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 ...

Let’s face it: As we age, our vision and balance aren’t what they used to be. These changes to our senses can be minor annoyances but can also lead to injury, from stubbed toes to serious falls.

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 ...

Patients are being warned to stop using some glucose monitors made by Abbott Diabetes Care after the company found malfunctioning sensors may be linked to hundreds of adverse events and several deaths ...

The first week of the NFL season always delivers surprises, and that’s when the waiver wire starts to shape fantasy leagues. Early moves often prove to be the most impactful of the year, with managers ...

Designing an analog circuit can be a frustrating experience, as noted by Nick Cornford in his Design Idea (DI), “DIY RTD for a DMM.” With a fortnight’s struggle, I completed the design of 4 mA to 20mA ...

It's a little fussy to set up, but gives real insights into how your body is responding to hot weather exercise. Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a ...

Beats just released its long-anticipated Powerbeats Pro 2. Despite several new features — including the H2 chip, wireless charging support, ANC and Transparency modes, and a more secure earhook design ...

Justin Skiles is a writer from Richmond, VA,and is a lifelong lover of games and stories. He holds a BFA in Game Design and Creative Writing from the Savannah College of Art and Design, where he honed ...

Drip, drip, drip. The Nintendo Switch 2 leaks keep coming, as this time uncofirmed images of a retail-model left Joy-Con for the upcoming console appeared online over the weekend. In addition, fans ...

Modern vehicles rely on a massive amount of electrical systems, sensors, and control modules to keep the wheels turning. Some of those devices are well-known, like your car's main computer or engine ...