There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
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
Originally, Nintendo was a playing card manufacturer.
70
More than a billion transistors are manufactured every second.
-25
Castor oil is used as a lubricant in jet planes.
-5
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20