A small airplane can fly backwards.
75
The life boat was patented in 1845!
29
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Sony researchers have developed a refrigerator that only opens when you smile.
9
Kleenex tissues were originally used as filters in gas masks.
46
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Castor oil is used as a lubricant in jet planes.
-5
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93