A Citreon 2CV with an oil leak once travelled 500 miles through Italy after its gearbox was filled with bananas!
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Jumbo jets use 4,000 gallons of fuel to take off.
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There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Sony researchers have developed a refrigerator that only opens when you smile.
9
The first alarm clock could only ring at 4 a.m.
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