Energy is being wasted if a toaster is left plugged in after use.
21
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The ball on top of a flagpole is called a 'truck'.
24
A small airplane can fly backwards.
75
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The IRS processes more than 2 billion pieces of paper each year.
28

