Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
The life boat was patented in 1845!
29
Whale oil was used in automobile transmissions as late as 1973.
56
More than a billion transistors are manufactured every second.
-25
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
Castor oil is used as a lubricant in jet planes.
-5