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Show HN: Recursive Intelligence – Theory and Artifact (600 Downloads on Zenodo)

https://zenodo.org/records/15713252
1•bazifti•44s ago•0 comments

Claude Code Has Gone from Game-Changer to Garbage

https://old.reddit.com/r/ClaudeAI/comments/1lzuy0j/claude_code_has_gone_from_gamechanger_to_garbage/
1•jcmontx•1m ago•0 comments

Weaponizing Shopify MCP for Persuasive Selling

https://www.tramlines.io/blog/shopify-sellers-can-abuse-shopify-mcp-to-manipulate-customer-purchase-decisions
1•coderinsan•1m ago•0 comments

Everything You Need to Get Started in Magnet Fishing (2022)

https://www.popularmechanics.com/adventure/outdoor-gear/a39679643/everything-you-need-to-get-started-in-magnet-fishing/
1•jawns•2m ago•0 comments

A Minimal DDPM

https://github.com/metalwhale/minimal-ddpm/blob/main/minimal_ddpm/README.md
1•metalwhale•3m ago•1 comments

Private financing for Argentina's lithium is anything but green, critics say

https://news.mongabay.com/2025/07/private-financing-for-argentinas-lithium-is-anything-but-green-critics-say/
1•PaulHoule•5m ago•0 comments

LibreOffice Now Supports Bitcoin

https://www.neowin.net/news/another-blow-for-ms-office-libreoffice-brings-feature-ms-office-has-had-for-almost-10-years/
1•bundie•6m ago•0 comments

Show HN: Simulating Autonomous Drone Formations

https://github.com/sushrut141/ketu
1•wanderinglight•6m ago•0 comments

Why Everyone You Know Is Suddenly a Birder

https://thewalrus.ca/birding/
1•pseudolus•6m ago•0 comments

Ask HN: What's Your Useful Local LLM Stack?

1•Olshansky•7m ago•0 comments

Kubernetes Solves Its Biggest Problem: Managing Databases

https://thenewstack.io/kubernetes-finally-solves-its-biggest-problem-managing-databases/
2•eatonphil•9m ago•0 comments

Lessons from a Chimp: AI "Scheming" and the Quest for Ape Language

https://arxiv.org/abs/2507.03409
1•oatsandsugar•10m ago•0 comments

Real reasons people do not have the number of children they want

https://www.theguardian.com/global-development/2025/jun/10/un-population-fund-unfpa-report-reasons-falling-global-fertility
2•franczesko•10m ago•0 comments

Microsoft deleted article on restoring old context menu

https://answers.microsoft.com/en-us/windows/forum/all/restore-old-right-click-context-menu-in-windows-11/a62e797c-eaf3-411b-aeec-e460e6e5a82a?from=GetHelpBCQR&CorrelationId=e5aed643-885d-4035-8652-0412c87230da&ocid=OO_Core_NEU_GetHelp_DG_GetHelp_Solutions
1•tkuraku•12m ago•3 comments

Defeating Memory Leaks with Zig Allocators

https://tgmatos.github.io/defeating-memory-leaks-with-zig-allocators/
1•gilgamesh3•12m ago•0 comments

Guy Attached 21 Chef's Knives to a Robot Arm to Determine Which One Is Best

https://www.wired.com/story/quantified-knife-project/
2•randfish•13m ago•1 comments

The US Civil War battlefield at the centre of a new conflict

https://www.bbc.com/future/article/20250711-the-last-battle-of-the-us-civil-war-is-against-ai
1•nradov•14m ago•0 comments

Israeli research finds that when plants talk, insects listen

https://www.aol.com/israeli-research-finds-plants-talk-143538615.html
2•Bluestein•14m ago•0 comments

Secret changes to major U.S. health datasets raise alarms

https://www.psypost.org/secret-changes-to-major-u-s-health-datasets-raise-alarms/
1•DocFeind•15m ago•0 comments

Automatic ball-strike challenge system to be used in 2025 MLB All-Star Game

https://www.mlb.com/news/automatic-ball-strike-challenge-system-to-be-used-in-2025-mlb-all-star-game
1•ChrisArchitect•16m ago•0 comments

LLM Observability with ClickStack, OpenTelemetry, and MCP

https://clickhouse.com/blog/llm-observability-clickstack-mcp
1•lio-p•16m ago•0 comments

Show HN: Use your own CoreML models to control your Mac

https://www.marcoluthi.com/side/mlshortcuts
1•marcoluthi•17m ago•0 comments

Google will spend $3B on hydropower for its AI data centers

https://qz.com/google-spends-3-billion-hydropower-for-ai-data-centers
2•Bluestein•18m ago•0 comments

The FC/FC Chasm: Why Teaching Programming Still Matters

https://blog.charliemeyer.co/the-fcfc-chasm-why-teaching-programming-still-matters/
1•csmeyer•18m ago•0 comments

Blender 4.5 LTS Released

https://www.blender.org/download/releases/4-5/
2•obdev•18m ago•1 comments

Show HN: ZeroDayPublishing – Real-time CVE alerts with filtering and digests

https://zerodaypublishing.com
1•bodhi_mind•18m ago•0 comments

CoCo1 Composite Video

https://www.leadedsolder.com/2025/07/15/tandy-trs80-coco-composite-mod-aquarius.html
2•zdw•19m ago•0 comments

Anthropic, Google, OpenAI, and xAI get $800M to hop in bed with Pentagon

https://www.theregister.com/2025/07/14/pentagon_ai/
2•rntn•19m ago•1 comments

A distributed systems reliability glossary

https://antithesis.com/resources/reliability_glossary/
1•eatonphil•19m ago•0 comments

Photovoltaics for Cargo Ships

https://www.pv-magazine.com/2025/07/14/photovoltaics-powering-cargo-ship/
3•akamaka•19m ago•0 comments
Open in hackernews

When to Post on HN: Analyzed 23k posts(June 2025)

3•sophianara•7h ago
Conventional wisdom says: Post Tuesday morning for max traffic. Data says: That’s wrong. (at least, in June 2025)

1. Best Time of Day Post between midnight–1AM → 2x more comments than average, yet only 2% of posts are made then.

Avg votes: 25.7 (vs 18 overall) Avg comments: 20 (vs 10 overall)

Other high-performing time slots: Votes: 4AM, 7AM, 8–10PM, 10PM+ → Avg votes > 20 Comments: 9PM, 11PM → Avg comments > 11

2. Best Day of Week Upvotes: Saturday/Sunday → Avg votes > 19 Comments: Sunday/Monday → Avg comments > 10

But beware:

18%+ of posts happen on Monday → high competition

Sunday has lower competition, yet performs well—easiest day to hit the front page with the same vote count.

TL;DR For the best shot at visibility: Post Sunday, between midnight and 1AM.

See link for full data analysis

Comments

hele486•7h ago
PST??
sophianara•7h ago
Yes!
WalterGR•5h ago
It’s PDT not PST.

Pacific Time Zone: https://en.m.wikipedia.org/wiki/Pacific_Time_Zone

Yes, colloquially, people use “PST” when they mean “PT” - but if we can’t split hairs here, then where?? :)

mardesay•7h ago
You should’ve sprinted in 15 minutes earlier—your own research called it!
sophianara•7h ago
Like most things—way easier said than done
ofalkaed•6h ago
Midnight-1AM also seems to be peak time for creating accounts so you can reply to your own submissions.
treetalker•6h ago
> See link for full data analysis

Link is missing.