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Global Flood Hub by Google

https://sites.research.google/floods/
1•teleforce•53s ago•0 comments

Ninth Circuit Guts California's Kids Code Once Again

https://www.techdirt.com/2026/03/13/ninth-circuit-guts-californias-kids-code-once-again/
2•hn_acker•2m ago•0 comments

Did I photograph the Aurora or was it something else? (2016)

https://wp.lancs.ac.uk/aurorawatchuk/2016/03/16/did-i-photgraph-the-aurora-or-was-it-something-else/
1•susam•4m ago•0 comments

What changes happen in the aging brain?

https://www.salk.edu/news-release/what-changes-happen-in-the-aging-brain/
2•hhs•6m ago•0 comments

Email as the Context Substrate for Ambient AI Agents

https://revo.ai/blog/email-context-substrate-ambient-ai-agents
1•mehdidjabri•6m ago•0 comments

Probabilistic Machine Learning: An Introduction

https://probml.github.io/pml-book/book1.html
1•teleforce•6m ago•0 comments

The Perfect Weapon: David E. Sanger (2021) [video]

https://www.youtube.com/watch?v=jR6lGSIQbRQ
1•abdelhousni•6m ago•1 comments

Generate tests from GitHub pull requests

2•Aamir21•8m ago•0 comments

Anti-ICE protesters accused of being part of Antifa found guilty of terrorism

https://www.theguardian.com/us-news/2026/mar/13/texas-terrorism-trial
3•gizzlon•8m ago•1 comments

IRS System for Sharing Data Would Accept ‘Don’t Care 12345’ as Valid Address

https://www.techdirt.com/2026/03/13/the-irss-verification-system-for-sharing-taxpayer-data-with-i...
1•hn_acker•10m ago•1 comments

NASA shows how Sahara desert dust spread all over Europe

https://www.popsci.com/environment/sahara-dust-spread-europe/
2•Brajeshwar•11m ago•0 comments

Show HN: EdgeWhisper – On-device voice-to-text for macOS (Voxtral 4B via MLX)

https://edgewhisper.com
2•raphaelmansuy•12m ago•0 comments

Google sells Fiber stake to Astound, becomes minority owner

https://www.cnbc.com/2026/03/11/google-sells-partial-stake-in-fiber-becomes-minority-owner-in-ven...
2•abawany•17m ago•0 comments

I Found 39 Algolia Admin Keys Exposed Across Open Source Documentation Sites

https://benzimmermann.dev/blog/algolia-docsearch-admin-keys
16•kernelrocks•17m ago•1 comments

From model to agent: Equipping the Responses API with a computer environment

https://openai.com/index/equip-responses-api-computer-environment/
1•vinhnx•17m ago•0 comments

Show HN: PrepFile – AI interview prep briefs from your job description

https://prepfile.work/
1•taureanhall•19m ago•2 comments

What signals do experienced affiliates use to evaluate products?

2•Videostarlord•20m ago•0 comments

Google is using old news reports and AI to predict flash floods

https://techcrunch.com/2026/03/12/google-is-using-old-news-reports-and-ai-to-predict-flash-floods/
2•gmays•21m ago•0 comments

NASA aims for April moon launch with Artemis astronauts

https://apnews.com/article/nasa-artemis-moonshot-launch-d4cee0936115bb4d995272f7e1b921c4
1•gmays•26m ago•0 comments

The Artificial Self

https://theartificialself.ai
1•vinhnx•26m ago•0 comments

Lobbying records for age verification bills traced in removed Reddit post

https://web.archive.org/web/20260313090844/https://old.reddit.com/r/linux/comments/1rshc1f/i_trac...
3•zahlman•28m ago•0 comments

Found AI tool that keeps you from getting dumb

https://www.oddity1.com
2•JoonSPP•30m ago•1 comments

Bringing Software Development Best Practices to PhD-Level Neuroscience Research

https://ideas.tbrianjones.com/posts/2026-03-08-research-engineering/
1•bjones•35m ago•1 comments

Google Fiber will be sold to private equity firm and merge with cable company

https://arstechnica.com/tech-policy/2026/03/google-fiber-will-be-sold-to-private-equity-firm-and-...
8•waits•41m ago•0 comments

Drone strikes in Haiti that killed 1250, 17 children, condemned by rights group

https://haitiantimes.com/2026/03/11/hrw-condemns-haiti-drone-strikes-killing-children/
7•e12e•41m ago•0 comments

Show HN: Open-Source Perplexity Comet and ChatGPT Atlas

https://github.com/copycat-main/browser-assistant
3•a8hi•41m ago•0 comments

Enhanced rock weathering is not yet a reliable climate protection measure

https://phys.org/news/2026-02-weathering-reliable-climate.html
2•PaulHoule•44m ago•0 comments

The forsaken world of Windows Task Scheduler

https://ssg.dev/the-forsaken-world-of-windows-task-scheduler/
1•sedatk•46m ago•0 comments

Ask HN: Why isn't there an open-source model trained by the community?

5•mittermayr•46m ago•3 comments

Met chief gives phone firms deadline over thefts

https://www.bbc.com/news/articles/c77egvep8mdo
1•Cider9986•46m ago•0 comments
Open in hackernews

Bloom's two sigma problem (2020)

https://nintil.com/bloom-sigma
8•Tomte•9mo ago

Comments

trane_project•9mo ago
> Nonetheless, Bloom was on to something: Tutoring and mastery learning do have a degree of experimental support, and fortunately it seems that carefully designed software systems can completely replace the instructional side of traditional teaching, achieving better results, on par with one to one tutoring. However, designing them is a hard endeavour, and there is a motivational component of teachers that may not be as easily replicable purely by software.

I've been working on an implementation of mastery learning and other related techniques called Trane (https://github.com/trane-project/trane/) for the past three years or so. Mastery learning is the main one, but it also integrates spaced repetition, interleaving, mixing difficulties, and reward propagation (doing well or bad in an exercise affects how related exercises are scheduled).

I think it works pretty well, but you need to pair it with proper pedagogy of the skill you want to learn and the proper curriculum. The latter is the hardest part, so it's being my main limitation. I've used some external resources to build courses, and they work well, but obviously it would work much better with a full curriculum built from the ground up.

Currently working on Pictures Are For Babies (https://picturesareforbabies.com/), which is meant to do just that for literacy. I am hoping to do a first release soon. As for the motivation angle, the solution in this particular instance is fairly simple. Use the software to enforce scheduling andpedagogy,y and a human tutor to provide emotional and social support. This division allows any literate person to become an effective tutor with a few hours of training.

I am hoping that the average student can complete the whole curriculum in five years. That would mean that (assuming they start at between 4 and 5 years old), the average student would have college-level reading and writing skills by the time they are nine or ten.

Most complete explanation so far is in the pedagogy page: https://picturesareforbabies.com/home/pedagogy/