Sony researchers have developed a refrigerator that only opens when you smile.
9
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The United States produces enough plastic film annually to cover the entire state of Texas.
13
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Castor oil is used as a lubricant in jet planes.
-5
Kleenex tissues were originally used as filters in gas masks.
46
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0