Jul 19, 2026 from The Universe of Discourse The road to epsilon-zero: Nim always ends, even with infinite ordinals Previously: Ordinal numbers and basic set theory Ordinals as nim-heaps Yesterday I talked about the game of Nim, which involves two players taking beans from several piles, and an extension that in...
Jul 19, 2026 from Hackaday Automated Pressure Advance Using a Bed-Leveling Sensor One of the most crucial aspects of FDM 3D printing is ensuring sufficient material is extruded. Determining the right flow rate can be done manually, but some printers these days …read more
Jul 19, 2026 from Ambient Irony Daily News Stuff 19 July 2026 Woolly Hippo To You Edition Top Story Nvidia's 5000 Super graphics cards are lined up on the runway ready to go as soon as someone breaks the news to the passengers that the price of their tickets ...
Jul 19, 2026 from Kev Quirk 📝 2026-07-19 19:09: Today was spent goat-proofing the automatic chicken door. We recently moved it to ground level... Today was spent goat-proofing the automatic chicken door. We recently moved it to ground level and now the goats use it as a scratch post. 🐐 Thanks for reading this post via RSS. RSS is ace, and so...
Jul 19, 2026 from Hackaday Recycling Laptops and iMacs Makes PC Building Fun and Affordable Again Building a PC used to be a fun adventure — what’s the latest, what’s the greatest, what can I afford? Well, that last question seems to have taken over and …read more
Jul 19, 2026 from Hackaday Remembering the Zilog Z80 as it Turns Fifty Years Old Perhaps the saddest thing about the Zilog Z80 is that this humble 8-bit microprocessor wasn’t allowed to live until its 50th birthday. This, fortunately, doesn’t prevent people like [David Oberholl...
Jul 19, 2026 from Kev Quirk I've Moved Back to GitHub Back in May, I wrote a post about how I'd migrated all my repos away from GitHub. This ended up being a combination of my self-hosted Git server on my Synology (for my private repos) and Codeberg f...
Jul 19, 2026 from Hackaday QT6 brings BASIC to the Web Browser, or Your Computer In the old days, you either swore by BASIC or you swore at it — but just about everybody got their start on the educational language. Nowadays, the kids are …read more
Jul 19, 2026 from Hackaday A Pop-Up Truck Camper for Less We live in a veritable Cambrian Explosion of camping options, ranging from a tarp on the ground to multi-million dollar RVs. Somewhere around the middle is the pop-up truck camper, …read more
Jul 19, 2026 from Hackaday Open-Source Mid-Drive e-Bike Motor Has Lots of Promise, and Hyphens [Pedro Neves] has a mid-drive e-bike, but he doesn’t own it — not truly, since he can’t repair the motor unit. For a hacker to be in that position, there …read more
Jul 19, 2026 from Hackaday Write 2D and 3D Games in Modern MoonBASIC One of the major strengths of the BASIC programming languages has always been their no-fuss setup and rich set of commands for operations that would take considerably more work in …read more
Jul 19, 2026 from Sulayman Bowles — Writing Robots.txt is not access control. Choose the control that matches the outcome you need.
Jul 19, 2026 from Sulayman Bowles — Writing Replayable traces for AI agents. Evaluate the execution and its effects, not just the final answer.
Jul 19, 2026 from Sulayman Bowles — Writing The crawl frontier is a state machine. Make every URL admission, fetch, retry, and omission explainable.
Jul 19, 2026 from Sulayman Bowles — Writing Audit findings are derived records. Keep the evidence and reasoning behind each audit claim recoverable.
Jul 19, 2026 from Sulayman Bowles — Writing SQLite for crawl pipelines. Serialize writes without losing attempts, evidence, or recovery paths.
Jul 19, 2026 from Sulayman Bowles — Writing Canonicalization is a graph problem. Find the contradictions that a canonical-tag checklist misses.
Jul 19, 2026 from Sulayman Bowles — Writing Internal links are a retrieval graph. Measure the paths to useful pages, not just the links pointing at them.
Jul 19, 2026 from Sulayman Bowles — Writing Raw HTML and rendered DOM are separate evidence. Separate what the server delivered from what the browser built.
Jul 19, 2026 from Sulayman Bowles — Writing Structured data without content drift. Keep the page and its machine-readable claims on the same record.