Castor oil is used as a lubricant in jet planes.
-5
Car airbags kill 1 person for every 22 lives that they save.
80
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
There are only 14 blimps in the world.
69
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