A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Kleenex tissues were originally used as filters in gas masks.
46
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
More than a billion transistors are manufactured every second.
-25
The first alarm clock could only ring at 4 a.m.
120
Sony researchers have developed a refrigerator that only opens when you smile.
9
Any modern jet is capable of breaking the sound barrier.
34
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25