The cigarette lighter was invented before the match.
210
A small airplane can fly backwards.
75
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
The electric chair was invented by a dentist!
122
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
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144