An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The electric chair was invented by a dentist!
122
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Any modern jet is capable of breaking the sound barrier.
34
The average car produces a pound of pollution every 25 miles!
18
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
Whale oil was used in automobile transmissions as late as 1973.
56