Could they run the chips at "normal" temperatures and then heat pump that all into some other mass that lives at "aerospace alloy" temperatures and radiates it away more efficiently?
I think it's possible, I'm not familiar with what's really been tried but I see that there are some publications on it, for example there's an ESA project under way: https://connectivity.esa.int/archives/projects/heat-pump-cen...
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I think it's possible, I'm not familiar with what's really been tried but I see that there are some publications on it, for example there's an ESA project under way: https://connectivity.esa.int/archives/projects/heat-pump-cen...