Originally, BMW was an airplane engine manufacturer.
69
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 ball on top of a flagpole is called a 'truck'.
24
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
The United States produces enough plastic film annually to cover the entire state of Texas.
13
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
The electric chair was invented by a dentist!
122