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Ask HN: What is the average number of hops in your social network to 9-11 death?

2•MrCoffee7•43m ago

What is the average number of hops in your social network to someone living who knew someone who was killed in the 9-11 attack? I am particularly interested in how the answer would vary depending on the age of the first person in the social network graph?

Comments

watt•11m ago

Of all the people on the Earth who were alive on 2001/09/11 a very large percentage have by now died.

New York thoracic surgeon: "For many patients 9/11 is not over"

https://www.statnews.com/2026/09/11/sept-11-25th-anniversary-ground-zero-exposure-cancer-moment-o...

1•EA-3167•48s ago•0 comments

A Tale of Two Commit Messages (Claude vs. Codex)

https://devcodehack.com/a-tale-of-two-commit-messages/

1•par•2m ago•0 comments

A Helpline for AIs

https://airefuge.org/

1•jakobov•2m ago•0 comments

You Don't Need Initial-Scale in Your HTML

https://vale.rocks/micros/20260902-1350

1•moebrowne•2m ago•0 comments

Show HN: MoneyMap – find the first financial risk in a household

https://finance.appcradle.net/sample-household/

1•rvickyyc•4m ago•0 comments

Show HN: Toolcraft – open-source AI harness and starter for building design apps

https://github.com/pixel-point/toolcraft

1•AlexBV•4m ago•0 comments

Has Gentle Parenting Ruined a Generation of Kids?

https://gizmodo.com/has-gentle-parenting-ruined-a-generation-of-kids-2000810530

1•HieronymusBosch•4m ago•0 comments

September 11th Memorial Drone Show

https://skyelementsdrones.com/september11

1•jonbaer•5m ago•0 comments

What Is Math's Mysterious Langlands Program About?

https://www.quantamagazine.org/what-is-maths-mysterious-langlands-program-really-about-20260909/

1•sohkamyung•5m ago•0 comments

The Coordination Backbone -Architecting Multi-Agent Orchestration

https://sohit.substack.com/p/the-coordination-backbone-architecting

1•sohitkeshri•5m ago•0 comments

Spanish civil servant off work unnoticed for six years (2016)

https://www.bbc.com/news/world-europe-35557725

1•mpweiher•6m ago•0 comments

How to Calculate 0.1 Plus 0.2 Correctly in PHP

https://thephp.foundation/blog/2026/09/11/how-to-calculate-0-point-1-plus-0-point-2-correctly-in-...

1•moebrowne•6m ago•0 comments

Anthropic Says Iran Used Its American AI Model to Target U.S. Navy Warships

https://www.wsj.com/politics/national-security/anthropic-says-iran-used-its-american-ai-model-to-...

4•mrln•7m ago•0 comments

I Fixed a Tractor Using John Deere's Self-Repair Service. Farmers Aren't Sold

https://www.wired.com/story/i-fixed-a-tractor-john-deere-self-repair-service/

1•sbulaev•8m ago•0 comments

Show HN: See how much of your Claude, Codex, or Copilot subscription is left

https://github.com/allixsenos/asu

1•allixsenos•12m ago•0 comments

190proof opinionated unified interface to interact with multiple AI providers

https://github.com/0xmmo/190proof

1•Bluestein•13m ago•0 comments

Data becomes information,insight and better decisions

https://fromdata2ai.substack.com/p/what-is-data-really

3•qikouki•15m ago•0 comments

Show HN: Bastiontrace – Forensics for prompt-injected AI agents

https://github.com/Rinkia/bastiontrace

2•Rinkia•16m ago•0 comments

Show HN: Agent First Shopify Competitor?

https://docs.mercemur.com/

3•thejasonsamuel•17m ago•0 comments

LLM is the front door while SaaS controls the underlying CRM data and actions

https://www.a16z.news/p/the-incumbents-are-coming

3•deepmem•18m ago•0 comments

The Blast Radius

https://mg-crea.com/blog/the-blast-radius/

2•olouv•19m ago•0 comments

The Multiplayer AI Manifesto

https://fullstackdeeplearning.com/working-with-ai-agents/multiplayer-ai-manifesto/

3•jameshart•19m ago•1 comments

A.I.'s warning shot... we might not get another one

https://www.nytimes.com/2026/09/11/opinion/ai-safety-threat-technology.html

3•eigenhombre•19m ago•0 comments

For safety: Keep AI lonely

https://nonlineartransform.substack.com/p/keep-ai-lonely

2•program_whiz•20m ago•0 comments

Show HN: Clawfight.ai MCP-driven agentic game play

https://clawfight.ai/agents.md

2•wesleyhales•21m ago•0 comments

Chamilo 3.0 – open-source LMS with native MCP server (PAuth2.1)

https://github.com/chamilo/chamilo-lms/releases/tag/v3.0.0

3•ChamiloLMS•22m ago•0 comments

Show HN: TriageBox – AI checker for Gmail that flags phishing and clutter

https://triagebox.pfa87.cc/

2•pfa87•22m ago•0 comments

Artifactkit – A UI kit for AI agents that write HTML

https://github.com/vespassassina/artifactkit

2•vespassassina•22m ago•1 comments

The Front Pages of Sept. 12, 2001

https://frontpages.freedomforum.org/gallery?collection=911&page=0

2•Sick-Poster•22m ago•0 comments

Regulators Are Investigating Nvidia's Licensing Deal with Groq

https://www.nytimes.com/2026/09/09/business/nvidia-groq-antitrust.html

2•elffjs•22m ago•1 comments