Comment There's a couple of problems... (Score 1) 226
2. Imagine China could get this to work, there's so much lost in the down link due to the atmosphere you'd need a REALLY powerful microwave emitter or laser, at which point you've now got a death ray in orbit. There are pretty strict rules about NOT militarizing space and nobody would be cool with a country having their own personal death star in orbit.
3. If instead they decided to use low power, the collector on the ground would have to be so massive, it would have been cheaper to just invest that money into getting fusion to actually work.