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

A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the ...

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

Engine cylinders can misfire for many reasons. There are four causes in particular that you should be aware of; here's what ...

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 ...
Evening Chronicle

Martin Lewis' issues urgent message to O2 customers as thousands urged to check

Those who have recently departed O2 or attempted to do so have received an important warning. Money Saving Expert (MSE) reports the telecommunications firm has incorrectly added several hundred pounds ...
SlashGear

Can You Clean A Car's O2 Sensor? (And Why You Might Need To)

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...
Manchester Evening News

Martin Lewis says EE, Vodafone, Three, O2 mobile users 'need to check' signal site

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 Mirror

Martin Lewis tells EE, Vodafone, Three, O2 users 'check this website and you might change'

Martin Lewis has told anyone with a mobile phone to put their address into a website - which will instantly tell them if their provider is the best signal. Anyone with EE, Vodafone, Three, O2 ...
The Aviationist

Lockheed Martin Test Flies Gen III TacIRST Sensor

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 ...
The Mirror

O2 customers told to check inbox now for important message - 'only 30 days'

O2 customers have been alerted that time is running out if they wish to avoid a £2.50 monthly increase. People are being urged to watch out for a notification from the mobile phone provider which been ...
kahawatungu

How To Check If A Camshaft Position Sensor Is Bad

The camshaft position sensor is an essential component of your car’s engine management system. It monitors the position and speed of the camshaft and sends this data to the engine control unit (ECU), ...
C&EN

A step toward diagnosing the flu with your tongue

Flu season is fast approaching in the northern hemisphere. And a taste-based influenza test could someday have you swapping nasal swabs for chewing gum. A new molecular sensor has been designed to ...