In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
A ball of glass will bounce higher than a ball made of rubber.
73
Sound travels fifteen times faster through steel than through air.
134
Balsa wood is classified as a hard wood!
41
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
No matter how cold it gets, gasoline will not freeze.
107
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