A website touting the Sylvania SilverStar headlight bulb says it provides "up to 30 percent" greater visibility down the road. That sounds impressive until you read the fine print: "compared with ...

We tested both types of bulbs with the help of Philips and its light tunnel in Aachen, Germany, monitored remotely. All bulbs were burnt in to stabilise output before being tested. The bird’s ...

Or, did we not know enough about LED aging to predict the true useful life of a bulb? I put these questions to the test. Join me after the break for some background on the light bulb cartel from ...

It is your responsibility to nominate suitable referees who will be willing to provide a reference in support of your application, and to ensure that we receive a reference from each of the referees ...

As the nights grow longer, we should all check our headlights; even if they still work, they dim over time. Plus, you could switch to upgraded bulbs, which claim to give up to 120 per cent more ...

The way light touches a room, with a warm glow or a sharp, white brightness, can transform its aesthetics. That’s where LED bulbs come in, helping to set the tone of each room. For example ...

A broken light bulb can be dangerous in many ways, but it doesn't have to be if you use our tips for removing one. Taylor Martin CNET Contributor Taylor Martin has covered technology online for ...

They’re also great for Christmas. Best cheap, cross-platform smart light The Fitop Wi-Fi Smart Bulb (buy now) is an affordable colour changing bulbs work with Alexa, Google and Siri. Best Apple Homkit ...

If so, replacing all those lights with smart light bulbs can get expensive quickly. A cheaper way is to install a smart light switch, which lets you control all the lights from one spot.

In the fast-light regime, around ω 1, the gradient is steep, so the change of k (Δk fast) with n is small, whereas in the slow-light regime, which has a shallow gradient, around ω 2, a large ...

New research could help ... A Trick of Light: Researchers Turn Silicon Into Direct Bandgap Semiconductor Oct. 31, 2024 — Researchers have come up with a way to turn silicon into a direct bandgap ...