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 ...

Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that when iron is scarce, phytoplankton waste energy and photosynthesis falters.

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 ...

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 ...

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Nintendo has released its latest system software update for the Switch and Switch 2, bringing both consoles' firmware up to Version 21.1.0. Today's patch is a minor one — at least, according to the ...

New research shows how the star's powerful outbursts could help scientists assess which worlds might support life. When you purchase through links on our site, we may earn an affiliate commission.

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

Klipsch introduced its original ProMedia desktop speaker system back in 1999. And it was notable for bringing the American manufacturer’s signature horn-loaded speaker design into a compact form ...

Selecting the right smartphone operating system (OS) is a pivotal decision that directly influences your overall user experience. The interface, features, and performance of an OS shape how you ...