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
Whale oil was used in automobile transmissions as late as 1973.
56
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
More than a billion transistors are manufactured every second.
-25
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
Car airbags kill 1 person for every 22 lives that they save.
80


