In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
German chemists made a replica of a trophy the size of one molecule.
68
A ball of glass will bounce higher than a ball made of rubber.
73
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Most dust particles in your house come from dead skin.
48
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Aluminum used to be more valuable than gold!
84