An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
About 39,000 gallons of water are used to produce the average car!
14
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
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25
The cigarette lighter was invented before the match.
210
Whale oil was used in automobile transmissions as late as 1973.
56