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
The life boat was patented in 1845!
29
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
Kleenex tissues were originally used as filters in gas masks.
46
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
Attics were invented in Attica.
43