The ball on top of a flagpole is called a 'truck'.
24
Castor oil is used as a lubricant in jet planes.
-5
Energy is being wasted if a toaster is left plugged in after use.
21
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
A small airplane can fly backwards.
75
About 39,000 gallons of water are used to produce the average car!
14

