A small airplane can fly backwards.
75
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
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
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
Castor oil is used as a lubricant in jet planes.
-5
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46