The Pure Smart A19F Tunable White Filament looks like a classic incandescent bulb, but it’s a Wi-Fi LED bulb with an ...

If your goal is to create natural colors and ‘pure’ white elements, you need a supporting tool, such as a grey card. These have an 18 per cent gray tone and come in handy credit card sizes.

So, in addition to blending the colors to achieve a 16-million-color palette, they can also produce pure white light (without a white diode, the red, green, ...

From repairing damaged retinas in the human eye to burning precision holes in industrial diamonds, the list of uses for laser light has grown steadily since the fierce, pure beams were first ...