Too bad, solar cell don't like much radiation. Add shielding and all mass benefi... | Hacker News

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		baybal2 on July 29, 2019 \| parent \| context \| favorite \| on: Drones will fly for days with new photovoltaic eng... Too bad, solar cell don't like much radiation. Add shielding and all mass benefit will be negated.

radarsat1 on July 29, 2019 [–]

What about collecting the "waste" IR emissions from the heated water vapor?

baybal2 on July 30, 2019 | [–]

No, the whole trick with thermal PV is that you harvest the entire range from thermal infrared to near. A vapour will only glow so so in lower reaches of thermal IR range.

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