Metallurgist working by the blast furnaces in Třinec Iron and Steel Works. (Credit: Třinecké železárny)
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/04/VysokePece1.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/04/VysokePece1.jpg?w=800">Although generally hydrogen is only mentioned within the context of transportation and energy storage, by far the most useful applications are found in industrial applications, including for the chemical industry, …read more (https://hackaday.com/2023/05/04/we-already-live-in-a-hydrogen-economy-steel-production-generator-cooling-and-welding-gas/)

Op-Amp Challenge: Get More From A Single Wire With An Analogue Adder
https://hackaday.com/2023/05/04/op-amp-challenge-get-more-from-a-single-wire-with-an-analogue-adder/

It’s been a running battle in some quarters for years, whether analog sensor processing is better than digital. Proponents of digital are sometimes driven by lack of familiarity with analog …read more (https://hackaday.com/2023/05/04/op-amp-challenge-get-more-from-a-single-wire-with-an-analogue-adder/)

ChatGPT Makes a 3D Model: The Secret Ingredient? Much Patience
https://hackaday.com/2023/05/04/chatgpt-makes-a-3d-model-the-secret-ingredient-much-patience/

ChatGPT is an AI large language model (LLM) which specializes in conversation. While using it, [Gil Meiri] discovered that one way to create models in FreeCAD is with Python scripting, …read more (https://hackaday.com/2023/05/04/chatgpt-makes-a-3d-model-the-secret-ingredient-much-patience/)

Easter’s Over, But You Can Still Dye Keycaps
https://hackaday.com/2023/05/04/easters-over-but-you-can-still-dye-keycaps/

While it’s true that keycap colorways abound these days, one can’t always find exactly what one is looking for. And once found, the set is often either prohibitively expensive, or …read more (https://hackaday.com/2023/05/04/easters-over-but-you-can-still-dye-keycaps/)

Hacking Hue Lightbulbs
https://hackaday.com/2023/05/04/hacking-hue-lightbulbs/

What do you do with a Hue smart lightbulb? Well, if you are [Chris Greening], you take it apart and get hacking. If you ever wondered what’s inside, the teardown …read more (https://hackaday.com/2023/05/04/hacking-hue-lightbulbs/)

NVIDIA Jetson Powers Real-Time Iron Man HUD
https://hackaday.com/2023/05/04/nvidia-jetson-powers-real-time-iron-man-hud/

If you could recreate any of the capabilities of Tony Stark’s Iron Man suit in real life, it would probably be the ability to fly, the super strength, or maybe …read more (https://hackaday.com/2023/05/04/nvidia-jetson-powers-real-time-iron-man-hud/)

CNC Feeds and Speeds, Explained as a First-Timer
https://hackaday.com/2023/05/05/cnc-feeds-and-speeds-explained-as-a-first-timer/

If you’ve ever looked into CNC cutting tools, you’ve probably heard the term “feeds and speeds”. It refers to choosing the speed at which to spin the cutting tool, and …read more (https://hackaday.com/2023/05/05/cnc-feeds-and-speeds-explained-as-a-first-timer/)

Linux Cell Phone? Build OURPhone
https://hackaday.com/2023/05/05/linux-cell-phone-build-ourphone/