An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23
The first alarm clock could only ring at 4 a.m.
120
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
Energy is being wasted if a toaster is left plugged in after use.
21