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
The ball on top of a flagpole is called a 'truck'.
24
The life boat was patented in 1845!
29
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144