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Show HN: Jigsaw – modern multiplayer jigsaw puzzles in the browser

https://jigsaw.marnil.dev
1•mebn•13m ago
Our office removed the physical puzzle, so I built a multiplayer one. A coworker and I use it daily for a couple of hours.

You can upload your own images and choose the number of pieces and the piece shape. Share the room link and others can join and solve with you in real time.

There are a lot of keyboard shortcuts and power-user features.

Stack: React, TypeScript, Vite, Node, WebSockets, SQLite, running on a Hetzner VPS. Pieces are rendered with WebGPU because it was fast and smooth.

It works best on desktop but should be ok on mobile.

I’d love some feedback!

Quark: A 9B locally runnable reasoning model tuned for physics and math

https://huggingface.co/FirstPrinciplesLabs/quark
1•otalp•2m ago•0 comments

Nintendo Takes Down Emulators and Firmware in Massive GitHub DMCA Sweep

https://www.ign.com/articles/nintendo-takes-down-switch-emulators-and-mod-chip-firmware-in-massiv...
2•CharlesW•3m ago•0 comments

The History of the History of Algorithms: In Defense of Improper Periodization

https://www.jhiblog.org/2026/11/09/algorithms-improper-periodization/
1•fortran77•4m ago•0 comments

From Rent to Root: Introducing NvRoot (CVE-2026-47591)

https://stealthium.io/blog/nvroot
1•sshah03•4m ago•0 comments

Discontinuation of Google and Apple Accounts Linking to Nintendo Accounts

https://www.nintendo.com/au/support/articles/discontinuation-of-google-and-apple-accounts-linking...
1•layer8•4m ago•0 comments

The ENIAC in Context: 80 Years of Computing History (VCF Midwest Talk) [video]

https://www.youtube.com/watch?v=4wm780EI6f4
1•fortran77•4m ago•0 comments

Guidelines on attempts to manipulate the ocean put spotlight on geoengineering

https://www.theguardian.com/environment/2026/nov/12/canada-climate-geoengineering-marine-carbon-c...
1•PaulHoule•5m ago•0 comments

The DO's and DOn'ts of Post-Quantum DNSSEC

https://ispcol.potaroo.net/2026-11/dodnssec.html
1•caminanteblanco•5m ago•0 comments

Trump says Apple's Tim Cook should take over Nvidia

https://www.washingtonpost.com/technology/2026/11/12/trump-says-apples-tim-cook-should-take-over-...
1•glass1122•7m ago•0 comments

"Omarchy ... v3 –> v4 migration just deleted my network setup without warning"

https://twitter.com/tomhacks/status/2120456892665450846
1•eatonphil•8m ago•1 comments

OpenAI and Georgia county leaders hit with Mafia-style RICO racketeering lawsuit

https://www.tomshardware.com/tech-industry/data-centers/georgia-politicians-openai-slapped-with-r...
1•myleshenderson•9m ago•0 comments

Show HN: DBZ Creator's studio demolished today. I rebuilt it in 3D

https://bird.jacomakes.com
1•jacomakes•10m ago•0 comments

R2: The Engine of Engines

https://www.redpanda.com/blog/r2-the-engine-of-engines
1•PeterCorless•10m ago•0 comments

2FA Removed from Humble Bundle

https://www.reddit.com/r/humblebundles/comments/1xtj3nj/2fa_removed_from_humble_bundle/
1•pavel_lishin•11m ago•2 comments

Show HN: ReadyStack.dev – Bit-for-bit reproducible OSS containers

1•readystack•12m ago•0 comments

Show HN: Jigsaw – modern multiplayer jigsaw puzzles in the browser

https://jigsaw.marnil.dev
1•mebn•13m ago•0 comments

Algorithm in the Consulting Room

https://medium.com/@smoking2man/algorithm-in-the-consulting-room-on-the-architectural-mismatch-be...
1•Aldus551•14m ago•0 comments

The Conflict Between Generative Art and AI

https://lostpixels.io/writings/the-ai-and-generative-art-conflict
1•cosiiine•15m ago•0 comments

Proschi – architecture diagrams as code that simulate load and failures

https://proschi.app/
1•gvart•15m ago•0 comments

Show HN: Dino Battle, a math adventure game my 7-year-old dreamed up

https://dinosaurs.flatown.com/
1•jflatow•16m ago•0 comments

Ontario SMR Nuclear Projects Face Delays and Overruns

https://www.nucnet.org/news/opg-begins-comprehensive-assessment-as-canada-smr-project-faces-delay...
1•pfdietz•16m ago•0 comments

Umo – Your AI CMO

https://www.umo.ai/
1•sahil_chaudhary•17m ago•0 comments

MIT engineers create a system for building shape-changing smart devices

https://news.mit.edu/2026/mit-engineers-create-system-for-building-shape-changing-smart-devices-0827
1•gmays•19m ago•0 comments

A friend recently prompted his own Linux ABI-compatible OS

https://twitter.com/patrickc/status/2120907937627684940
1•tosh•20m ago•0 comments

Apify Security Breach

https://status.apify.com
4•pupppet•21m ago•1 comments

macOS on Xiaomi Pad 6S

https://www.reddit.com/r/hackintosh/comments/1xuaton/updates_on_macos_for_xiaomi_pad_6s_pro/
1•jeswin•22m ago•0 comments

The Temperamental Nature of Alligator Gender-Reveal Parties

https://nautil.us/the-temperamental-nature-of-alligator-gender-reveal-parties-1286547
2•rbanffy•26m ago•0 comments

SwiftNIO: Why ByteBuffer Has Two Cursors

https://ivantokar.com/posts/swiftnio-why-bytebuffer-has-two-cursors/
1•frizlab•28m ago•0 comments

Show HN: Armin – Modern Anki alternative with prerrequisite graphs

https://armincards.app/
1•ansanabria•28m ago•0 comments

Amazon's Ring debuts security robots, including a drone

https://www.nbcnews.com/tech/tech-news/amazons-ring-debuts-security-robots-drone-rcna608538
2•gmays•29m ago•0 comments