Luna Smart Ring Gen 2 review: this Oura ring alternative has great battery life and sleep analytics

Announced at IFA 2025, the Luna Smart Ring Gen 2 is the second generation that tracks your biomarkers, and helps you ...

We've tested every running watch on the market — these are the best ones

Outside of training, the sleep stages and Nightly Recharge recovery tools are still some of the best you’ll find on any ...
Hot Rod

How Accurate Are Wideband O2 Sensors? A Real-World Lambda Comparison Test

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

Getting started with SONOFF Dongle Plus MG24 Zigbee adapter using Home Assistant

Getting started guide & review of the SONOFF Dongle Plus MG24 Zigbee adapter with Home Assistant, AirGuard TH monitor, and ...
The Fabricator

Oxyfuel: The cutting tool every shop should have at the ready

There's basically one: if you're cutting thick steel plate—not aluminum, not stainless. You need a ferrous material or else ...
Tech Xplore on MSN

Updates to Slicer 2 software include better visuals and automation

Oak Ridge National Laboratory has released a new version of its advanced slicing software, ORNL Slicer 2, which accelerates ...
Heart

Innovations in cardiac device therapy in the era of advanced rhythm management: implantable defibrillators and conduction system pacing

Cardiac device therapy has significantly evolved since the introduction of the first implantable pacemaker and the subsequent ...