Photoplethysmography (PPG) is an optical sensing technique that measures blood volume changes and underpins devices ranging from hospital-grade pulse oximeters to consumer wearables that track heart ...

IKEA has launched its new Gömpyssling LED light with sensor. It's a motion-activated light which automatically switches on when you open a cupboard or step into a space, then turns itself off after ...

Nanoleaf execs have long teased the idea of smart lights that are “actually smart” rather than just “a glorified remote control,” and at CES in Las Vegas this week, the company is finally putting its ...

Presence/motion sensors are one of the best ways to make automations feel more natural, but most of them run on batteries and eventually have to be swapped. That’s one of the main reasons I really ...

Scientists have developed a fully transparent skin sensor that accurately measures UV radiation, detecting light and converting it to electrical signals. So when the Sun's rays reach damaging levels, ...

Epson has launched a series of 4K and 1080p projectors called Lifestudio, which range in price between $680 and $2,700, and feature a new 3LCD light engine. These lifestyle projectors are mostly for ...

Both LCD TVs and LED TVs have been on the market for many years. TV-size LCDs gained popularity in the mid-2000s, while LED TVs followed a few years later. The marketing departments for many companies ...

New York isn’t bringing LCD Soundsystem down anymore. The band is returning to the Big Apple for their fifth official New York City residency. (Well, fourth and a half, if you count the truncated 2021 ...

Contrary to popular belief, most property crimes—including burglaries and package theft—happen during the day, not under cover of darkness. But night still brings unique challenges: fewer people ...

UC Riverside researchers have unveiled a powerful new imaging technique that exposes how cutting-edge materials used in solar panels and light sensors convert light into electricity—offering a path to ...

We may receive a commission on purchases made from links. Since it would be challenging to find all the different types of sensors in one place, we decided to put together a list of some of the best ...

The Insta360 X5 ($550) is the company’s latest 8K 360 action camera and, while it remains a different proposition to traditional action cams, it is more powerful, more reliable and easier to use. The ...