More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
Sony researchers have developed a refrigerator that only opens when you smile.
9
A small airplane can fly backwards.
75
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
More than a billion transistors are manufactured every second.
-25
The IRS processes more than 2 billion pieces of paper each year.
28
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The life boat was patented in 1845!
29