Re: On permittivity and permeability


"Timo Nieminen" <uqtniemi@xxxxxxxxxxxxxxxxx> wrote in message
news:20051014045516.L69614@xxxxxxxxxxxxxxxx
| On Thu, 13 Oct 2005, Androcles wrote:
|
| > "Timo Nieminen" <timo@xxxxxxxxxxxxxxxxx> wrote:
| > |
| > | So, what ARE permittivity and permeability all about?
| > |
| > | Consider that the Maxwell equations:
| > |
| > | curl H - dD/dt = J
| > | curl E + dB/dt = 0
| > | div D = rho
| > | div B = 0
| >
| > Where is mu0, epsilon0 in those equations?
|
| They're not.
Good.

| > | contain 4 fields: E, D, B, and H,
| >
| > But there are only 3 fields, gravitism, electrism and magnecity,
|
| Classical electrodynamics only deals with the latter 2.

So you need two equations, the rest are the excrement of the male
bovine.

| Fundamentally, the
| last 2 are the same thing;

Therefore as superfluous as the luminiferous aether to which they refer.
End of discussion, agreement reached.
Androcles.

.

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