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
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
About 39,000 gallons of water are used to produce the average car!
14
The first alarm clock could only ring at 4 a.m.
120
A small airplane can fly backwards.
75
Energy is being wasted if a toaster is left plugged in after use.
21

