Whale oil was used in automobile transmissions as late as 1973.
56
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
There are only 14 blimps in the world.
69
The ball on top of a flagpole is called a 'truck'.
24
Any modern jet is capable of breaking the sound barrier.
34
In the early 1960's, Porsche commercially manufactured farm tractors.
24
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47