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Re: How to harvest solar power? Beam it down from space!
Why would you need a huge Satellite?
Why not a huge space based parabolic mirror, made from say aluminium foil which would reflect a focused beam of sunlight (or more likely sunlight converted to microwave energy) to ground based collectors?
You would probably need several ground based tracking stations / collectors at strategic points around the globe to account for the earths rotation but it would be cheaper than putting the whole caboodle in space.
You would need a serious no fly zone around it and some bird fanciers might get a bit twitchy and you would probably also need some studies on the effects of Microwave energy on the ozone layer too but this would seem a smarter approach.
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