Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The sun is 330,330 times larger than the earth.
75
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20