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Re: Science fiction or a wrong model again.
From
: "John S. Denker" <
jsd@MONMOUTH.COM
>
Date
: Tue, 8 Jan 2002 16:28:41 -0500
At 01:06 PM 1/8/02 -0800, Bernard Cleyet wrote:
I thought the best superconductor was a vacuum (no crit. B, etc.)
Huh?
I don't see the slightest similarity between a vacuum and
a superconductor. How, for instance, would you set up
a persistent current?
And what means "no crit B"? Does that mean zero critical
field (i.e. not a superconductor at all) or does it mean
infinite critical field?
A vacuum is in some respects a pretty good _semi_conductor, but
that's a horse of a different color entirely.
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