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
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Attics were invented in Attica.
43
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
Car airbags kill 1 person for every 22 lives that they save.
80