With this multipurpose health testing device, you can measure your body temperature and blood oxygen saturation, take an ECG, and listen to your heart and lungs with a pair of headphones.

Learn what a legitimate service should include, from safety inspections for carbon monoxide to electrical checks.

A recent Finnish study has found that measuring adolescents' maximal oxygen uptake often requires a brief verification phase to ensure reliable results. The researchers also note that even small ...

When new rules come into force in Formula 1, it's natural to see many different interpretations across the grid, especially on those components that define the car’s overall concept. From tail to tip, ...

They can’t guarantee future health, but they can tell you the trajectory you’re on. By Dana G. Smith Take a minute to consider the last decade of your life. What type of physical shape do you hope to ...

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 ...

Joe Grantham is a contributor from the UK with a degree in Classical Studies. His love for gaming is only rivaled by a deep passion for medieval history, which often seeps into his articles. With over ...

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 ...

This all-purpose presence sensor is a master at monitoring indoor activity and linking it to smart home features you already use. Tyler has worked on, lived with and tested all types of smart home and ...

Experts say gait speed, grip strength, balance, and endurance are some of the strongest predictors of long-term independence. Here’s how to check them yourself—and what the results mean. Balancing on ...

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 ...

Wi-Fi internet has reached a point of utility and ubiquity that just about everyone wants it and needs it every day. Of course, much like unscrupulous individuals stealing cable, not everyone wants to ...