The whole article acts like we have never discovered thermocouples: http://en.wi... | Hacker News

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SigmundA on June 23, 2011 | parent | context | favorite | on: New multiferroic alloy turns waste heat into green...

The whole article acts like we have never discovered thermocouples: http://en.wikipedia.org/wiki/Thermocouple

I mean the voyager spacecraft are powered by them: http://en.wikipedia.org/wiki/Radioisotope_thermoelectric_gen...

Along with many gas appliances with pilot lights.

sliverstorm on June 23, 2011 [–]

It could get away with pretending we hadn't- if the efficiency was leaps and bounds greater.

Or rather, if they even bothered to comment on efficiency at all.

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