Sound travels fifteen times faster through steel than through air.
134
The force of a suction cup is calculated using F=AP.
15
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Aluminum used to be more valuable than gold!
84
The bark of an older redwood tree is fireproof.
65
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71