Re: beanstalks (was Re: Metallic hydrogen ...)
From: Charles Buckley (rijrunner_at_frii.com)
Date: 06/08/04
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Date: Tue, 08 Jun 2004 11:04:57 -0600
Andrew Nowicki wrote:
> Vincent Cate wrote:
>
>
>>About 48 years ago they discovered "graphite whiskers"
>>with a tensile strength of 20 Gpa.
>
>
> Tensile strength of alumina whiskers is 42.7 GPa.
>
> PS. This thread stinks! Even if cheap, long
> buckytubes are available, beanstalks/skyhooks
> will not be made for security reasons -- they
> are too easy to destroy.
BTW, that is one of the major arguments put forward
to stop construction of the Chunnel.
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