The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Energy is being wasted if a toaster is left plugged in after use.
21
Originally, Nintendo was a playing card manufacturer.
70
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Whale oil was used in automobile transmissions as late as 1973.
56
A small airplane can fly backwards.
75
