Could a cheap soil sensor help me rescue the orchid on my kitchen table that's been struggling for weeks? Common capacitive soil moisture sensors rely on the electrical properties of the materials ...

Your car's tire pressure monitoring system (TPMS) can fail, but you can still drive. Learn why sensors break and what to do when they stop working.

Researchers have developed a highly sensitive light-based sensor that can detect extremely low concentrations of cancer ...

Researchers have developed a highly sensitive light-based sensor that can detect extremely low concentrations of cancer biomarkers in the blood. The new technology could one day make it possible to ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...

O2 customers are being urged to scrutinise their recent bills after Martin Lewis warned they could have been unfairly stung with hundreds of pounds in charges. The dispute erupted when O2 announced it ...

Martin Lewis has advised anyone with a mobile phone to input their address into a website to instantly determine if their provider offers the best signal. Those using EE, Vodafone, Three, O2, and ...

The Gen III TacIRST distributed infrared threat‑warning system will equip the F-22 Raptor, with an evaluation planned in 2026. Lockheed Martin has announced the first flight of the latest iteration of ...