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Nanopositioning Metrology, Gödel, and Bootstraps

https://www.pi-usa.us/en/tech-blog/nanopositioning-metrology-goedel-and-bootstraps
13•nill0•4d ago

Comments

philipkglass•36m ago
If you found this interesting and are a non-expert, I recommend browsing Foundations of Mechanical Accuracy by Wayne Moore (1970):

https://archive.org/details/Foundations_of_Mechanical_Accura...

Manufacturing got down to nanometer precision starting with macroscopic precision visible to the naked eyeball.

pdonis•21m ago
This article would be better without the opening two paragraphs about Godel's Theorem. They're just fluff, and much of what they say is wrong.

iPhone 17 Pro Demonstrated Running a 400B LLM

https://twitter.com/anemll/status/2035901335984611412
156•anemll•2h ago•92 comments

Is it a pint?

https://isitapint.com/
71•cainxinth•1h ago•64 comments

Cyber.mil serving file downloads using TLS certificate which expired 3 days ago

https://www.cyber.mil/stigs/downloads
67•Eduard•1h ago•63 comments

Show HN: Threadprocs – executables sharing one address space (0-copy pointers)

https://github.com/jer-irl/threadprocs
23•jer-irl•1h ago•13 comments

Bombadil: Property-based testing for web UIs

https://github.com/antithesishq/bombadil
157•Klaster_1•4d ago•64 comments

Trivy under attack again: Widespread GitHub Actions tag compromise secrets

https://socket.dev/blog/trivy-under-attack-again-github-actions-compromise
8•jicea•1d ago•1 comments

If DSPy is so great, why isn't anyone using it?

https://skylarbpayne.com/posts/dspy-engineering-patterns/
124•sbpayne•2h ago•76 comments

An unsolicited guide to being a researcher [pdf]

https://emerge-lab.github.io/papers/an-unsolicited-guide-to-good-research.pdf
90•sebg•4d ago•12 comments

Migrating to the EU

https://rz01.org/eu-migration/
633•exitnode•6h ago•519 comments

Study: 'Security Fatigue' May Weaken Digital Defenses

https://www.albany.edu/news-center/news/2026-study-security-fatigue-may-weaken-digital-defenses
65•giuliomagnifico•2h ago•39 comments

Side-Effectful Expressions in C (2023)

https://blog.xoria.org/expr-stmt-c/
9•surprisetalk•5d ago•0 comments

POSSE – Publish on your Own Site, Syndicate Elsewhere

https://indieweb.org/POSSE
346•tosh•8h ago•75 comments

PC Gamer recommends RSS readers in a 37mb article that just keeps downloading

https://stuartbreckenridge.net/2026-03-19-pc-gamer-recommends-rss-readers-in-a-37mb-article/
760•JumpCrisscross•22h ago•349 comments

GitHub appears to be struggling with measly three nines availability

https://www.theregister.com/2026/02/10/github_outages/
323•richtr•6h ago•174 comments

Two pilots dead after plane and ground vehicle collide at LaGuardia

https://www.bbc.com/news/articles/cy01g522ww4o
85•mememememememo•9h ago•123 comments

I built an AI receptionist for a mechanic shop

https://www.itsthatlady.dev/blog/building-an-ai-receptionist-for-my-brother/
56•mooreds•6h ago•73 comments

Walmart: ChatGPT checkout converted 3x worse than website

https://searchengineland.com/walmart-chatgpt-checkout-converted-worse-472071
274•speckx•3d ago•194 comments

The gold standard of optimization: A look under the hood of RollerCoaster Tycoon

https://larstofus.com/2026/03/22/the-gold-standard-of-optimization-a-look-under-the-hood-of-rolle...
508•mariuz•22h ago•138 comments

General Motors is assisting with the restoration of a rare EV1

https://evinfo.net/2026/03/general-motors-is-assisting-with-the-restoration-of-an-1996-ev1/
58•betacollector64•2d ago•63 comments

Tin Can, a 'landline' for kids

https://www.businessinsider.com/tin-can-landline-kids-cellphone-cell-alternative-how-2025-9
264•tejohnso•3d ago•214 comments

Cyberattack on vehicle breathalyzer company leaves drivers stranded in the US

https://techcrunch.com/2026/03/20/cyberattack-on-vehicle-breathalyzer-company-leaves-drivers-stra...
84•speckx•4h ago•96 comments

Reports of code's death are greatly exaggerated

https://stevekrouse.com/precision
522•stevekrouse•1d ago•384 comments

The future of version control

https://bramcohen.com/p/manyana
613•c17r•1d ago•344 comments

“Collaboration” is bullshit

https://www.joanwestenberg.com/collaboration-is-bullshit/
141•mitchbob•15h ago•63 comments

Can you get root with only a cigarette lighter? (2024)

https://www.da.vidbuchanan.co.uk/blog/dram-emfi.html
144•HeliumHydride•3d ago•29 comments

Nanopositioning Metrology, Gödel, and Bootstraps

https://www.pi-usa.us/en/tech-blog/nanopositioning-metrology-goedel-and-bootstraps
13•nill0•4d ago•2 comments

Why I love NixOS

https://www.birkey.co/2026-03-22-why-i-love-nixos.html
403•birkey•23h ago•272 comments

GoGoGrandparent (YC S16) is hiring Back end Engineers

https://www.ycombinator.com/companies/gogograndparent/jobs/2vbzAw8-backend-engineer
1•davidchl•13h ago

Project Nomad – Knowledge That Never Goes Offline

https://www.projectnomad.us
545•jensgk•1d ago•202 comments

The way CTRL-C in Postgres CLI cancels queries is incredibly hack-y

https://neon.com/blog/ctrl-c-in-psql-gives-me-the-heebie-jeebies
113•andrenotgiant•3d ago•36 comments