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 first alarm clock could only ring at 4 a.m.
120
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
Jumbo jets use 4,000 gallons of fuel to take off.
19
The United States produces enough plastic film annually to cover the entire state of Texas.
13
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12