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Re: [Phys-l] EM, is it energy

From: carmelo@pacific.net.sg
Date: Mon, 26 Nov 2007 09:14:10 +0800

Perhaps this could also be attributed to BBC News?
http://news.bbc.co.uk/1/hi/sci/tech/1702259.stm

What are electromagnetic waves?

An electromagnetic wave is energy that consists of related magnetism and electricity.

An electromagnetic wave can be thought of as an oscillating electric force travelling through space accompanied by an oscillating magnetic force in a plane at right angles to it.

Alphonsus

Quoting Craig & Margaret Lucanus <lucanus@iinet.net.au>:

Hi List,
In discussion with my students about different forms of energy , a student
asked whether light (EM) is a form of energy at all, or whether it is really
just a mode of transmission of potential energy. This was a good question,
with the ensuing debate entertaining the class. Heck, what is light?

Follow-Ups:
- Re: [Phys-l] EM, is it energy
  - From: "LaMontagne, Bob" <RLAMONT@providence.edu>

References:
- [Phys-l] Psychologists Respond to the "Failure of Constructivist, Discovery, Problem-Based, Experiential, and Inquiry-Based Teaching"
  - From: Richard Hake <rrhake@earthlink.net>
- [Phys-l] Vary-One-Variable Protocols (was Psychologists Respond etc...)
  - From: Brian Whatcott <betwys1@sbcglobal.net>
- [Phys-l] COLD FUSION
  - From: Ludwik Kowalski <kowalskil@mail.montclair.edu>
- [Phys-l] EM, is it energy
  - From: "Craig & Margaret Lucanus" <lucanus@iinet.net.au>

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