Theoretical model provides fresh route to more efficient cooling using light and heat

As climate change and growing energy demands strain global systems, scientists are increasingly turning to passive cooling technologies--ways to cool objects or spaces without using electricity. One promising method is radiative cooling, which works by reflecting sunlight and releasing heat in the form of infrared radiation into space. But despite its potential, this method is limited by natural laws that cap how much heat can be emitted. Now, a proposed theoretical model has the potential to bo...