Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Cold water weighs more than hot water.
93
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
If the chemical sodium is dropped into water it will immediately and violently explode.
67