[ExI] pentagon wants orbiting solar power stations
pharos at gmail.com
Mon Oct 15 17:10:55 UTC 2007
On 10/15/07, John K Clark wrote:
> Yes, and people could ride to work right now on solar electrical scooters,
> but they don't; even in the third world a bicycle is preferred. People will
> never want to ride to work on slow, uncomfortable, inconvenient, and
> dangerous machines unless there was absolutely no alternative. There will
> always be alternatives.
China 'e' bikes silently drive lead demand.
China produced 19 million battery driven bikes in 2006, and that
figure could rise by 30 percent this year, said Zhang Changhai, lead
analyst with metals consultancy Antaike in Beijing.
> It means finding a way to make to make PV panels that are dirt cheap, it
> means PV panels that are so efficient and so durable that they produce
> more energy over their lifetime than it took to make them, and it means
> figuring out what to do at night or on cloudy days. It means your use of
> the word "just" may not be entirely accurate.
Yup. PV panels are still too expensive. But the price is coming down.
And home windmills help too.
(If the neighbours or zoning regs don't complain).
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