The cigarette lighter was invented before the match.
210
Energy is being wasted if a toaster is left plugged in after use.
21
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
About 39,000 gallons of water are used to produce the average car!
14
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93