An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25
Originally, BMW was an airplane engine manufacturer.
69
The electric chair was invented by a dentist!
122
Sony researchers have developed a refrigerator that only opens when you smile.
9
The cigarette lighter was invented before the match.
210