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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Rather interesting...Spanish scientists develope Terminator Plastic
http://www.breitbart.com/system/wire...13-192726-9432
Spanish scientists create self-healing 'Terminator' plastic UPI 9/14/2013 12:05:30 AM LONDON, Sept. 13 (UPI) -- Spanish scientists are reporting the world's first self-healing polymer that spontaneously and independently repairs itself without any intervention. The new material, dubbed a "Terminator" polymer in tribute to the shape-shifting, molten T-100 terminator robot from the "Terminator 2" film, could be used to improve the security and lifetime of plastic parts in everyday products such as electrical components, cars and even houses, the researchers wrote in the Materials Horizons journal of Britain's Royal Society of Chemistry. It is the first self-healing polymer that can spontaneously achieve quantitative healing in the absence of a catalyst, they said, and after being cut in two and the pieces pressed together, a sample displayed an impressive 97 per cent healing efficiency in just two hours, being unbreakable when stretched manually. The self-healing thermoset elastomers were created from common polymeric starting materials using a simple and inexpensive approach, the researchers reported. "The fact that poly(urea-urethane)s with similar chemical composition and mechanical properties are already used in a wide range of commercial products makes this system very attractive for a fast and easy implementation in real industrial applications," they said. "The socialist movement takes great pains to circulate frequently new labels for its ideally constructed state. Each worn-out label is replaced by another which raises hopes of an ultimate solution of the insoluble basic problem of Socialism, until it becomes obvious that nothing has been changed but the name. The most recent slogan is "State Capitalism."[Fascism] It is not commonly realized that this covers nothing more than what used to be called Planned Economy and State Socialism, and that State Capitalism, Planned Economy, and State Socialism diverge only in non-essentials from the "classic" ideal of egalitarian Socialism. - Ludwig von Mises (1922) |
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