6/3/2004 12:39:47 PM|||Mike|||Spammers have been including some odd paragraphs in order to fool the filters. Most of the time, the paragraphs are random, so that the spam filters can't just look for a particular text. I don't think the following is random:
For sustained, controlled fusion reactions, a fission bomb obviously cannot be used to trigger the reaction. The difficulties of controlled fusion center on the containment of the nuclear fuel at the extremely high temperatures necessary for fusion for a time long enough to allow the reaction to take place. For deuterium-tritium fusion, this time is about 0.1 sec. At such temperatures the fuel is no longer in one of the ordinary states of matter but is instead a plasma , consisting of a mixture of electrons and charged atoms. Obviously, no solid container could hold such a hot mixture; therefore, containment attempts have been based on the electrical and magnetic properties of a plasma, using magnetic fields to form a Âmagnetic bottle. Another method has used laser beams aimed at tiny pellets of fusion fuel.
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