Govee's Permanent Outdoor Lights Prism packs three independent LEDs in each puck, and each LED can produce red, green, blue, ...

A fire at sea is among a sailor’s worst fears. In the era of wooden shops, where candles and oil lamps were the only sources of illumination, the chance of such a catastrophe was an ever-present ...

Understanding firefly scales as tiny prisms that change the way light impinges on an interface and creates new sharp-edged channels through which light can diffuse lets us make LEDs more efficient.

I TOOK advantage of a recent opportunity to make some observations on polarisation of the diffused light in sea-water, using a detector consisting of four quartz prisms made up on the De Senarmont ...