An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0
The life boat was patented in 1845!
29
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 IRS processes more than 2 billion pieces of paper each year.
28
Whale oil was used in automobile transmissions as late as 1973.
56