A cesium atom in an atomic clock beats over nine billion times a second.
43
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
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
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Sound at the right vibration can bore holes through a solid object.
134
The sun is 330,330 times larger than the earth.
75