Owing to the wave nature of light there are many ways that such different waves can interact with each other, but also with materials. Everyone knows about reflecting light with a mirror, which is a ...

The Federal Communications Commission is weighing whether to grant Reflect Orbital, a startup proposing to bounce sunlight back to Earth after dark, the authority to launch and operate an experimental ...

The Federal Communications Commission is reviewing a proposal from Reflect Orbital, a startup that wants to place ...

The company is seeking F.C.C. approval to test an idea to reflect sunlight to Earth at night, possibly powering solar panels. Critics say it could be bad for people and wildlife.

Light propagation is usually reciprocal meaning that the trajectory of light travelling in one direction is identical from that in the opposite direction. Breaking reciprocity can make light propagate ...

Light collection efficiency is an important factor that affects the performance of many optical and optoelectronic devices. In these devices, the high reflectivity of interfaces can hinder efficient ...

Understand the role of architecture in managing sensory emissions, from light pollution to acoustic comfort, in our evolving ...

Mirrors such as those found in a bathroom tend to be made from a sheet of transparent glass or plastic and a layer of smooth, polished aluminium (or in older mirrors, silver). The reason why light ...

The development of clean and low-cost solar photovoltaic technology is crucial for the global transition toward carbon ...