Windows 11 has a built-in report that provides insight into your laptop's battery health, including whether a replacement is actually needed.

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

The most recent scammy gadget that came across my workbench was an "advanced electromagnetic antifreeze snow removal device." A relative of a friend of mine bought the device, wondered why it didn't ...