Jnoper t1_ixpcw1o wrote
Reply to comment by darkshark9 in China’s space station will run high-energy beam experiment for controversial solar power plant: chief scientist by Soupjoe5
Now imagine they focus that beam to say 5ft. What’s stopping them from adding a mirror?
darkshark9 t1_ixpdogw wrote
The laws of physics won't let us focus a beam that tightly over that distance due to its diffraction limit.
Shine a laser at the moon and the beam spot is like 50km wide by the time it reaches it.
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