Old parts such as EPROMs will often find themselves for sale on sites such as eBay, where they are sometimes snapped up by retrocomputing enthusiasts in search of interesting code. …read more (https://hackaday.com/2025/11/08/bios-detectives-find-ghost-of-previously-unknown-pc/)

What has 5,000 Batteries and Floats?
https://hackaday.com/2025/11/08/what-has-5000-batteries-and-floats/

While it sounds like the start of a joke, Australian shipmaker Incat Tasmania isn’t kidding around about electric ships. Hull 096 has started charging, although it has only 85% of …read more (https://hackaday.com/2025/11/08/what-has-5000-batteries-and-floats/)

Thanks for a Superconference
https://hackaday.com/2025/11/08/thanks-for-a-superconference/

Last weekend was Supercon, and it was, in a word super. So many people sharing so much enthusiasm and hackery, and so many good times. It’s a yearly dose of …read more (https://hackaday.com/2025/11/08/thanks-for-a-superconference/)

2025 Component Abuse Challenge: Glowing Neon From a 9 V Relay
https://hackaday.com/2025/11/08/2025-component-abuse-challenge-glowing-neon-from-a-9-v-relay/

Most of us know that a neon bulb requires a significant voltage to strike, in the region of 100 volts. There are plenty of circuits to make that voltage from …read more (https://hackaday.com/2025/11/08/2025-component-abuse-challenge-glowing-neon-from-a-9-v-relay/)

Camera Capabilities Unlocked from a Mouse
https://hackaday.com/2025/11/08/camera-capabilities-unlocked-from-a-mouse/

There is a point where taking technology for granted hides some of the incredible capabilities of seemingly simple devices. Optical mice are a great example of this principle, using what …read more (https://hackaday.com/2025/11/08/camera-capabilities-unlocked-from-a-mouse/)

Autopsy of a First-Generation RX7 Mazda Rotary Car Engine
https://hackaday.com/2025/11/08/autopsy-of-a-first-generation-rx7-mazda-rotary-car-engine/

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, plectrum-shaped chunk …read more (https://hackaday.com/2025/11/08/autopsy-of-a-first-generation-rx7-mazda-rotary-car-engine/)

Teardown of HP Optical Link and Signal Investigations Using Siglent Technology
https://hackaday.com/2025/11/08/teardown-of-hp-optical-link-and-signal-investigations-using-siglent-technology/

Anything with a laser has undeniable hacker appeal, even if the laser’s task is as pedestrian as sending data over a fiber optic cable. [Shahriar] from [The Signal Path] must …read more (https://hackaday.com/2025/11/08/teardown-of-hp-optical-link-and-signal-investigations-using-siglent-technology/)