An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Whale oil was used in automobile transmissions as late as 1973.
56
Any modern jet is capable of breaking the sound barrier.
34
The United States produces enough plastic film annually to cover the entire state of Texas.
13
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
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