4.5 pounds of sunlight strike the Earth each day.
27
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The force of a suction cup is calculated using F=AP.
15
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The only letter not appearing on the Periodic Table is the letter "J".
180
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The average temperature at 40,000 feet above sea level is -60 F.
56