Kleenex tissues were originally used as filters in gas masks.
46
Castor oil is used as a lubricant in jet planes.
-5
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Whale oil was used in automobile transmissions as late as 1973.
56
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The life boat was patented in 1845!
29