An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The life boat was patented in 1845!
29
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Energy is being wasted if a toaster is left plugged in after use.
21
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308


