VO2 max seems like the biggest buzz word used in the running community right now—but why? What makes that number glaring back ...

Learn more about this metric and the best training sessions to add to your schedule to boost your cardio fitness.

So-so smarts, even with an AI assistant, but terrific for long runs.

The best heart rate monitors will track your heart rate comfortably, consistently and accurately ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...

To make the iPhone as capable as it is, Apple equipped it with several sensors. One of these is the LiDAR scanner. LiDAR — short for Light Detection and Ranging — is a sensor that essentially measures ...

Torque measurements can feel confusing when you’re new to them, especially when you just want your machine, bike, or tool to work smoothly without stress. Many beginners struggle with uneven ...

The Gen III TacIRST distributed infrared threat‑warning system will equip the F-22 Raptor, with an evaluation planned in 2026. Lockheed Martin has announced the first flight of the latest iteration of ...