Streetlights keep us safe at night but also contribute to global carbon emissions. Lighting accounts for 20% of the world's electricity consumption and nearly 6% of greenhouse gas emissions. Now, ...

Normally, an object in thermal equilibrium with its environment emits and absorbs thermal radiation at the same rate (left). But researchers have developed a multilayer material (right) that, when ...

Under the JST Strategic Basic Research Program PRESTO, Associate Professor Ayumi Ishii of Teikyo University of Science with her team members has developed a new near-infrared light sensor by using a ...