Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
Any modern jet is capable of breaking the sound barrier.
34
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
The life boat was patented in 1845!
29
Castor oil is used as a lubricant in jet planes.
-5