Questions about "The High Frontier"
"Damien Valentine" wrote in message
oups.com...
Well, that answers my next question: why, if an SPS works, does it
have to be so big? Many thanks.
SPS that operated at optical frequencies could be much,
much smaller. So SPS proponents should support continued
work on efficient solar-pumped lasers and laser-to-electricity
conversion devices.
Paul
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