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Networks Hold the Key to a Decades-Old Problem About Waves

https://www.quantamagazine.org/networks-hold-the-key-to-a-decades-old-problem-about-waves-20260128/
15•makira•3h ago

Comments

thaumasiotes•1h ago
> one of graph theory’s most central questions. The “MaxCut” problem is about the optimal way to cut a graph into two parts so that there are as many edges as possible connecting the parts.

Wikipedia agrees with this definition of the max-cut problem. But it surprises me, since the max-flow min-cut theorem refers to cuts in a weighted graph. (Where the min-cut is the cut of minimum weight.)

This is the same thing as minimum edge count if you apply it to an unweighted graph. But as far as wikipedia says, the "max-cut" problem is specifically about edge count, and the generalization to a weighted graph is called the "weighted max-cut problem". Why the difference?

Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT

https://openai.com/index/retiring-gpt-4o-and-older-models/
88•rd•1h ago•92 comments

Project Genie: Experimenting with infinite, interactive worlds

https://blog.google/innovation-and-ai/models-and-research/google-deepmind/project-genie/
325•meetpateltech•5h ago•168 comments

PlayStation 2 Recompilation Project Is Absolutely Incredible

https://redgamingtech.com/playstation-2-recompilation-project-is-absolutely-incredible/
82•croes•3h ago•18 comments

Claude Code daily benchmarks for degradation tracking

https://marginlab.ai/trackers/claude-code/
447•qwesr123•8h ago•234 comments

Drug trio found to block tumour resistance in pancreatic cancer

https://www.drugtargetreview.com/news/192714/drug-trio-found-to-block-tumour-resistance-in-pancre...
163•axiomdata316•6h ago•71 comments

Compressed Agents.md > Agent Skills

https://vercel.com/blog/agents-md-outperforms-skills-in-our-agent-evals
34•maximedupre•9h ago•20 comments

Launch HN: AgentMail (YC S25) – An API that gives agents their own email inboxes

95•Haakam21•5h ago•112 comments

Flameshot

https://github.com/flameshot-org/flameshot
46•OsrsNeedsf2P•2h ago•13 comments

Europe’s next-generation weather satellite sends back first images

https://www.esa.int/Applications/Observing_the_Earth/Meteorological_missions/meteosat_third_gener...
628•saubeidl•15h ago•89 comments

The Hallucination Defense

https://niyikiza.com/posts/hallucination-defense/
22•niyikiza•2h ago•56 comments

The Value of Things

https://journal.stuffwithstuff.com/2026/01/24/the-value-of-things/
28•vinhnx•4d ago•10 comments

County pays $600k to pentesters it arrested for assessing courthouse security

https://arstechnica.com/security/2026/01/county-pays-600000-to-pentesters-it-arrested-for-assessi...
197•MBCook•3h ago•83 comments

Show HN: Kolibri, a DIY music club in Sweden

https://kolibrinkpg.com/
14•EastLondonCoder•5h ago•5 comments

My Mom and Dr. DeepSeek (2025)

https://restofworld.org/2025/ai-chatbot-china-sick/
105•kieto•3h ago•68 comments

A lot of population numbers are fake

https://davidoks.blog/p/a-lot-of-population-numbers-are-fake
200•bookofjoe•8h ago•191 comments

Reflex (YC W23) Senior Software Engineer Infra

https://www.ycombinator.com/companies/reflex/jobs/Jcwrz7A-lead-software-engineer-infra
1•apetuskey•5h ago

How to choose colors for your CLI applications (2023)

https://blog.xoria.org/terminal-colors/
132•kruuuder•7h ago•76 comments

EmulatorJS

https://github.com/EmulatorJS/EmulatorJS
73•avaer•6d ago•11 comments

Waymo robotaxi hits a child near an elementary school in Santa Monica

https://techcrunch.com/2026/01/29/waymo-robotaxi-hits-a-child-near-an-elementary-school-in-santa-...
223•voxadam•8h ago•400 comments

Apple buys Israeli startup Q.ai

https://techcrunch.com/2026/01/29/apple-buys-israeli-startup-q-ai-as-the-ai-race-heats-up/
58•ishener•1h ago•10 comments

Is the RAM shortage killing small VPS hosts?

https://www.fourplex.net/2026/01/29/is-the-ram-shortage-killing-small-vps-hosts/
74•neelc•6h ago•81 comments

iPhone 16 Best-Selling Smartphone in 2025; Apple Takes 7 Spots in Top Models

https://counterpointresearch.com/en/insights/iphone-16-worlds-best-selling-smartphone-in-2025-app...
43•TMWNN•1h ago•56 comments

Box64 Expands into RISC-V and LoongArch territory

https://boilingsteam.com/box64-expands-into-risc-v-and-loong-arch-territory/
21•ekianjo•4d ago•2 comments

Automating Image Compression

https://www.ramijames.com/thoughts/on-automating-image-compression
10•ramijames•2d ago•0 comments

US cybersecurity chief leaked sensitive government files to ChatGPT: Report

https://www.dexerto.com/entertainment/us-cybersecurity-chief-leaked-sensitive-government-files-to...
347•randycupertino•6h ago•183 comments

Deep dive into Turso, the "SQLite rewrite in Rust"

https://kerkour.com/turso-sqlite
84•unsolved73•7h ago•78 comments

Run Clawdbot/Moltbot on Cloudflare with Moltworker

https://blog.cloudflare.com/moltworker-self-hosted-ai-agent/
115•ghostwriternr•7h ago•43 comments

AI's impact on engineering jobs may be different than expected

https://semiengineering.com/ais-impact-on-engineering-jobs-may-be-different-than-initial-projecti...
58•rbanffy•4h ago•113 comments

Usenet personality

https://en.wikipedia.org/wiki/Usenet_personality
52•mellosouls•3d ago•25 comments

C++ Modules Are Here to Stay

https://faresbakhit.github.io/e/cpp-modules/
63•faresahmed•5d ago•63 comments