Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Castor oil is used as a lubricant in jet planes.
-5
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