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[QUOTE]Originally posted by tropicals redacted: [QB] ^ 'Cheese is cheese' Really? Given your inanities on this site, it's now wonder you come up with such drivel. I told the guy to extrapolate. Something you also failed to do. You might well be able to fly a test solar powered glider around the world, but in terms of speed and cargo capacity, does that mean it performs on a par with a 747? Will there ever be a solar powered 747? Theoretically, you might be able to provide half of Europe's electricity needs from wind turbines...but what are the practicalities? What sort of numbers are we talking of? What sort of production capacity would be needed for producing these numbers? Theoretically, you could provide the earth's electrical needs through solar power by covering just 1% of the earth's surface. Is that total surface (ocean and land mass) or just land mass? Even if it's just land mass, how big is the equivalent of 1% of the worlds land mass as surface area? France and the Iberian peninsula? What are the practicalities around doing this? What production capacity would be required? Think [/QB][/QUOTE]
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