A cesium atom in an atomic clock beats over nine billion times a second.
43
Balsa wood is classified as a hard wood!
41
The only letter not appearing on the Periodic Table is the letter "J".
180
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Nylon is made from coal and petroleum.
42
The average temperature at 40,000 feet above sea level is -60 F.
56
Diamonds can be shattered with a hammer.
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