In zero gravity, a candle's flame is round and blue.
16
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
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 coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The force of a suction cup is calculated using F=AP.
15