A high reflectivity mirror, also known as a supermirror, is a dielectric mirror that has been carefully designed to provide optimal reflectivity while minimizing any scatter and absorption effects.

Running after dark can be a safety hazard. According to the National Highway Traffic Safety Administration, over 80 percent of pedestrian traffic fatalities occur at night or in low-light conditions.

Look, we get it. When the dark winter nights roll around, it's difficult to find the motivation to head out for a run or take part in an outdoor workout. For women, there are also a host of safety ...

Running after dark can be a safety hazard. According to the National Highway Traffic Safety Administration, over 80% of pedestrian traffic fatalities occur at night or in low-light conditions. That ...

Engineers at the University of California, Berkeley, have created mirrors that pack the same 99.9% reflectivity as current distributed Bragg reflector (DBR) mirrors, but do so in packages 20 times ...