Comment on LED's efficiency exceeds 100%parentComments−mvzink14yThey turned heat into light using electricity. That may not be what people were thinking when reading the title/article, but I find this very cool, and I did not previously know it was possible.−ars14yIt's not quite as exciting as you might think.Heat into electricity is easy with a thermocouple. Electricity into light is easy with an LED.And heat into light happens automatically with black body radiation.It's not nothing though - it's pretty neat to use black body radiation to boost existing LED light output.
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They turned heat into light using electricity. That may not be what people were thinking when reading the title/article, but I find this very cool, and I did not previously know it was possible.
It's not quite as exciting as you might think.
Heat into electricity is easy with a thermocouple. Electricity into light is easy with an LED.
And heat into light happens automatically with black body radiation.
It's not nothing though - it's pretty neat to use black body radiation to boost existing LED light output.