Car airbags kill 1 person for every 22 lives that they save.
80
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
A small airplane can fly backwards.
75
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Jumbo jets use 4,000 gallons of fuel to take off.
19
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0


