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
There are only 14 blimps in the world.
69
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
The electric chair was invented by a dentist!
122
Kleenex tissues were originally used as filters in gas masks.
46
The first alarm clock could only ring at 4 a.m.
120