well, TBH, I used the term 'starship tech' as a bit of snark. i mean , we probably could go and terraform mars before 50 years are up, but that isn't gonna save planet earth.
Ocean Geothermal and SPS are both viable systems - but the ability to deliver the gigawattage needed to replace Oil and coal? I am not sure.
sure, cheap oil has been holding back R&D, and we can expect that to stop. however, we use gigawatts, and need to scale back. Even in europe, never mind the USA.
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i mean , we probably could go and terraform mars before 50 years are up, but that isn't gonna save planet earth.
Ocean Geothermal and SPS are both viable systems - but the ability to deliver the gigawattage needed to replace Oil and coal? I am not sure.
sure, cheap oil has been holding back R&D, and we can expect that to stop.
however, we use gigawatts, and need to scale back. Even in europe, never mind the USA.