I’ve been reviewing smart lighting for years. Here are tips on how to prep, what to choose, and the smart lights that work ...

Scientists have created a soft wireless implant that uses tiny flashes of light to send information straight into the brain, ...

Photoplethysmography (PPG) is an optical sensing technique that measures blood volume changes and underpins devices ranging ...

Laptops forever changed where and how we work, and as great as they are at giving us that freedom, it’s still incredibly useful to plug into a larger monitor (or two) when at my desk. As I get older ...

Researchers from the University of Oxford have for the first time discovered an approach to electrically switch organic LEDs (OLEDs) to emit either left- or right-handed circularly polarized light ...

Cycad cones aren’t always hot. Instead, they follow daily cycles of heating and cooling: Pollen-laden male cones produce a big burst of heat in the late afternoon, and then ovulating female cones warm ...

Posts from this topic will be added to your daily email digest and your homepage feed. A single battery can power the MS605 mmWave radar presence sensor for up to three years. A single battery can ...

You can store your messages for free, but you’ll need to pay $1.99 per month if you want to save more than 45 days’ worth of media. You can store your messages for free, but you’ll need to pay $1.99 ...

As it heads out of the solar system never to return, the deep space probe Voyager 1 is headed for yet another cosmic milestone. In late 2026, it will become the first spacecraft to travel so far that ...

Today's autonomous vehicles rely on cameras, radar and LiDAR sensors to understand their surroundings and avoid obstacles on the road. Boston, Massachusetts-based startup Teradar believes it can beat ...

In 1845, physicist Michael Faraday provided the first direct evidence that electromagnetism and light are related. Now, it turns out that this connection is even stronger than Faraday imagined. In his ...

Encrypted messaging platform Signal now offers secure backups on iPhone, letting users save and restore messages if they lose access to their device. There are free and paid versions of Signal's ...