Solar collectors in space could finally solve Earth's energy problem

The Japan Space Agency, along with Mitsubishi Electric Corp. and IHI Corp., are getting even closer to next big thing: harnessing the power of the sun with a solar collector in geostationary orbit. Now there's cold hard cash involved. The plan is to drop $21 billion into a solar power generator that beams electricity to Earth via microwaves. The 1-gigawatt solar station will gather sunlight with a gigantic array of solar panels that is 4 square kilometers big. [Read more...]