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
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
Energy is being wasted if a toaster is left plugged in after use.
21
Castor oil is used as a lubricant in jet planes.
-5
Any modern jet is capable of breaking the sound barrier.
34
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308