Sound travels fifteen times faster through steel than through air.
134
Pumice is the only rock that floats on water.
14
Liquid TIDE laundry detergent glows under a blacklight.
96
Aluminum used to be more valuable than gold!
84
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
One cubic foot of gold weighs more than 1,200 pounds!
78
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5