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

Technology developed in Donegal is helping to provide clean drinking water in Uganda and could be rolled out to other countries next year. Since 2019, researchers at the Atlantic Technological ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Caroline Mullen Caroline Mullen is a writer focused on cleaning and organizing ...

We earn commissions from purchases you make using links in our articles. Learn more. Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely ...

One of the worst things about everything being a touchscreen these days is that… well, we have to touch them. Phones, tablets, and even laptops are now constantly smeared with fingerprints, grease, ...

In a surprise Thursday announcement, Apple says that it is bringing the blood oxygen sensor feature back to the Apple Watch Series 9 and newer. The returning feature will be part of an iOS 18.6.1 and ...

You love your car, but you’d probably love it even more if it didn’t have a coffee stain on the carpet, dust on the dashboard, and fingerprints all over the touchscreen. Fortunately, those and most ...

We earn commissions from purchases you make using links in our articles. Learn more. If your car experiences poor fuel economy, lacks power, feels sluggish, idles rough, or has an illuminated check ...