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The next frontier in weight-loss drugs: one-time gene therapy

https://www.washingtonpost.com/health/2026/01/24/fractyl-glp1-gene-therapy/
1•bookofjoe•1m ago•1 comments

At Age 25, Wikipedia Refuses to Evolve

https://spectrum.ieee.org/wikipedia-at-25
1•asdefghyk•3m ago•2 comments

Show HN: ReviewReact – AI review responses inside Google Maps ($19/mo)

https://reviewreact.com
1•sara_builds•4m ago•0 comments

Why AlphaTensor Failed at 3x3 Matrix Multiplication: The Anchor Barrier

https://zenodo.org/records/18514533
1•DarenWatson•5m ago•0 comments

Ask HN: How much of your token use is fixing the bugs Claude Code causes?

1•laurex•8m ago•0 comments

Show HN: Agents – Sync MCP Configs Across Claude, Cursor, Codex Automatically

https://github.com/amtiYo/agents
1•amtiyo•9m ago•0 comments

Hello

1•otrebladih•10m ago•0 comments

FSD helped save my father's life during a heart attack

https://twitter.com/JJackBrandt/status/2019852423980875794
2•blacktulip•13m ago•0 comments

Show HN: Writtte – Draft and publish articles without reformatting, anywhere

https://writtte.xyz
1•lasgawe•15m ago•0 comments

Portuguese icon (FROM A CAN) makes a simple meal (Canned Fish Files) [video]

https://www.youtube.com/watch?v=e9FUdOfp8ME
1•zeristor•17m ago•0 comments

Brookhaven Lab's RHIC Concludes 25-Year Run with Final Collisions

https://www.hpcwire.com/off-the-wire/brookhaven-labs-rhic-concludes-25-year-run-with-final-collis...
2•gnufx•19m ago•0 comments

Transcribe your aunts post cards with Gemini 3 Pro

https://leserli.ch/ocr/
1•nielstron•23m ago•0 comments

.72% Variance Lance

1•mav5431•24m ago•0 comments

ReKindle – web-based operating system designed specifically for E-ink devices

https://rekindle.ink
1•JSLegendDev•26m ago•0 comments

Encrypt It

https://encryptitalready.org/
1•u1hcw9nx•26m ago•1 comments

NextMatch – 5-minute video speed dating to reduce ghosting

https://nextmatchdating.netlify.app/
1•Halinani8•27m ago•1 comments

Personalizing esketamine treatment in TRD and TRBD

https://www.frontiersin.org/articles/10.3389/fpsyt.2025.1736114
1•PaulHoule•28m ago•0 comments

SpaceKit.xyz – a browser‑native VM for decentralized compute

https://spacekit.xyz
1•astorrivera•29m ago•0 comments

NotebookLM: The AI that only learns from you

https://byandrev.dev/en/blog/what-is-notebooklm
2•byandrev•29m ago•1 comments

Show HN: An open-source starter kit for developing with Postgres and ClickHouse

https://github.com/ClickHouse/postgres-clickhouse-stack
1•saisrirampur•30m ago•0 comments

Game Boy Advance d-pad capacitor measurements

https://gekkio.fi/blog/2026/game-boy-advance-d-pad-capacitor-measurements/
1•todsacerdoti•30m ago•0 comments

South Korean crypto firm accidentally sends $44B in bitcoins to users

https://www.reuters.com/world/asia-pacific/crypto-firm-accidentally-sends-44-billion-bitcoins-use...
2•layer8•31m ago•0 comments

Apache Poison Fountain

https://gist.github.com/jwakely/a511a5cab5eb36d088ecd1659fcee1d5
1•atomic128•32m ago•2 comments

Web.whatsapp.com appears to be having issues syncing and sending messages

http://web.whatsapp.com
1•sabujp•33m ago•2 comments

Google in Your Terminal

https://gogcli.sh/
1•johlo•34m ago•0 comments

Shannon: Claude Code for Pen Testing: #1 on Github today

https://github.com/KeygraphHQ/shannon
1•hendler•35m ago•0 comments

Anthropic: Latest Claude model finds more than 500 vulnerabilities

https://www.scworld.com/news/anthropic-latest-claude-model-finds-more-than-500-vulnerabilities
2•Bender•39m ago•0 comments

Brooklyn cemetery plans human composting option, stirring interest and debate

https://www.cbsnews.com/newyork/news/brooklyn-green-wood-cemetery-human-composting/
1•geox•39m ago•0 comments

Why the 'Strivers' Are Right

https://greyenlightenment.com/2026/02/03/the-strivers-were-right-all-along/
1•paulpauper•41m ago•0 comments

Brain Dumps as a Literary Form

https://davegriffith.substack.com/p/brain-dumps-as-a-literary-form
1•gmays•41m ago•0 comments
Open in hackernews

Show HN: Play Riichi Mahjong Online

https://online-riichi.com
3•cerpins•1mo ago
I'm presenting a website where you can play Riichi Mahjong (4p strategy and luck boardgame):

- Play Mahjong as a guest or registered user

- Invite other players or play against bots

- View your game history and publicly share it with others

- Use the hand calculator for scoring your offline games at https://online-riichi.com/score

The game client has been inspired by "online-go" which I really enjoyed playing on - it's simplistic but feels tactile and remains true to the "feel" of the game. I would like to achieve the same thing.

As part of preparing to share on HN and reading the posting guide, I've added a "Play as guest" button so you don't need an account to play.

Finally, my own selfish goal is to gather a small player base which I can develop features for. My question for HN is - how would you go about attracting users to this kind of project?

All is built with Postgres, Rust and Preact. Done as a pastime to work. I'm sharing it now because I promised myself to do so before the end of the year! I've added a discord link on the website, but you can also contact me at cerpinsmiks@gmail.com.

Merry Christmas!

Comments

boruto_uzumaki•1mo ago
Phone hacking
cerpins•1mo ago
huh?
fuzzfactor•1mo ago
Ghost of Questionable New Users Present ;)

You never know who's going to drop in and say humbug :\

Merry Christmas to you too.

This looks like the real Mahjong, very well done.

Back in the 1960's I played with old timers on a set that was antique back then, mostly bamboo but a few ivory pieces.

cerpins•1mo ago
hey! thanks for the comment! thought the post drowned, as it should on Christmas :) where did you come across mahjong players back in 1960? sounds like a good time.
fuzzfactor•1mo ago
Apparently some of the older ladies who had moved down from New York to South Florida had been playing it socially since World War II.

I got the idea they had been doing it in Europe beforehand, one was a Holocaust survivor.

They loved it when some of us teenagers took an interest and joined in. That was by the 1970's.