An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
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
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
88
More than a billion transistors are manufactured every second.
-25