[ExI] Luna Ring Solar Power

Ben bbenzai at yahoo.com
Sat Nov 30 12:06:05 UTC 2013


Anders Sandberg<anders at aleph.se>  wrote:

On 30/11/2013 11:35, extropy-chat-request at lists.extropy.org wrote:
> Anders Sandberg<anders at aleph.se>
> To:extropy-chat at lists.extropy.org
> Subject: Re: [ExI] Luna Ring Solar Power
> Message-ID:<5299CD65.9010904 at aleph.se>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> On 2013-11-30 10:56, Ben wrote:
>> >http://www.shimz.co.jp/english/theme/dream/lunaring.html
>> >
>> >Any observations on this?  Better/worse than solar power satellites?
> Same problem with voltage conversion as Elon Musk felt made SPS too
> inefficient, much longer transmission distance, not geostationary, and
> also requires getting building material far beyond geostationary orbit.
>
> The fundamental security problem is that either the beams are weak
> enough that they are no weapons of mass destruction, and then the
> rectennas are just like much better solar collectors of the same size.
> Or the beams have real oomph, and now you have an orbital death ray
> which means geopolitics gets tricky.
>
> Still, robotic factories on the moon are always robotic factories on the
> moon. The project would both force and enable proper space colonisation.

It's that last thing that is probably the important one in the short-term.  Get a population of robots up there first, then people will start to realise all the cool things that we can do with them, including saving our entire civilisation from collapse.




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