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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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What is it? Set 242
Martin H. Eastburn @ home at Lions' Lair with our computer lionslair at consolidated dot net TSRA, Endowed; NRA LOH & Patron Member, Golden Eagle, Patriot's Medal. NRA Second Amendment Task Force Charter Founder IHMSA and NRA Metallic Silhouette maker & member. http://lufkinced.com/ Joseph Gwinn wrote: In article , "J. Clarke" wrote: Martin H. Eastburn wrote: One of the issues that are forgotten is there are other fields than electro-magnetic-Field. IEEE looked at a study and mused the issue was really the Magnetic field that is 90 degrees out of phase (not in time) than that of the electro-magnetic. The "magnetic field" _is_ electro-magnetic. There's no need for a "study" for any electrical engineer to tell you that the magnetic field is 90 degrees out of phase with the electric field--this is something that you learn in your first electrical engineering course. But both the electric and the magnetic field are electro-magnetic. Yes. Engineers and Physicians know that. But testing only one form and not both is where the study went wrong. Instruments typically work in the magnetic or electric field and not both. And health studies did only electric field studies as they did on high voltage power lines that burn the grass off the ground beneath. Martin The only "fields" known to physics that are not electromagnetic are gravitation and the strong nuclear force. If you read an older physics text you'll find mention of a "weak nuclear" field--more recent ones will tell you that the weak nuclear interaction is also electromagnetic. The weak force is not electromagnetic. It is an aspect of the electroweak field. Another aspect is the electromagnetic field. Unification (where the two field can no longer be distinguished) happens only at hideous energy levels. http://physics.nmt.edu/~raymond/classes/ph13xbook/node211.html http://en.wikipedia.org/wiki/Electroweak_interaction Joe Gwinn ----== Posted via Pronews.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.pronews.com The #1 Newsgroup Service in the World! 100,000 Newsgroups ---= - Total Privacy via Encryption =--- |
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