The cigarette lighter was invented before the match.
210
The first alarm clock could only ring at 4 a.m.
120
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Energy is being wasted if a toaster is left plugged in after use.
21
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Kleenex tissues were originally used as filters in gas masks.
46
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47