US industry experts trace the evolution of PV rapid shutdown rules and outline how recent updates to UL 3741 are reshaping compliance pathways for rooftop and commercial solar in the United States.

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are ...

When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described ...

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 ...

Let's talk about that graveyard of old phones you've got stashed in a kitchen drawer. Instead of letting them collect dust until they're literal ancient artifacts, it's time to put one of those bricks ...

Let’s talk about small-cap stocks. Though they have largely been swimming under the radar during the past year – as mega-cap giants soaked up funds and headlines – small-caps still offer plenty of ...

Glaucoma is a leading cause of blindness among people who are unable to monitor and manage their intraocular pressure (IOP) daily. The current tools for IOP measurement are not portable, convenient, ...

Tired of your heating bill looking like a car payment? Knock the temp down ten degrees while you're at work. Mike De Socio is a CNET contributor who writes about energy, personal finance, electric ...

Unleash Windows 11's hidden features, maximize the power of its AI tools, and fine-tune your PC like a pro with these powerful tips. I've been testing PC and mobile software for more than 20 years, ...