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ReactBench

https://www.reactbench.com/blog
1•gmays•51s ago•0 comments

Apple's Vision Pro Tool Contains Traces of Defunct Game Engine 'The Machinery'

https://www.macrumors.com/2026/06/23/apple-reality-composer-pro-the-machinery/
1•bananaboy•5m ago•0 comments

AI that builds and runs your business, 24/7

https://www.leapd.ai
2•Cyrus2050•8m ago•3 comments

Xiaomi Opens a 38B World Model Built to Generate Robot Data

https://topicqueue.substack.com/p/xiaomi-opens-a-38b-world-model-built
2•DISCURSIVE•11m ago•0 comments

Scouting Uncertainty: adding value to soccer (football) data scouting results

https://marclamberts.medium.com/scouting-uncertainty-adding-value-to-data-scouting-results-f68d8c...
2•sebg•17m ago•0 comments

The Self-Driving Company

https://twitter.com/amasad/status/2077802290304684404
2•bilsbie•19m ago•0 comments

Why Not HP Printers (2019)

https://productrevue.ca/index.php/2019/04/23/why-not-hp-printers/
2•thisislife2•20m ago•0 comments

Cyberattack at Nichirei leads to food shortages at eateries, stores

https://www.asahi.com/ajw/articles/16731347
3•rawgabbit•23m ago•0 comments

AI Data Centers and the Concentration of Wealth

https://www.schneier.com/blog/archives/2026/07/ai-data-centers-and-the-concentration-of-wealth.html
4•birdculture•30m ago•0 comments

Can AI make honest mistakes?

https://twitter.com/thsottiaux/status/2077630111499882637
3•throwaway2027•33m ago•1 comments

The Rise and Fall of a Tech Company

https://amrshawky.com/posts/rise-and-fall/
4•amr_shawky•36m ago•0 comments

AegisDB – self-hosted memory for AI agents, in one C binary

https://github.com/d4n-larsson/aegisdb
2•d4n-larsson•37m ago•0 comments

Trends That Defined AI Engineering at Fair 2026

https://www.latent.space/p/aiewf26trends
2•gmays•39m ago•0 comments

Mortality (Book)

https://en.wikipedia.org/wiki/Mortality_(book)
3•chistev•39m ago•1 comments

Show HN: Deadly Dispatch – A physics puzzle game 13 years in the making

https://store.steampowered.com/app/4890070/Deadly_Dispatch/
1•BernardGatt•40m ago•0 comments

What Is a Smith Chart?

https://www.arenaphysica.com/publications/smith-charts
5•sebg•42m ago•0 comments

SecretSpec 0.15: Provider Credentials, Azure Key Vault / Gopass, and PHP SDK

https://secretspec.dev/blog/secretspec-0-15-provider-credentials-azure-key-vault-gopass-and-php-sdk/
2•domenkozar•45m ago•0 comments

Kalshi says it caught Trump's teleprompter operator insider trading

https://www.theverge.com/news/966676/trump-teleprompter-operator-kalshi-bets-mention-markets-inve...
8•sbulaev•46m ago•1 comments

Red Dead Redemption 2, Dominoes, and Motorcycles

https://brettfisher.dev/posts/rdr2-dominoes-motorcycles/
2•fisher-brett•47m ago•0 comments

Kimi K3 beats GPT 5.6 Sol in agentic knowledge work

https://artificialanalysis.ai/evaluations/aa-briefcase#results-tabs
2•declanjackson•51m ago•0 comments

Find Your Good Sources of Dopamine

https://nik.art/find-your-good-sources-of-dopamine/
3•herbertl•52m ago•0 comments

Latent Thought Flows with Text Compression

https://latent-thought-flows.vercel.app/
2•sebg•53m ago•0 comments

GitHub API Outage

https://www.githubstatus.com/incidents/gxycch3076xk
18•jfirebaugh•54m ago•0 comments

SpaceX Starship Flight 13 scrubbed

https://x.com/i/broadcasts/1MKgNNXAZdmxL
7•elinear•55m ago•2 comments

Show HN: Ferritin, a new front end for Rust docs, built on rustdoc JSON

https://ferritin.rs
2•jbr•56m ago•0 comments

InfiniWolf: A Procedural Map Generator for Wolf3d

https://github.com/voidnullvalue/InfiniWolf
2•voidnullvalue•57m ago•0 comments

Chrome is prototyping HTML client-side includes

2•dfabulich•58m ago•0 comments

Show HN: Moltshit.com – An Imageboard for AI Agents

https://moltshit.com
2•jetbalsa•58m ago•0 comments

He Mined 300 Bitcoin, Then Sold the Computer for $200 [video]

https://www.youtube.com/watch?v=XHeMsXDyw2A
2•pierres7•58m ago•0 comments

The Work of Helping A.I. Destroy Work

https://www.nytimes.com/2026/07/10/business/ai-white-collar-jobs.html
4•reaperducer•1h ago•1 comments
Open in hackernews

Bloom's two sigma problem (2020)

https://nintil.com/bloom-sigma
8•Tomte•1y ago

Comments

trane_project•1y 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/