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 first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Energy is being wasted if a toaster is left plugged in after use.
21
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
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Any modern jet is capable of breaking the sound barrier.
34
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4