BenQ PD2770U review: A self-calibrating monitor for pros

The BenQ PD2770U is a monitor built for professional content creation. Its specific feature set will limit its appeal, but ...
Nature

Electrons dynamics control by shaping femtosecond laser pulses in micro/nanofabrication: modeling, method, measurement and application

During femtosecond laser fabrication, photons are mainly absorbed by electrons, and the subsequent energy transfer from electrons to ions is of picosecond order. Hence, lattice motion is negligible ...
National Geographic news

LED light therapy for skin is trendy—but does it work?

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...
CNET

I Found Out Why Our LED Bulbs Burn Out So Early. No, You Don't Need a New Fixture

It turns out the "10-year lifespan" printed on your LED box is often a total fantasy. I spent years falling for the marketing, only to end up standing on a ladder every six months replacing bulbs that ...
PCMag

Maximize Your Mood Lighting. How I Set Up My Nanoleaf Wall Panel Lights

Nanoleaf's modular, stick-on lights take your mood lighting to the next level, but I have a few suggestions for making setup ...

Govee’s smart ceiling light doubles as a virtual sky light

Just unveiled at CES, the Sky Ceiling Light can bring some much-needed daylight into dark or windowless living spaces.

CES 2026: Live updates on the latest gadgets at the biggest tech event of the year

Engadget's best of CES 2026: All the new tech that caught our eye in Las Vegas: The best of the best. These are our picks for ...
The New York Times

The Best Red-Light Device

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Rory Evans Rory Evans is a writer focused on skin-care and beauty products.
The New York Times

The Best Light Therapy Lamp

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Nancy Redd Shifts in the number of daylight hours — due to changing seasons or ...
PCMag

Bright Idea: 3 Things I Wish I'd Known Before Setting Up My Nanoleaf Wall Lights

Nanoleaf's modular, stick-on lights take your mood lighting to the next level, but I have a few suggestions for making setup ...
mccormick.northwestern.edu

MECH_ENG 439: Computer Control in Manufacturing

Digital control theory, design methodology, and techniques for controller implementation on digital computers. Discrete system modeling, system identification, and adaptive control methods. Single and ...
Nature

Control theory articles from across Nature Portfolio

Control theory is a branch of mathematics and engineering, which defines the conditions needed for a system to maintain a controlled output in the face of input variation. Classically developed for ...