Hydraulic gear pumps are deceptively simple: just two gears rotating together, forcing the hydraulic oil from one side to the other where the teeth don’t meet, and thus providing the …read more (https://hackaday.com/2025/10/27/building-a-hydraulic-gear-pump-isnt-so-easy/)

Making a Virtual Machine Look like Real Hardware to Malware
https://hackaday.com/2025/10/27/making-a-virtual-machine-look-like-real-hardware-to-malware/

Running suspicious software in a virtual machine seems like a basic precaution to figure out whether said software contains naughty code. Unfortunately it’s generally rather easy to detect whether or …read more (https://hackaday.com/2025/10/27/making-a-virtual-machine-look-like-real-hardware-to-malware/)

Remembering Better Mono Graphics
https://hackaday.com/2025/10/27/remembering-better-mono-graphics/

No matter what kind of computer or phone you are reading this on, it probably has a graphics system that would have been a powerful computer on its own back …read more (https://hackaday.com/2025/10/27/remembering-better-mono-graphics/)

Cooking Up Plastics in the Kitchen
https://hackaday.com/2025/10/28/cooking-up-plastics-in-the-kitchen/

The earliest useful plastics were made out of natural materials like cellulose and casein, but since the Bakelite revolution, their use has dwindled away and left them mostly as curiosities …read more (https://hackaday.com/2025/10/28/cooking-up-plastics-in-the-kitchen/)

Mushrooms As Computer Memory
https://hackaday.com/2025/10/28/mushrooms-as-computer-memory/

Fungi make up a massive, interconnected part of Earth’s ecosystems, yet they’re vastly underrepresented in research and public consciousness compared to plants and animals. That may change in the future …read more (https://hackaday.com/2025/10/28/mushrooms-as-computer-memory/)

Analog Surround Sound Was Everywhere, But You Probably Didn’t Notice
https://hackaday.com/2025/10/28/analog-surround-sound-was-everywhere-but-you-probably-didnt-notice/

Stereo optical sound tracks can be seen on the right of this scan of a 35 mm film print. On the far left is the SDDS digital audio track in blue, with the Dolby Digital audio track visible in between the sprocket holes. Modern film prints often include multiple audio formats like this so a single print can be sent to a wide range of cinemas, whatever their equipment.
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/10/35mm_film_audio_macro.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/10/35mm_film_audio_macro.jpg?w=800">These days, most of the media we consume is digital. We still watch movies and TV shows, but they’re all packaged in digital files that cram in many millions of …read more (https://hackaday.com/2025/10/28/analog-surround-sound-was-everywhere-but-you-probably-didnt-notice/)

Give ATMega88 the Boot With This Retro Front Panel
https://hackaday.com/2025/10/28/give-atmega88-the-boot-with-this-retro-front-panel/

It’s a truism that a computer must boot before it begins to operate. Nowadays that bootstrapping process is automatic, but in the case of the very first home computers, it …read more (https://hackaday.com/2025/10/28/give-atmega88-the-boot-with-this-retro-front-panel/)