The cigarette lighter was invented before the match.
210
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
More than a billion transistors are manufactured every second.
-25
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
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
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