An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
There are only 14 blimps in the world.
69
Whale oil was used in automobile transmissions as late as 1973.
56
Mico headphones read your brainwaves and select music based on your state of mind.
7
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
The life boat was patented in 1845!
29
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250