alt Hacker NewsIt's quite literally a second order effect. The first order effect is light generation, and a consequence of that effect is heat generation via light absorption.
It's quite literally a second order effect. The first order effect is light generation, and a consequence of that effect is heat generation via light absorption.
Depends on where you want to draw the lines. Heating the room and emitting light could both be a second-order effect if you want to say that the first order is heating up the actual heater.