Re: Classical EM Wave Propagation, attn: Androcles




Androcles wrote:
> "sue jahn" <suzysewnshow> wrote in message
> news:op.sxtzhnnc1v3b7x@xxxxxxxxxxxxxxxxxxxxxx
> | A. Length of arrows is constant. cos^2+sin^2 = 1. Energy is conserved.
> | It flips from moving mass to compressed/stretched spring and back
> again,
> | from E-field to B-field and back again.
> |
> | S. There is no energy to conserve 'till you intercept the wave
> | with some matter.
>
> You are confusing "CONserve" with "OBserve".

No I am not. A voltage or potential without any current
flowing, has no power or energy to account for.
http://hyperphysics.phy-astr.gsu.edu/hbase/electric/elepow.html

Do you have some way to measure current that doesn't involve
the movement of a charge?


>
> Conservation:
> 2 : the preservation of a physical quantity during transformations or
> reactions
>
> Observation:
> 2 a : an act of recognizing and noting a fact or occurrence often
> involving measurement with instruments


>
>
> The structure of that matter will determine the
> | near-field E/H ratios. AE didn't mention, (or didn't know) that his
> | moving *observers* have an aperture of about 1/2 wavelength.
> |
> | http://www.conformity.com/0102reflectionsfig3.gif
> |
> | > One hand clap sideways, other hand clap up-down makee
> plopagationnoisee.
> |
> |
> | S.Nope. This way:
> |
> http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/light/EBlight/E...
> |
> | A. Definitely and emphatically NOT. Energy zero, created from nothing?
> | Sorry, you can NOT have a null B-field and a null E-field at the same
> | time, which is what that diagram shows.
> |
> | S. It happens on the

Sue...
>
> Androcles.

.



Relevant Pages