A driver’s frustrating check-engine saga is making the rounds after a repair estimate swung from “brace yourself” to “that’ll ...

A check engine light that returns after being reset means the underlying fault has not been repaired, only cleared from the vehicle’s diagnostic memory. The OBD-II system monitors engine and emissions ...

Processors today pack billions of transistors onto a single chip, and while that enables incredible performance, it also creates one persistent problem, which is heat. Rising temperatures can slow ...

Dashboard symbols in modern cars are designed to inform drivers about the vehicle’s status, safety systems and possible mechanical issues through the .

Most modern cars have tire pressure monitoring systems (TPMS), which will alert you if your tires need air. While most of the readings they give are accurate, they can still fail like any other part ...

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 ...

Vivoo's attachable smart toilet sensor was unveiled at CES 2026 and is designed to analyze hydration levels in real time. Corin Cesaric-Epple is a Flex Editor at CNET. She received her bachelor's ...

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 ...

Aqara has announced the Spatial Multi-Sensor FP400, a new presence sensor that it says is precise enough to suss out whether you’re sitting, standing, or lying down. The FP400 builds on several past ...

Imaging technology has transformed how we observe the universe—from mapping distant galaxies with radio telescope arrays to unlocking microscopic details inside living cells. Yet despite decades of ...

Samsung’s Galaxy Z TriFold features the industry’s narrowest fingerprint sensor at just 1.65mm wide, engineered by partner Goodix to fit the device’s ultra-thin 4mm frame. The tri-folding phone ...

Illustration of Muon Space's environmental monitoring satellite. WASHINGTON — Muon Space has secured a $1.9 million contract to develop an infrared sensing payload for missile detection and tracking, ...