Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Nylon is made from coal and petroleum.
42
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
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
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 zero gravity, a candle's flame is round and blue.
16
Cold water weighs more than hot water.
93
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18