A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
The cigarette lighter was invented before the match.
210
More than a billion transistors are manufactured every second.
-25
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
88
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
Castor oil is used as a lubricant in jet planes.
-5
The IRS processes more than 2 billion pieces of paper each year.
28
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47