There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
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
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
Energy is being wasted if a toaster is left plugged in after use.
21