A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Mico headphones read your brainwaves and select music based on your state of mind.
7
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
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 electric chair was invented by a dentist!
122
Whale oil was used in automobile transmissions as late as 1973.
56