The first alarm clock could only ring at 4 a.m.
120
Energy is being wasted if a toaster is left plugged in after use.
21
Originally, Nintendo was a playing card manufacturer.
70
In the early 1960's, Porsche commercially manufactured farm tractors.
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
A toaster uses almost half as much energy as a full-sized oven.
33
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
There are only 14 blimps in the world.
69