Energy is being wasted if a toaster is left plugged in after use.
21
There are only 14 blimps in the world.
69
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
88
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
Castor oil is used as a lubricant in jet planes.
-5
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
