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Physics Resources on the web

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Thu Nov 02, 2006 12:58 am PostPost subject: Physics Resources on the web
drichardson
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An simple introduction to physics:

UC Berkeley Physics 10
http://video.google.com/videosearch?q=owner%3Aucberkeley+physics+10&page=1&so=2

Motion Mountain: The Free Physics Textbook
http://motionmountain.net


Electricity and Magnetism:

All About Circuits
http://www.allaboutcircuits.com/

Electricity and Magetism: An Online Physics Textbook
http://www.lightandmatter.com/area1book4.html


Last edited by drichardson on Wed Feb 14, 2007 9:58 pm; edited 1 time in total
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Thu Nov 02, 2006 10:28 am PostPost subject:
Nalum
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Thank you for this drichardson
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Mon Nov 06, 2006 1:20 am PostPost subject:
babcat
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The lectures on Google video is very, very good. I enjoyed them.
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Wed Nov 08, 2006 12:03 pm PostPost subject:
avid_engineer
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Thanks drichardson, those berkeley lectures are a really nice resource. I'm currently working through them and would definitely recommend them to others here!
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Thu Nov 09, 2006 7:47 am PostPost subject:
babcat
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The thing that still gets me about those videos is no one has an explanation for what really is magnetic force. For example, spinning electrons in the atoms of a permanent magnet create magnetism. But how does that force travel to interact with another magnet? Also, how does electrostatic force repel another object?

There are many various concerps of the Aether that could at least attempt to answer this. It's a shame that mainstream physics does not try to explain this issue.
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Tue Apr 17, 2007 10:46 pm PostPost subject:
exco
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"It's a shame that mainstream physics does not try to explain this issue."

Indeed it is, but it is not because they are uninterested. It is because they simply haven't solved it yet.

However, the behaviour of magnetic fields is well understood, and inability to explain the fundamental mechanism doesn't preclude efficient designs of motors and transformers for instance.

I have noticed a tendency, particularly in the steorn forum for people to seize on this inability to explain the fundamental mechanism as evidence of total ignorance by scientists and engineers. This is then used to discredit tried and tested properties of magnets, magnetism and the like.

It's a bit like saying because a civil engineer cannot explain gravitational attraction, then he is in no position to criticise a plan to build a motorway bridge out of butter!

It's mildly irritating.
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