First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
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
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Castor oil is used as a lubricant in jet planes.
-5
Energy is being wasted if a toaster is left plugged in after use.
21