An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Energy is being wasted if a toaster is left plugged in after use.
21
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
The cigarette lighter was invented before the match.
210
There are only 14 blimps in the world.
69
Car airbags kill 1 person for every 22 lives that they save.
80