A reflection-based solar cell design inspired by periscopes achieves near-complete visible transparency and record light ...

As cities grow and energy use climbs, the need for smarter buildings becomes urgent. Nearly half of a building’s energy goes toward heating or cooling. A big part of that heat comes through windows, ...

After the summer so much of the world has sweltered through this year, better ways to cool buildings are on a lot of people’s minds. Researchers in China have now spruced up the humble window with ...