Many people have heard about the phrase "absolute zero," not many know what it really implies, and fewer have asked themselves the question "what happens below absolute zero?" Are there upper and lower limits to temperature?Absolute zero is known to be 0 K (-273.15 °C, -459.67 °F) and it's used to describe a th... |
18 June 2007
12:55 GMT |
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What does an electron look like? Is it round, is it a cube, or what? So far, no one has been able to see an electron directly, because photons from a beam of light directed at the electron alter the position of the electron, so they can't bounce back into the eye to form an image. The electron is a fundamental ... |
7 June 2007
04:20 GMT |
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A group of researchers have recently announced the creation of a completely new state of matter that combines the characteristics of lasers with those of the world's best electrical conductors. They successfully demonstrated the existence of the phase, besides the previously known ones: solids, liquids, gases, ... |
21 May 2007
12:06 GMT |
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