IKEA has launched its Kajplats range of Matter-compatible smart bulbs in the US. The smart bulbs offer multiple brightness levels, white and color lighting options, and starter kits. They are designed ...

If you think life always feels just a little bit easier in the spring and summer, you’re onto something. Natural light from the sun offers a range of physical, mental and behavioral benefits — which ...

Controlling light with light is a long-sought goal for computing and communication technologies. Achieving this capability would allow optical signals to be processed without converting them into ...

We asked experts about why our LED bulbs seem to die ahead of time. Here are the reasons they gave. Tyler has worked on, lived with and tested all types of smart home and security technology for over ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Annemarie Conte Annemarie Conte writes the Ask Wirecutter column, ...

Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

Prof. Juejun Hu is recognized as a leading expert in integrated photonics and optical materials. His pioneering research has not only advanced the frontiers of academia but also made significant ...

Blue light glasses may help prevent insomnia by blocking blue light that interferes with sleep. Research is mixed on whether blue light glasses effectively reduce eye strain. To reduce eye strain, ...