The first alarm clock could only ring at 4 a.m.
120
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
In the early 1960's, Porsche commercially manufactured farm tractors.
24
More than a billion transistors are manufactured every second.
-25
The IRS processes more than 2 billion pieces of paper each year.
28
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
About 39,000 gallons of water are used to produce the average car!
14
Castor oil is used as a lubricant in jet planes.
-5