[ExI] rebuilding a saturn v today

BillK pharos at gmail.com
Tue Mar 29 20:19:04 UTC 2011

On Tue, Mar 29, 2011 at 6:26 PM, spike  wrote:
> For instance, we send a number of manufacturing robots to an asteroid which
> begin to manufacture reflective light sails, which use photon pressure from
> the sun to return to a medium high near-equatorial earth orbit, perhaps
> 20Mm.  These then steer themselves such that they reflect sunlight down on a
> desert solar farms, in the Mojave and the Sahara for instance, so that these
> places can operate near peak watts always instead of a few hours a day.
> I envision individual reflectors about the size of a dinner plate, 20 to 25
> cm diameter, mass of about a gram, numbering in the quadrillions.
> We don't yet know how to manufacture anything in the quadrillions in any
> human-relevant time scale.  But we have every reason to think such a thing
> is possible.  We can convert the entire asteroid belt into solar energy
> collectors, once we master manufacturing at that scale.


Sounds like a real good death ray weapon for someone.

Best of luck with negotiating that idea into production.


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