How to build your own air quality meter with a Raspberry Pi and CO2 sensor

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...

Do You Need A Special Socket To Remove O2 Sensors?

Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread ...

Dual-color fluorescent sensor detects trace water in real time with high sensitivity

A research team led by Professor Jiang Changlong at the Hefei Institutes of Physical Science, Chinese Academy of Sciences, ...
CNET

The One Air Quality Monitor I Need to Watch Indoor Conditions at My Home

This device from SwitchBot measures temperature, humidity, carbon dioxide levels and more to keep my home safe during the ...

4 Reasons Engine Cylinders Misfire (And What To Do About It)

Engine cylinders can misfire due to problems with the ignition system, the fuel system, air and compression, or sensors and ...
IEEE

High-Sensitivity Terahertz Sensor for Liquid Medium Detection Using Dual-Layer Metasurfaces

Abstract: In this article, a metasurface-based liquid sensor combined with terahertz spectroscopy is proposed to detect various liquid mediums. The sensor consists of two intersecting resonant ...

We found 30 great gifts that are on sale and will arrive in time for Christmas

We know that everyone’s wishlist looks different from the next, so we’ve got you covered with 30 gift ideas to suit gamers, ...
Advanced Television

Virgin Media O2 reports record year of data use

Virgin Media O2 has released its 2025 Year in Review, revealing record levels of data consumption in the UK, including an 8 per cent rise in broadband usage and an 18 per cent rise in mobile traffic.

Best holiday deals on Apple devices

We're keeping tabs on the holiday prices on AirPods, MacBooks, and Apple WatchesAs you do your holiday shopping, CR finds the best deals on Apple products, from $100 AirPods to a sub-$600 iPhone ...