Fast-forward a decade, and the world of 3D printing has evolved tremendously. Printers are faster, smarter, and more refined.

Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

Color-changing sensors can monitor health in both houseplants and crops, helping small farms respond to stress by Erin Kayata, Northeastern University edited by Lisa Lock, reviewed by Robert Egan ...

Not all poisonous gases have a smell or a color. But a tiny grid of pastel- and candy-colored squares that effectively "sniffs" out hazardous chemicals in the air such as chlorosarin—a highly ...

Don't limit yourself to black and white. Today's innovations enable modern home security cameras to capture video in full color, even when it's pitch black.

Meet “Hidden Gem,” a smoky jade hue that’s equal parts subdued and sophisticated and is Behr’s newly announced 2026 Color of the Year. Touted as the “perfect neutral,” this sultry blue ...

Apple is moving forward with plans to bring a new type of image sensor with dynamic range levels approaching that of the human eye to future iPhones, ...

In an advance at the intersection of neuromorphic engineering and photonics, researchers have developed an ionic-electronic photodetector that not only detects light but also performs in-sensor ...

The sensor works by constantly capturing and releasing sweat, with a sodium sensor which measures the activity of the sweat and a skin temperature sensor.

Your Smartwatch's Sleep Tracker May Be Sleeping on the Job Stress sensors are inaccurate and sometimes report the opposite of user experiences, new research finds ...

Reading and blue light glasses now add color and style to outfits with chunky lucite specs, streamlined frames and updated aviator designs.

Lewes, Rehoboth Beach and Millville areas will be the last to reach peak color, around Nov. 12. Peak color conditions will last approximately a week to 10 days. Why do leaves change color?