Sony researchers have developed a refrigerator that only opens when you smile.
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The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
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The life boat was patented in 1845!
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To have your picture taken by the very first camera you would have had to sit still for 8 hours!
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The electric chair was invented by a dentist!
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The ball on top of a flagpole is called a 'truck'.
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There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
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