp4">
        <media:title>Control Your Cruising: The Ralph Teetor Story - Stuff of Genius</media:title>
        <media:description>
Although he was blinded at the age of six, Ralph Teetor rose through the ranks of industry to become the president of his own manufacturing company -- and he didn&apos;t stop there. Tune in to learn how an uncomfortable auto ride inspired the Stuff of Genius.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0049/hiddengeniusshow--0049--cruise-control--mini.thumb.jpg" width="100" height="100" />
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        <media:rating>nonadult</media:rating>
        <media:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, tech, ralph teetor, cruise control, cars, car, automobiles, automobile, cruise, cruising, blind</media:keywords>
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    </item>
    <item>
      <title>Frank Epperson and the Popsicle - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/popsicle</link>
      <description>
At the young age of 11, Frank Epperson unintentionally created one of the world&apos;s most popular frozen treats.
      </description>
      <content:encoded>
At the young age of 11, Frank Epperson unintentionally created one of the world&apos;s most popular frozen treats.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Thu, 11 Apr 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>96</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, popsicle, frank epperson, dessert, ice, snow, junk food, frozen</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
At the young age of 11, Frank Epperson unintentionally created one of the world's most popular frozen treats.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0048/hiddengeniusshow--0048--popsicle--large.h264.mp4</guid>
      <enclosure url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0048/hiddengeniusshow--0048--popsicle--large.h264.mp4" length="12939617" type="video/mp4" />
      <media:content duration="96" medium="video" fileSize="12939617" url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0048/hiddengeniusshow--0048--popsicle--large.h264.mp4" type="video/mp4">
        <media:title>Frank Epperson and the Popsicle - Stuff of Genius</media:title>
        <media:description>
At the young age of 11, Frank Epperson unintentionally created one of the world&apos;s most popular frozen treats.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0048/hiddengeniusshow--0048--popsicle--mini.thumb.jpg" width="100" height="100" />
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        <media:rating>nonadult</media:rating>
        <media:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, popsicle, frank epperson, dessert, ice, snow, junk food, frozen</media:keywords>
      </media:content>
    </item>
    <item>
      <title>Willem Einthoven and the ECG - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/ecg</link>
      <description>
See why Willem Einthoven is credited as the creator of the Electrocardiograph.
      </description>
      <content:encoded>
See why Willem Einthoven is credited as the creator of the Electrocardiograph.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Tue, 09 Apr 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>105</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, willem eintoven, eintoven, ecg, electrocardiogram, heart, heartbeat, medicine, medical, ekg, heart conditions</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
See why Willem Einthoven is credited as the creator of the Electrocardiograph.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0047/hiddengeniusshow--0047--ecg--large.h264.mp4</guid>
      <enclosure url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0047/hiddengeniusshow--0047--ecg--large.h264.mp4" length="13678636" type="video/mp4" />
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        <media:title>Willem Einthoven and the ECG - Stuff of Genius</media:title>
        <media:description>
See why Willem Einthoven is credited as the creator of the Electrocardiograph.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0047/hiddengeniusshow--0047--ecg--mini.thumb.jpg" width="100" height="100" />
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        <media:rating>nonadult</media:rating>
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    </item>
    <item>
      <title>Community Antenna Television: The John Walson Story - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/cable-tv</link>
      <description>
John Walson couldn&apos;t sell many television sets in Mahanoy City -- the reception was terrible, and no one wanted a television that couldn&apos;t pick up any channels. Tune in to learn how John fixed the problem and invented cable TV in the process.
      </description>
      <content:encoded>
John Walson couldn&apos;t sell many television sets in Mahanoy City -- the reception was terrible, and no one wanted a television that couldn&apos;t pick up any channels. Tune in to learn how John fixed the problem and invented cable TV in the process.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Thu, 04 Apr 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>108</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, tech, cable, cable tv, tv, television, john walson, channels, antenna, history of technology, cable tv history, media history, history videos</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
John Walson couldn't sell many television sets in Mahanoy City -- the reception was terrible, and no one wanted a television that couldn't pick up any channels. Tune in to learn how John fixed the problem and invented cable TV in the process.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0046/hiddengeniusshow--0046--cable-tv--large.h264.mp4</guid>
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      <media:content duration="108" medium="video" fileSize="14322219" url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0046/hiddengeniusshow--0046--cable-tv--large.h264.mp4" type="video/mp4">
        <media:title>Community Antenna Television: The John Walson Story - Stuff of Genius</media:title>
        <media:description>
John Walson couldn&apos;t sell many television sets in Mahanoy City -- the reception was terrible, and no one wanted a television that couldn&apos;t pick up any channels. Tune in to learn how John fixed the problem and invented cable TV in the process.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0046/hiddengeniusshow--0046--cable-tv--mini.thumb.jpg" width="100" height="100" />
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        <media:rating>nonadult</media:rating>
        <media:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, tech, cable, cable tv, tv, television, john walson, channels, antenna, history of technology, cable tv history, media history, history videos</media:keywords>
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    </item>
    <item>
      <title>The Story of the Stethoscope: From a Kids Game to a Modern Medical Invention - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/stethoscope</link>
      <description>
Nowadays it seems that every doctor has a stethoscope. But who invented this nifty device, and how? Tune in to learn more.
      </description>
      <content:encoded>
Nowadays it seems that every doctor has a stethoscope. But who invented this nifty device, and how? Tune in to learn more.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Tue, 02 Apr 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>103</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, tech, medicine, medical, stethoscope, doctors, doctor, history, medical history, medical videos, history of medicine</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Nowadays it seems that every doctor has a stethoscope. But who invented this nifty device, and how? Tune in to learn more.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0045/hiddengeniusshow--0045--stethoscope--large.h264.mp4</guid>
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        <media:title>The Story of the Stethoscope: From a Kids Game to a Modern Medical Invention - Stuff of Genius</media:title>
        <media:description>
Nowadays it seems that every doctor has a stethoscope. But who invented this nifty device, and how? Tune in to learn more.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0045/hiddengeniusshow--0045--stethoscope--mini.thumb.jpg" width="100" height="100" />
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        <media:rating>nonadult</media:rating>
        <media:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, tech, medicine, medical, stethoscope, doctors, doctor, history, medical history, medical videos, history of medicine</media:keywords>
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    </item>
    <item>
      <title>William Dobelle and the Artificial Eye: How to Help People See - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/artificial-eye</link>
      <description>
While working at the Artificial Organ Institute, William Dobelle came up with the idea for the artificial eye, a device that could potentially bring sight to millions. But what exactly is it and how does it work?
      </description>
      <content:encoded>
While working at the Artificial Organ Institute, William Dobelle came up with the idea for the artificial eye, a device that could potentially bring sight to millions. But what exactly is it and how does it work?
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Mon, 01 Apr 2013 16:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>116</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, vision, tech, blind, artificial eye, dobelle, dobell, dobelle eye, eye, eyes, invention videos, science videos</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
While working at the Artificial Organ Institute, William Dobelle came up with the idea for the artificial eye, a device that could potentially bring sight to millions. But what exactly is it and how does it work?
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0044/hiddengeniusshow--0044--artificial-eye--large.h264.mp4</guid>
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        <media:title>William Dobelle and the Artificial Eye: How to Help People See - Stuff of Genius</media:title>
        <media:description>
While working at the Artificial Organ Institute, William Dobelle came up with the idea for the artificial eye, a device that could potentially bring sight to millions. But what exactly is it and how does it work?
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0044/hiddengeniusshow--0044--artificial-eye--mini.thumb.jpg" width="100" height="100" />
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        <media:rating>nonadult</media:rating>
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    </item>
    <item>
      <title>Edward Budding, the Father of the Lawnmower - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/lawnmower</link>
      <description>
Before 1830, trimming a lawn was time-consuming and difficult. At least, that is, until a fabric-shaving machine inspired Edward Budding to invent the lawnmower -- and save future landscapers from countless hours of hacking at the ground with scythes.
      </description>
      <content:encoded>
Before 1830, trimming a lawn was time-consuming and difficult. At least, that is, until a fabric-shaving machine inspired Edward Budding to invent the lawnmower -- and save future landscapers from countless hours of hacking at the ground with scythes.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Thu, 28 Mar 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>113</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, edward budding, lawnmower, mowing, lawns, grass, invention of lawnmower, mower</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Before 1830, trimming a lawn was time-consuming and difficult. At least, that is, until a fabric-shaving machine inspired Edward Budding to invent the lawnmower -- and save future landscapers from countless hours of hacking at the ground with scythes.
      </itunes:subtitle>
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      <media:content duration="113" medium="video" fileSize="15093737" url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0043/hiddengeniusshow--0043--lawnmower--large.h264.mp4" type="video/mp4">
        <media:title>Edward Budding, the Father of the Lawnmower - Stuff of Genius</media:title>
        <media:description>
Before 1830, trimming a lawn was time-consuming and difficult. At least, that is, until a fabric-shaving machine inspired Edward Budding to invent the lawnmower -- and save future landscapers from countless hours of hacking at the ground with scythes.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0043/hiddengeniusshow--0043--lawnmower--mini.thumb.jpg" width="100" height="100" />
        <media:player url="http://testtube.com/hiddengeniusshow/lawnmower" />
        <media:rating>nonadult</media:rating>
        <media:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, edward budding, lawnmower, mowing, lawns, grass, invention of lawnmower, mower</media:keywords>
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    </item>
    <item>
      <title>The Man Behind the Metronome - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/metronome</link>
      <description>
Today metronomes are a fairly common sight in music halls and studios around the world. But who invented them? Tune in to learn more about the metronome.
      </description>
      <content:encoded>
Today metronomes are a fairly common sight in music halls and studios around the world. But who invented them? Tune in to learn more about the metronome.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Tue, 26 Mar 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>101</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden genius, metronome, music, metronomes, winkel, invention of metronome, dietrich nikolaus winkel, patents</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Today metronomes are a fairly common sight in music halls and studios around the world. But who invented them? Tune in to learn more about the metronome.
      </itunes:subtitle>
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        <media:title>The Man Behind the Metronome - Stuff of Genius</media:title>
        <media:description>
Today metronomes are a fairly common sight in music halls and studios around the world. But who invented them? Tune in to learn more about the metronome.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0042/hiddengeniusshow--0042--metronome--mini.thumb.jpg" width="100" height="100" />
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    <item>
      <title>Making the Very Small, Big: The Electron Microscope - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/electron-microscope</link>
      <description>
Once we exhausted the ability to magnify objects through the use of light and lenses, we had to look for a new method.  We wanted to go smaller.  Enter the electron microscope.
      </description>
      <content:encoded>
Once we exhausted the ability to magnify objects through the use of light and lenses, we had to look for a new method.  We wanted to go smaller.  Enter the electron microscope.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Mon, 25 Mar 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>105</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, science, hidden genius, optics, electron microscope, light, beam, sample, magnify, radiation, particle, physics, history of the microscope</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Once we exhausted the ability to magnify objects through the use of light and lenses, we had to look for a new method.  We wanted to go smaller.  Enter the electron microscope.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0041/hiddengeniusshow--0041--electron-microscope--large.h264.mp4</guid>
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        <media:title>Making the Very Small, Big: The Electron Microscope - Stuff of Genius</media:title>
        <media:description>
Once we exhausted the ability to magnify objects through the use of light and lenses, we had to look for a new method.  We wanted to go smaller.  Enter the electron microscope.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0041/hiddengeniusshow--0041--electron-microscope--mini.thumb.jpg" width="100" height="100" />
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        <media:rating>nonadult</media:rating>
        <media:keywords>stuff of genius, science, hidden genius, optics, electron microscope, light, beam, sample, magnify, radiation, particle, physics, history of the microscope</media:keywords>
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    <item>
      <title>Hugh Bradner and the Wetsuit - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/wetsuit</link>
      <description>
Today wetsuits are considered essential equipment for most divers -- but this wasn&apos;t always the case. Tune in to learn how a brilliant physicist created the Stuff of (underwater) Genius.
      </description>
      <content:encoded>
Today wetsuits are considered essential equipment for most divers -- but this wasn&apos;t always the case. Tune in to learn how a brilliant physicist created the Stuff of (underwater) Genius.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Thu, 21 Mar 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>118</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden, wetsuit, invention of the wetsuit, diving, divers, hugh bradner</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Today wetsuits are considered essential equipment for most divers -- but this wasn't always the case. Tune in to learn how a brilliant physicist created the Stuff of (underwater) Genius.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0040/hiddengeniusshow--0040--wetsuit--large.h264.mp4</guid>
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        <media:title>Hugh Bradner and the Wetsuit - Stuff of Genius</media:title>
        <media:description>
Today wetsuits are considered essential equipment for most divers -- but this wasn&apos;t always the case. Tune in to learn how a brilliant physicist created the Stuff of (underwater) Genius.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0040/hiddengeniusshow--0040--wetsuit--mini.thumb.jpg" width="100" height="100" />
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        <media:rating>nonadult</media:rating>
        <media:keywords>stuff of genius, inventors, inventions, howstuffworks, how stuff works, science, technology, hidden, wetsuit, invention of the wetsuit, diving, divers, hugh bradner</media:keywords>
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    <item>
      <title>Philip Diehl and the Ceiling Fan - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/ceiling-fan</link>
      <description>
Originally born in Germany, Philip Diehl immigrated to the US in 1868. Although he has several fascinating inventions to his name, the ceiling fan remains his most well-known innovation. Tune in to learn more.
      </description>
      <content:encoded>
Originally born in Germany, Philip Diehl immigrated to the US in 1868. Although he has several fascinating inventions to his name, the ceiling fan remains his most well-known innovation. Tune in to learn more.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Tue, 19 Mar 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>95</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, science, technology, ceiling fan, fan, invention of ceiling fan, philip diehl</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Originally born in Germany, Philip Diehl immigrated to the US in 1868. Although he has several fascinating inventions to his name, the ceiling fan remains his most well-known innovation. Tune in to learn more.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0039/hiddengeniusshow--0039--ceiling-fan--large.h264.mp4</guid>
      <enclosure url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0039/hiddengeniusshow--0039--ceiling-fan--large.h264.mp4" length="12919513" type="video/mp4" />
      <media:content duration="95" medium="video" fileSize="12919513" url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0039/hiddengeniusshow--0039--ceiling-fan--large.h264.mp4" type="video/mp4">
        <media:title>Philip Diehl and the Ceiling Fan - Stuff of Genius</media:title>
        <media:description>
Originally born in Germany, Philip Diehl immigrated to the US in 1868. Although he has several fascinating inventions to his name, the ceiling fan remains his most well-known innovation. Tune in to learn more.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0039/hiddengeniusshow--0039--ceiling-fan--mini.thumb.jpg" width="100" height="100" />
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        <media:rating>nonadult</media:rating>
        <media:keywords>stuff of genius, inventors, inventions, science, technology, ceiling fan, fan, invention of ceiling fan, philip diehl</media:keywords>
      </media:content>
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    <item>
      <title>Don&apos;t Stretch the Truth Behind Rubber Bands - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/rubber-band</link>
      <description>
Derived from tree sap, the rubber used to make rubber bands is fascinating. See how rubber bands came to be in this episode.
      </description>
      <content:encoded>
Derived from tree sap, the rubber used to make rubber bands is fascinating. See how rubber bands came to be in this episode.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Mon, 18 Mar 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>68</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, howstuffworks, how stuff works, hidden, rubber band, vulcanization, vulcan, bounce, tires, rubber tree, eraser, mesoamerica, elasticity</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Derived from tree sap, the rubber used to make rubber bands is fascinating. See how rubber bands came to be in this episode.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0038/hiddengeniusshow--0038--rubber-band--large.h264.mp4</guid>
      <enclosure url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0038/hiddengeniusshow--0038--rubber-band--large.h264.mp4" length="8646063" type="video/mp4" />
      <media:content duration="68" medium="video" fileSize="8646063" url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0038/hiddengeniusshow--0038--rubber-band--large.h264.mp4" type="video/mp4">
        <media:title>Don&apos;t Stretch the Truth Behind Rubber Bands - Stuff of Genius</media:title>
        <media:description>
Derived from tree sap, the rubber used to make rubber bands is fascinating. See how rubber bands came to be in this episode.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0038/hiddengeniusshow--0038--rubber-band--mini.thumb.jpg" width="100" height="100" />
        <media:player url="http://testtube.com/hiddengeniusshow/rubber-band" />
        <media:rating>nonadult</media:rating>
        <media:keywords>stuff of genius, howstuffworks, how stuff works, hidden, rubber band, vulcanization, vulcan, bounce, tires, rubber tree, eraser, mesoamerica, elasticity</media:keywords>
      </media:content>
    </item>
    <item>
      <title>The Rise and Fall of Zeppelin&apos;s Airship - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/zeppelin</link>
      <description>
When the German aristocrat Ferdinand Zeppelin traveled to the U.S. during the Civil War, an unexpected encounter with Thaddeus S.C. Lowe&apos;s aviation experiments changed his life. Tune in to learn more about the rise and fall of the Zeppelin airship.
      </description>
      <content:encoded>
When the German aristocrat Ferdinand Zeppelin traveled to the U.S. during the Civil War, an unexpected encounter with Thaddeus S.C. Lowe&apos;s aviation experiments changed his life. Tune in to learn more about the rise and fall of the Zeppelin airship.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Thu, 14 Mar 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>124</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, ferdinand zeppelin, zeppelin, airship, invention of zeppelin, hindenburg, zeppelin airships, hindenburg disaster</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
When the German aristocrat Ferdinand Zeppelin traveled to the U.S. during the Civil War, an unexpected encounter with Thaddeus S.C. Lowe's aviation experiments changed his life. Tune in to learn more about the rise and fall of the Zeppelin airship.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0037/hiddengeniusshow--0037--zeppelin--large.h264.mp4</guid>
      <enclosure url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0037/hiddengeniusshow--0037--zeppelin--large.h264.mp4" length="16249104" type="video/mp4" />
      <media:content duration="124" medium="video" fileSize="16249104" url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0037/hiddengeniusshow--0037--zeppelin--large.h264.mp4" type="video/mp4">
        <media:title>The Rise and Fall of Zeppelin&apos;s Airship - Stuff of Genius</media:title>
        <media:description>
When the German aristocrat Ferdinand Zeppelin traveled to the U.S. during the Civil War, an unexpected encounter with Thaddeus S.C. Lowe&apos;s aviation experiments changed his life. Tune in to learn more about the rise and fall of the Zeppelin airship.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0037/hiddengeniusshow--0037--zeppelin--mini.thumb.jpg" width="100" height="100" />
        <media:player url="http://testtube.com/hiddengeniusshow/zeppelin" />
        <media:rating>nonadult</media:rating>
        <media:keywords>stuff of genius, inventors, inventions, ferdinand zeppelin, zeppelin, airship, invention of zeppelin, hindenburg, zeppelin airships, hindenburg disaster</media:keywords>
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    <item>
      <title>Christopher Cockerell and the Hovercraft - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/hovercraft</link>
      <description>
Christopher came from a smart family, and he was no exception to the rule. Tune in to learn how the purchase of a marina inspired this engineer to build something that&apos;s not quite a boat, and not quite a plane -- but certainly the Stuff of Genius.
      </description>
      <content:encoded>
Christopher came from a smart family, and he was no exception to the rule. Tune in to learn how the purchase of a marina inspired this engineer to build something that&apos;s not quite a boat, and not quite a plane -- but certainly the Stuff of Genius.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Tue, 12 Mar 2013 17:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>143</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>stuff of genius, inventors, inventions, christopher cockerell, hovercraft, invention of hovercraft</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
Christopher came from a smart family, and he was no exception to the rule. Tune in to learn how the purchase of a marina inspired this engineer to build something that's not quite a boat, and not quite a plane -- but certainly the Stuff of Genius.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0036/hiddengeniusshow--0036--hovercraft--large.h264.mp4</guid>
      <enclosure url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0036/hiddengeniusshow--0036--hovercraft--large.h264.mp4" length="19289367" type="video/mp4" />
      <media:content duration="143" medium="video" fileSize="19289367" url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0036/hiddengeniusshow--0036--hovercraft--large.h264.mp4" type="video/mp4">
        <media:title>Christopher Cockerell and the Hovercraft - Stuff of Genius</media:title>
        <media:description>
Christopher came from a smart family, and he was no exception to the rule. Tune in to learn how the purchase of a marina inspired this engineer to build something that&apos;s not quite a boat, and not quite a plane -- but certainly the Stuff of Genius.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0036/hiddengeniusshow--0036--hovercraft--mini.thumb.jpg" width="100" height="100" />
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        <media:rating>nonadult</media:rating>
        <media:keywords>stuff of genius, inventors, inventions, christopher cockerell, hovercraft, invention of hovercraft</media:keywords>
      </media:content>
    </item>
    <item>
      <title>Nuclear Energy: The Power of the Atom - Stuff of Genius</title>
      <link>http://testtube.com/hiddengeniusshow/nuclear-reactor</link>
      <description>
While nuclear energy has not become the dominant form of energy in the world today, it is still a viable option. See how the process works.
      </description>
      <content:encoded>
While nuclear energy has not become the dominant form of energy in the world today, it is still a viable option. See how the process works.
      </content:encoded>
      <author>feedback@testtube.com (TestTube)</author>
      <pubDate>Mon, 11 Mar 2013 16:00:00 GMT</pubDate>
      <itunes:image href="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/hiddengeniusshow.jpg" />
      <itunes:duration>86</itunes:duration>
      <itunes:explicit>no</itunes:explicit>
      <itunes:keywords>physics, nuclear reactor, fusion, fission, atom, split, proton, nutron, electron, power, green energy, waste, bomb, fermi, energy, reactor, nuclear</itunes:keywords>
      <itunes:author>TestTube</itunes:author>
      <itunes:subtitle>
While nuclear energy has not become the dominant form of energy in the world today, it is still a viable option. See how the process works.
      </itunes:subtitle>
      <guid isPermaLink="false">/hiddengeniusshow/0035/hiddengeniusshow--0035--nuclear-reactor--large.h264.mp4</guid>
      <enclosure url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0035/hiddengeniusshow--0035--nuclear-reactor--large.h264.mp4" length="11143358" type="video/mp4" />
      <media:content duration="86" medium="video" fileSize="11143358" url="http://videos.testtube.com/revision3/web/hiddengeniusshow/0035/hiddengeniusshow--0035--nuclear-reactor--large.h264.mp4" type="video/mp4">
        <media:title>Nuclear Energy: The Power of the Atom - Stuff of Genius</media:title>
        <media:description>
While nuclear energy has not become the dominant form of energy in the world today, it is still a viable option. See how the process works.
        </media:description>
        <media:thumbnail url="http://videos.testtube.com/revision3/images/shows/hiddengeniusshow/0035/hiddengeniusshow--0035--nuclear-reactor--mini.thumb.jpg" width="100" height="100" />
        <media:player url="http://testtube.com/hiddengeniusshow/nuclear-reactor" />
        <media:rating>nonadult</media:rating>
        <media:keywords>physics, nuclear reactor, fusion, fission, atom, split, proton, nutron, electron, power, green energy, waste, bomb, fermi, energy, reactor, nuclear</media:keywords>
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