Solar Energy Gets A Golden Sandwich

A new photoelectrode can harvest 85 percent of visible light in a 30 nanometers-thin semiconductor layer between gold layers, converting light energy 11 times more efficiently than previous methods, another step on the road to turning solar power from an e ...

Article - News Staff - Sep 10 2018 - 12:07pm

Make Iridescent Color From Clear Drops Using Only Light- No Inks Or Dyes Needed

Even if you are obsessed with "natural" things, the awesome power of physics can still help you make fun colors. It's all thanks to “structural color,” the ability of an object to generate color simply by the way light interacts with its geo ...

Article - News Staff - Feb 28 2019 - 11:33am

No Isolator Needed: Space-Time Metasurface Makes Light Reflect Only In One Direction

Light propagation usually goes both ways; it is reciprocal in that the trajectory of light traveling one direction is identical in the opposite direction. Isolators and circulators, which make light propagate only in one direction, are vital building block ...

Article - News Staff - Dec 21 2019 - 10:47am