An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
There are only 14 blimps in the world.
69
The cigarette lighter was invented before the match.
210
Attics were invented in Attica.
43
Any modern jet is capable of breaking the sound barrier.
34
Car airbags kill 1 person for every 22 lives that they save.
80
