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Show HN: Cutaway 1.3 – An handy, open-source, basic image editor

1•J_cst•6s ago•0 comments

Show HN: Cool Concepts

https://mkornreich.me/projects/coolconcepts/
1•enjoyyourlife•16s ago•0 comments

Show HN: Assemble context for analytics agents from schemas, SQL and docs

https://github.com/GetCassis/ontology-bootstrap
1•matthieu_bl•1m ago•1 comments

I built my AI squad with Grok Bot and I had my most productive Saturday

https://jtemporal.com/i-built-my-ai-squad-in-grok-bot/
1•jesstemporal•2m ago•0 comments

My corpus made me do it

https://substack.com/@hollisrobbins/note/c-326538324
1•HR01•4m ago•0 comments

Babashka Gets FFI

https://blog.michielborkent.nl/babashka-ffi.html
1•doubleg•5m ago•0 comments

Google Maps Showing 'Lake America' in U.S.

https://www.macrumors.com/2026/08/31/google-maps-lake-america/
2•hmokiguess•5m ago•0 comments

Programmatic Codeowners Edits

https://github.com/jordonpeterson/codeowners-tool
1•jordonzpeterson•5m ago•0 comments

We tested how AI chatbots would handle foreign propaganda

https://www.npr.org/2026/08/30/nx-s1-5876436/chatbots-search-propaganda
1•brandonb•6m ago•0 comments

Why can't you combine .tar.gz files with cat?

https://alexwlchan.net/2026/cat-confusion/
1•surprisetalk•6m ago•0 comments

Show HN: Linux server management over SSH – written in Rust and Tauri

https://serverbox.stupidlabs.lol/
1•freakynit•6m ago•0 comments

ChatGPT, Reddit and Roblox land in the DSA's strictest supervision tier

https://tokenstead.ai/guides/dsa-designates-chatgpt-reddit-roblox
1•cdnsteve•6m ago•0 comments

Gerda: German Election Database

https://www.german-elections.com/
1•Tomte•7m ago•0 comments

Pocket's AI made my game ideas real. Now Meta controls the results

https://arstechnica.com/gaming/2026/08/pockets-ai-made-my-game-ideas-real-now-meta-controls-the-r...
1•sohkamyung•7m ago•0 comments

We Are Rebuilding Monica

https://www.monicahq.com/en/blog/we-are-rebuilding-monica/
1•robinhood•9m ago•0 comments

Show HN: DogLM – Can you pet the dog in an AI-generated game?

https://mikeushakov.github.io/doglm/
2•mikeushakov•9m ago•1 comments

Early signs of enshitificiation: Paid promotion on Spotify song radio playlists

https://www.spotify.com/us/safetyandprivacy/understanding-recommendations/plain
3•waylandsmithers•10m ago•1 comments

Show HN: KanVibe – Git worktree and tmux Kanban board for AI CLIs, now Electron

https://github.com/rookedsysc/kanvibe
1•rookedsysc•11m ago•0 comments

Sonic the Hedgehog Amiga Demo Is Out [video]

https://www.youtube.com/watch?v=B3htbBw-zlg
1•doener•11m ago•0 comments

Can a voice agent tell "mmhm" from an interruption?

https://izmailov.dev/blog/smart-conversation
1•izanton•11m ago•1 comments

Show HN: Cut List Studio – A fast, private, client-side 2D/1D sheet optimizer

https://www.s0lve.it/tools/cutlist.html
1•Anfernee12345•11m ago•0 comments

We are all juniors again

https://blog.arkency.com/we-are-all-juniors-again/
1•dotRex•13m ago•0 comments

Creating Backup Storage Sucks

https://smarmelling.com/posts/creating-backup-storage-sucks.html
1•smarmelling•13m ago•0 comments

Fractal Jittered Voronoi Partitions

https://www.boristhebrave.com/2026/08/29/fractal-jittered-voronoi-partitions/
1•ibobev•13m ago•0 comments

OpenAI's ad business hits $1B annualized revenue run rate

https://www.cnbc.com/2026/08/31/open-ai-chatgpt-ads-revenue.html
1•thm•13m ago•0 comments

Bevy's Sixth Birthday – Lighting and Libraries

https://jms55.github.io/posts/2026-08-29-bevy-sixth-birthday/
1•ibobev•13m ago•0 comments

Leaked Corporate AWS Keys Held Full Admin Rights

https://trufflesecurity.com/blog/leaked-corporate-aws-keys-held-full-admin-rights
1•speckx•13m ago•0 comments

Spectrum Shooting Gallery: Taking Back What We've Learned

https://bumbershootsoft.wordpress.com/2026/08/29/spectrum-shooting-gallery-taking-back-what-weve-...
1•ibobev•13m ago•0 comments

Anthropic sued over alleged theft of 'thousands' of songs

https://www.theguardian.com/business/2026/aug/31/aanthropic-sued-alleged-theft-songs-ai-train-claude
2•13years•14m ago•0 comments

Gordonstoun School pupils discover '1000-year-old Viking church'

https://news.sky.com/story/gordonstoun-school-pupils-discover-1-000-year-old-viking-church-13579360
1•austinallegro•14m ago•0 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/