Resistance standards are incredibly useful, but like so many precision references they require regular calibration, ...

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

I never thought that a $12 accessory could rival tools that cost much more. But this USB-C power meter delivers in profound ways.

Portable power stations are more powerful and cost effective than ever before. And, thanks to advances in lithium-ion battery ...

With severe winter weather events happening regularly this season, we recently updated this guide, including the addition the ...

Digestive enzyme supplements have gained popularity for their claims of treating common forms of gut irritation, heartburn and other ailments. But how do digestive enzymes work, and who really needs ...

A DIY wall-mounted sound visualizer plots ambient audio as a smooth waveform on an RGB LED matrix, combining a Pico-class ...

Dave Carlin has covered major national news stories and events in the past four decades including Superstorm Sandy and its tri-state impacts, Hurricane Hugo in South Carolina and Iniki on Kauai, ...

The KEF XIO is a powerful TV speaker that brings refined, cinematic energy to movies and shows, and has class-leading music reproduction. This performance comes with a hefty price, which may feel too ...