We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

Coway Airmega AIM (AP-0623B) Air Purifier For Home, Cleans Upto 355 Sq.Ft, Longest Filter Life 8500Hrs (Approx. 1.5-2 Yrs), Kills Virus & PM 0.01 With 99.999% Efficiency, 7Yrs Motor Warranty, ...

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 ...

Apple released a small build update to iOS 26 developer beta 6, which does not re-enable the blood oxygen sensor on Apple Watch in spite of the earlier iOS 18.6.1 update that did. The new iOS 26 ...

If you’ve had your eye on a new Apple Watch Series 10, now’s the day to finally get one. Not only is it $100 off, starting at just $299 for the 42mm model, but the blood-oxygen sensor is finally ...

Jake Peterson is Lifehacker’s Senior Technology Editor. He has a BFA in Film & TV from NYU, where he specialized in writing. Jake has been helping people with their technology professionally since ...

Wearable Soft Electronics Lab, Department of Mechanical Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea Institute of Advanced Machinery and Design (SNU-IAMD), Seoul ...

Mark Jackson lost use of his hands after being diagnosed with ALS. A patient with amyotrophic lateral sclerosis (ALS) has become the first person in the world to control an iPad entirely by thought, ...

A federal appeals court upheld a ruling that struck down a background check requirement implemented by California on buyers of ammunition for firearms. The 9th Circuit Court of Appeals ruled Thursday ...

The 9th U.S. Circuit Court of Appeals on Thursday temporarily blocked a federal judge's order that directed President Donald Trump to return control of National Guard troops to California after he ...