The electric chair was invented by a dentist!
122
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
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
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
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
Jumbo jets use 4,000 gallons of fuel to take off.
19
