The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Any modern jet is capable of breaking the sound barrier.
34
Originally, Nintendo was a playing card manufacturer.
70
More than a billion transistors are manufactured every second.
-25
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
Castor oil is used as a lubricant in jet planes.
-5
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4