An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
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
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
About 39,000 gallons of water are used to produce the average car!
14


