The only letter not appearing on the Periodic Table is the letter "J".
180
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Sound travels about 4 times faster in water than in air.
408
One barrel of petroleum holds 42 gallons.
20
Most dust particles in your house come from dead skin.
48
A cesium atom in an atomic clock beats over nine billion times a second.
43
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