If you’ve ever fumbled through circuit simulation and ended up with a flatline instead of a sine wave, this video from [saisri] might just be the fix. In this walkthrough …read more (https://hackaday.com/2025/04/22/virtual-nodes-real-waves-a-colpitts-walkthrough/)

A Scratch-Built Commodore 64, Turing Style
https://hackaday.com/2025/04/23/a-scratch-built-commodore-64-turing-style/

Building a Commodore 64 is among the easier projects for retrocomputing fans to tackle. That’s because the C64’s core chipset does most of the heavy lifting; source those and you’re …read more (https://hackaday.com/2025/04/23/a-scratch-built-commodore-64-turing-style/)

Unsolved Questions in Astronomy? Try Dark Matter!
https://hackaday.com/2025/04/23/unsolved-questions-in-astronomy-try-dark-matter/

A false colour image looking towards the Central Molecular Zone near the center of our galaxy. (JPL/Caltech)
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2025/04/massivestars.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/04/massivestars.jpg?w=800">Sometimes in fantasy fiction, you don’t want to explain something that seems inexplicable, so you throw your hands up and say, “A wizard did it.” Sometimes in astronomy, instead of …read more (https://hackaday.com/2025/04/23/unsolved-questions-in-astronomy-try-dark-matter/)

To See Within: Detecting X-Rays
https://hackaday.com/2025/04/23/to-see-within-detecting-x-rays/

It’s amazing how quickly medical science made radiography one of its main diagnostic tools. Medicine had barely emerged from its Dark Age of bloodletting and the four humours when X-rays …read more (https://hackaday.com/2025/04/23/to-see-within-detecting-x-rays/)

Open Source Commercial Synthesisers You Will Love
https://hackaday.com/2025/04/23/open-source-commercial-synthesisers-you-will-love/

Drumboy and Synthgirl from Randomwaves are a a pair of compact electronic instruments, a drum machine and a synthesiser. They are commercial products which were launched on Kickstarter, and if …read more (https://hackaday.com/2025/04/23/open-source-commercial-synthesisers-you-will-love/)

The Evertop: a Low-Power, Off-Grid Solar Gem
https://hackaday.com/2025/04/23/the-evertop-a-low-power-off-grid-solar-gem/

When was the last time you saw a computer actually outlast your weekend trip – and then some? Enter the Evertop, a portable IBM XT emulator powered by an ESP32 …read more (https://hackaday.com/2025/04/23/the-evertop-a-low-power-off-grid-solar-gem/)

FLOSS Weekly Episode 830: Vibes
https://hackaday.com/2025/04/23/floss-weekly-episode-830-vibes/

This week, Jonathan Bennett and Randal Schwartz chat with Allen Firstenberg about Google’s AI plans, Vibe Coding, and Open AI! What’s the deal with agentic AI, how close are we …read more (https://hackaday.com/2025/04/23/floss-weekly-episode-830-vibes/)