[ExI] Wind, solar could provide 99.9% of ALL POWER by 2030

[Mike Dougherty]

On Thu, Jan 17, 2013 at 1:45 PM, John Clark <johnkclark at gmail.com> wrote:
> 4 times as many solar cells as we'd need at peak, a 300,000 watt system
> might do, that's 30,000 square feet of solar cells or a solid square with a
> 173 foot edge. I didn't factor in clouds, I figured you'd want to build it
...
> Incidentally at the latest count there are 1,000,000,000 working cars on
> this planet. I didn't try to calculate how many solar cells you'd need to
> run a blast furnace at a steel mill, or a 747.

I want to see the blueprint for a solar-powered 747.  I imagine it has
a sleek black surface built of solar panels and an impressive array of
carbon nanotubes harnessing about half-a-million pigeons...

... more enginerring?