An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The electric chair was invented by a dentist!
122
A small airplane can fly backwards.
75
The United States produces enough plastic film annually to cover the entire state of Texas.
13
A Citreon 2CV with an oil leak once travelled 500 miles through Italy after its gearbox was filled with bananas!
16
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250