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 ...

How to get access to Google’s Gemini Pro, OpenAI’s ChatGPT Go and Perplexity for free: All offers and more

Artificial intelligence (AI) is no longer limited to tech labs. OpenAI launched ChaGPT in 2022. Since then AI chatbots have ...

This fully atomic Linux distro is a challenge to install but a treat to use

Looking for a Linux distribution to challenge you? AerynOS delivers that - plus atomic-powered security and stability.
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100 years of menus show how food can be used as a diplomatic tool to make and break political alliances

King George VI and Queen Elizabeth at a formal dinner, Château Frontenac, Québec. Credit: BiblioArchives / LibraryArchives on flickr. Licensed under CC BY 2.0. What do hake fillet, port wine from 1890 ...