Solar power is already recognized as one of the cleanest energy sources currently available; however, solar panels still have several economic and practical limitations. Fortunately, scientists are already working on another method of drawing power from the sun: solar wind. Not exactly a wind as we know it, solar wind is more like a constant flow of accelerated particles, which could be used to generate energy using a sail made of copper.
The earth does not receive this flow directly thanks to our atmosphere, so the power generator would need to be placed in space. This might be difficult, but it is nothing compared to the biggest issue of this technology – how to send the generated power back to earth. The best idea so far has been to send it with a laser beam.
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