A small airplane can fly backwards.
75
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
The electric chair was invented by a dentist!
122
The ball on top of a flagpole is called a 'truck'.
24
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The United States produces enough plastic film annually to cover the entire state of Texas.
13
Jumbo jets use 4,000 gallons of fuel to take off.
19
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