The first alarm clock could only ring at 4 a.m.
120
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
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
Jumbo jets use 4,000 gallons of fuel to take off.
19