[AMPS] ponder this

[Chris Pedder]

At 17:18 22/05/98 -0600, John wrote:
>
>
>G3SEK said:
>
>>Brilliant! All that engineering information *and* a brand-new word,
>>"ponderomotive".
>>Thank you for the extended abstract, John.
>>Please could you e-mail the fullest possible reference to the paper? One
>>of us over here might be able to dig up a copy too.
>
>Yes, Pondermotive probably went away a long time ago, maybe similar to
>electromotive? It came from the European pub, Philips Technical Review,
>Vol.6, No.7, page 208-214, dated July, 1941. The author is J. P. Heyboer.
>
>John
>K5PRO
>
The Oxford English Dictionary lists the following quotations (as well as older ones):

"1964 R. R. Birss Electr. & Magnetic Forces i. 1 Ponderomotive forces are also exerted on dielectric bodies in electric fields.

1964 S. K. Runcorn in A. E. M. Nairn Probl. Palaeoclimatol. 192 The varying fields generated in the core_will also generate induced currents in the mantle, and the ponderomotive forces resulting from these will cause angular acceleration and deceleration of the mantle on time-scales of 100 years.

1978 Nature 23 Mar. 316/2 In this case, ponderomotive forces were used to overcome the power barrier."

Guess it's still about!

73,

Chris

________________________________________

Chris Pedder     G3VBL/8P9EM
E-mail           g3vbl@netcomuk.co.uk
AX25-mail        g3vbl@gb7bnm.#45.gbr.eu
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