The life boat was patented in 1845!
29
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Castor oil is used as a lubricant in jet planes.
-5
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
The average car produces a pound of pollution every 25 miles!
18
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
More than a billion transistors are manufactured every second.
-25
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47