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

Tommy Liu builds a vehicle-mounted particulate matter monitoring system powered from harvested wind energy and an integrated ...

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

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 ...

The parking loopholes and tricks every driver should know to beat unfair fines | Money blog Today, we're tackling the issue that floods our inbox like no other: parking. From injustices to loopholes, ...