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 ...

Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an710061, China Institute of Medical Engineering, Translational Medicine Institute, ...

We may receive a commission on purchases made from links. Though the meaning of smart home varies depending on who you ask, with so many useful smart sensors for your home, if your home isn't smart, ...

Consensus Statement provides unified framework for characterising, reporting, and benchmarking emerging light-sensing technologies A team of experts from academia and industry has joined forces in a ...

A global team of experts from academia and industry has joined forces in a landmark ‘Consensus Statement’ on next-generation photodetectors based on emerging light-responsive materials, which could ...

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, ...

When you're boarding a plane or going somewhere where your phone's wireless signals need to be completely disabled, there's a single toggle to make this faster and easier — airplane mode. It turns off ...

While there are lots of associated marketing terms, nearly every TV today is either LCD or OLED. LCD TVs are also called LEDs, QLED TVs or even mini-LED, but the core technology is LCD -- which stands ...

If you’re counting calories, but don’t want to completely give up drinking, a light beer isn’t a bad choice, but don’t think they’re all the same. Some brands cut corners and rely on low-quality ...

The visible patterns produced by the time crystals could be used for data storage and anti-counterfeiting designs. When you purchase through links on our site, we may earn an affiliate commission.