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 ...
Hot Rod

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

We tested popular wideband Oâ‚‚ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.
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 ...