Hacker News

Article URL: https://www.ascendaflow.com/waterline

Comments URL: https://news.ycombinator.com/item?id=50037448

Points: 1

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Article URL: https://www.aliencrashsite.org

Comments URL: https://news.ycombinator.com/item?id=50037444

Points: 1

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Article URL: https://github.com/dbt-labs/dbt

Comments URL: https://news.ycombinator.com/item?id=50037440

Points: 1

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Article URL: https://github.com/corbenicai/galahad

Comments URL: https://news.ycombinator.com/item?id=50037428

Points: 2

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Article URL: https://www.worm-app.com/https://www.dupepit.com/

Comments URL: https://news.ycombinator.com/item?id=50037415

Points: 1

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Article URL: https://www.youtube.com/watch?v=tqlvdPLsWD4

Comments URL: https://news.ycombinator.com/item?id=50037408

Points: 2

# Comments: 1

Black Hole Lab is an open source physics simulation of a rotating black hole and two observers, Alice and Bob. You can launch Alice and Bob on paths around or into the black hole and watch events play out. The simulation lets you see a slice of the physics with one or two dimensions of space plus one of time.

As a fun extra, Alice and Bob each have a beacon that can transmit a radio wave in all directions. The simulation calculates and shows the wavefront of these signals, accounting for the warping of space and time by the black hole. The simulation also records whenever Alice and Bob receive each other's transmission.

The simulation takes pains to respect Einstein's equations of general relativity. To the precision of the numerical integration, the effects shown in Black Hole Lab are really what the math of general relativity says will happen. Black Hole Lab specifically uses the Kerr metric, which is an exact solution to Einstein's equations of general relativity for a rotating mass. That said, physicists agree that general relativity cannot be the final word on black hole physics. Nobody can say what would really happen to Alice and Bob.

My original goal for black hole lab was to try to understand the strange time compression effects at the inner horizon, which physicists call infinite blueshift. IMHO, Black Hole Lab succeeds in showing this effect in an understandable way. I added a specific discussion of infinite blueshift in the readme.

Comments URL: https://news.ycombinator.com/item?id=50037364

Points: 2

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Article URL: https://mazeez.dev/posts/hitex-2026/

Comments URL: https://news.ycombinator.com/item?id=50037363

Points: 1

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Article URL: https://higher-borel-jets.grok.me/

Comments URL: https://news.ycombinator.com/item?id=50037353

Points: 1

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Article URL: https://duckdb.org/2026/08/25/how-duckdb-runs-recursive-ctes-faster

Comments URL: https://news.ycombinator.com/item?id=50037302

Points: 2

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Article URL: https://www.bleepingcomputer.com/news/security/hackers-abuse-google-ads-bing-redirects-to-push-claude-clickfix-attacks/

Comments URL: https://news.ycombinator.com/item?id=50037299

Points: 7

# Comments: 4

Article URL: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=7562258

Comments URL: https://news.ycombinator.com/item?id=50037295

Points: 1

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Article URL: https://github.com/dimonomid/montray/

Comments URL: https://news.ycombinator.com/item?id=50037289

Points: 1

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Hello, I fed with the AI Generated PRs so I built this PR Manager to help me review the PRs using Coding Agents. It sits on menu bar on macOS and has various lifecycle actions of PRs.

feedbacks are welcome.

Github Repo: https://github.com/vs4vijay/prx

Comments URL: https://news.ycombinator.com/item?id=50036814

Points: 1

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Article URL: https://www.politico.com/news/2026/10/10/trump-zelenskyy-russia-ukraine-01115841

Comments URL: https://news.ycombinator.com/item?id=50036806

Points: 2

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Article URL: https://zenodo.org/records/23132717

Comments URL: https://news.ycombinator.com/item?id=50036803

Points: 1

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I literally saw a multi million funded startup build an AI model for Android devices and tout it as their best achievement. I put a 32M parameter looped model on ESP32, an 8MB chip. I have three different softwares in production right now. I just don't understand what I am doing wrong. How are these guys getting so much money?

Comments URL: https://news.ycombinator.com/item?id=50036791

Points: 1

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Reading does not always guarantee retention, especially for complex materials. So I created this tool that extracts the concepts and teaches them back to you (and then tests you as much as you need) so you can really learn the study material. This is a local project (hosted option coming soon) and it works for EPUB, PDF books or online HTML pages.

Comments URL: https://news.ycombinator.com/item?id=50036777

Points: 1

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Article URL: https://whyy.org/episodes/oksana-masters-went-from-chernobyl-to-the-paralympic-podium/

Comments URL: https://news.ycombinator.com/item?id=50036749

Points: 1

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Article URL: https://www.understandingrobots.org/p/openais-astra-model-is-shockingly

Comments URL: https://news.ycombinator.com/item?id=50036740

Points: 1

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