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Witchcraft or black magic? 200% efficiency???
I think I get it though (at least enough not to go looking for a torch and pitchfork). Normally we see heat emission as 'bad' or waste, but heat's just an IR photon, right? So this is just a visible photon instead, and since that is more useful to us it is 'good'? Something like that?
Still sounds like witchcraft...
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Because titanium.
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