Jumbo jets use 4,000 gallons of fuel to take off.
19
Sony researchers have developed a refrigerator that only opens when you smile.
9
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Super Nintendo and Sega Genesis had an online multiplayer mode.
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