All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
2
The cigarette lighter was invented before the match.
210
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Car airbags kill 1 person for every 22 lives that they save.
80
A toaster uses almost half as much energy as a full-sized oven.
33
Castor oil is used as a lubricant in jet planes.
-5
Kleenex tissues were originally used as filters in gas masks.
46
Originally, Nintendo was a playing card manufacturer.
70