[FoRK] Are you Malthusiastic? Re: Concrete results
eugen at leitl.org
Tue Jun 18 23:33:14 PDT 2013
On Tue, Jun 18, 2013 at 03:43:35PM -0400, Aaron Burt wrote:
> Well... my engineer buddy is building his third solar-thermal plant at the
> moment. It takes time, and at the moment I suspect that he and his flock
> of physicist-engineer-coders are the only ones in North America who know
> how to build them right. Not that it matters, there aren't that many
> suitable sites for concentrated solar. You need blue sky all year round to
> make that work.
Precisely. It's more of a desert thing.
> Meantime, my brother-in-law manages drivers for one of the main wind-turbine
> trucking companies. Those drivers are elite but few, because the volume of
> work fluctuates so much.
Right now wind deployment in Germany has stalled because it's all
off-shore porkbarrel, and they can't build there because there's
no infrastructure. In general renewable investment in 2012 have
not matched prior year's growth.
> I seem to recall that orbital-to-ground microwave power transmission needs
> so much land that your watts per square meter is down within an order of
> magnitude of PV. I hope I'm wrong.
That's not the real reason why SPS from terrestrial materials is
a wash at best: http://physics.ucsd.edu/do-the-math/2012/03/space-based-solar-power/
Before you have SPS you will have exhausted terrestrial solar
> > Anyway, hopefully you are wrong, but we should act like you are close
> > enough to right and start doing something.
> Thaaat's the spirit!
> It pleases me that most folks appear to be at the point of discussing what
> to do and how much money to spend, rather than arguing over whether there's
> a problem and/or standing in the room shouting, "what elephant?"
Most population is very unlike FoRK. The Nile is a comfortable river to stand in.
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