The number of choices in smart rings has exploded in the last couple of years—yet two of the top options on the market remain the Oura Ring 4 and RingConn Gen 2. Each brand produced new twists on ...

I’ve been working with computers for ages, starting with a multi-year stint in purchasing for a major IBM reseller in New York City before eventually landing at PCMag (back when it was still in print ...

After four months of testing, we can confidently say that the Oura Ring Gen 4 easily upholds the title of the best smart ring on the market. However, we doubt we will ever get used to its bulky design ...

Oura has expanded its fourth-generation lineup with the launch of the new Oura Ring 4 Ceramic, a new version of its smart ring available now for $499/£499. Alongside the latest hardware announcement, ...

Circuit breakers are critical components that allow the power distribution system to operate safely and reliably. As NETA Certified Technicians, we need to be familiar with the different types of ...

I’ve worn a fitness tracker for as long as I can remember. I started out with the good ol’ Fitbit, then eventually upgraded to an Apple Watch. I like being able to monitor how active I am throughout ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

To evaluate the outdoor performance and stability of perovskite solar cells using contactless and noninvasive methods, an Australian and Chinese research team found a way to use photoluminescence ...

I don’t need yet another screen in my life. Or at least that’s what I have been telling myself for years. I used to believe it was a pet peeve. But a quick look at Reddit and X shows a whole bunch of ...

“37 C.F.R. § 1.131 does not apply if the rejection is ‘based upon a statutory bar,’ such as when the asserted reference is a published patent application, as Cranley is here.” – Federal Circuit Two ...