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Massive stars, like the Pistol Star, one of the most luminous known stars in the Milky Way Galaxy, are the likely sources of the observed gamma-rays from the isotope iron-60, recently discovered by astronomers.Stars like this giant have 80 to 150 times the mass of the Sun and "lifetimes" of about 3 million years. Un... |
26 June 2007
06:27 GMT |
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Curium (Cm) is a strange element, a heavy actinide that behaves strangely under extreme pressure. Now, a new study provides a better understanding of how the crystal structure of some metals becomes stable through magnetism.It's a synthetic radioactive metallic transuranic element of the actinide series, produc... |
7 June 2007
05:14 GMT |
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A team of physicists and engineers are working on a new laser-like X-ray source that will be powerful enough to effectively take snapshots of the atomic world, which moves at extremely high speeds. The research is funded by the US Department of Defense and aims to improve attosecond sources and exploit the technolog... |
22 May 2007
05:42 GMT |
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Mechanoluminescence is the process of light generation through mechanical forces and it usually happens in crystalline structures, such as sugar or quartz. It can be produced through ultrasound, caused by stress that results in the formation of fractures or simply by rubbing, grinding or cleaving a solid.Sir Franci... |
9 May 2007
16:31 GMT |
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