Left and right circularly polarized light, where the electromagnetic waves spiral in a clockwise and counterclockwise manner as they travel, plays a crucial role in a wide range of applications ...

Even if you don’t read in bed, a bedside lamp should have the amorphous aesthetic quality of being a good “last light on” — the final light you turn off before going to sleep, a starring ...

Many invertebrates are able to distinguish the plane of polarized light. Does this enable them to see further underwater? Experiments carried out in Malta show that the ability to analyse the ...

A traditional Edison lamp works ... when the light is passed through a prism, a rainbow of different photons can be seen. Usually, photons from a blackbody source are randomly polarized, meaning ...

Expert analysis of the available SAD lamp research to evaluate if they really work and what you need to know before buying. SAD lamps produce a cool-white light that mimics daylight. Brightness levels ...