Whale oil was used in automobile transmissions as late as 1973.
56
The electric chair was invented by a dentist!
122
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The cigarette lighter was invented before the match.
210
Mico headphones read your brainwaves and select music based on your state of mind.
7
About 39,000 gallons of water are used to produce the average car!
14
The life boat was patented in 1845!
29
Any modern jet is capable of breaking the sound barrier.
34