In the early 1960's, Porsche commercially manufactured farm tractors.
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Jumbo jets use 4,000 gallons of fuel to take off.
19
The life boat was patented in 1845!
29
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Sony researchers have developed a refrigerator that only opens when you smile.
9
Surgeons who grew up playing video games make 37 percent fewer mistakes.
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Mico headphones read your brainwaves and select music based on your state of mind.
7