With loads of experiments and inventions under his belt, Cornelius Drebbel was a true Renaissance man. But one of his inventions was more useful than any other, even if England didn't think so at the time. Tune in and learn more about submarines. Learn the stories of unsung inventor heroes and their trials, tribulations and successes. Watch More Stuff of Genius on TestTube testtube.com/stuffofgenius Please Subscribe to Stuff of Genius www.youtube.com/subscription_center?add_user=hiddengeniusshow Watch More www.youtube.com/stuffofgenius Twitter twitter.com/stuffofgenius Facebook facebook.com/stuffofgenius Google+ gplus.to/stuffofgenius

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