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A comment on US startup begins producing 40%-efficient thermophotovoltaic cells. Parent comment

Re:US startup begins producing 40%-efficient thermophotovolt... by Dennip on Thursday October 05, 2023 @05:05AM (#37776390)
Isn't the thing running the Voyager space probe one of these? https://en.wikipedia.org/wiki/Voyager_2#Power
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