Passive device relies on a layer of material that blocks incoming sunlight but lets heat radiate away. Imagine a device that can sit outside under blazing sunlight on a clear day, and withou... Read more
An inexpensive thermoelectric device harnesses the cold of space without active heat input, generating electricity that powers an LED at night, researchers report September 12 in the journal... Read more
Engineers report advancements in radiative cooling in a new study in Nature Sustainability Engineers have designed a new system that can help cool buildings in crowded metropolitan areas wit... Read more
A new rooftop device under development will be able to produce electricity from sunlight while also beaming heat directly into space to cool buildings Stanford electrical engineer Shanhui Fa... Read more
Homes and buildings chilled without air conditioners. Car interiors that don’t heat up in the summer sun. Tapping the frigid expanses of outer space to cool the planet. Science fiction... Read more