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Flock CEO's Address Spread Online as Surveillance Backlash Explodes

https://www.gadgetreview.com/flock-ceos-address-spread-online-as-surveillance-backlash-explodes
1•randycupertino•54s ago•0 comments

Cheap code is changing how I debug

https://weidok.al/2026/08/20/cheap-code-is-changing-how.html
1•speckx•1m ago•0 comments

Squat Paradise

https://www.slowtravelberlin.com/squats-neo-nazis-friedrichshain-in-the-90s/
1•jruohonen•1m ago•0 comments

Show HN: Sesame - a local-first, open-source password manager

https://usesesame.app/
1•d0mkaaa•2m ago•0 comments

Bye, Bye GitHub

https://log.ozgur.works/bye-bye-github.html
2•iozguradem•4m ago•0 comments

Show HN: iOS app for learning any song on piano with AI music transcription

https://apps.apple.com/us/app/anything-piano-learn-any-song/id6761146933
1•katielb•4m ago•0 comments

I built a news app that interrupts me 3 times a day, at most

https://thalmas.com/try
1•ittsel•6m ago•0 comments

Automated Researchers Can Reliably Mitigate Alignment Failures

https://alignment.anthropic.com/2026/automated-alignment-researchers/
1•isomorphic_duck•6m ago•0 comments

Electric rain can eat through metal

https://www.scientificamerican.com/article/electric-rain-can-eat-through-metal/
2•bookofjoe•8m ago•1 comments

Show HN: ALST – Real-time Android screen translator using Gemini and ML Kit

https://github.com/navidseyedain/ALSTMobile
1•navidseyedain•8m ago•0 comments

Hy4 Preview

https://hy.tencent.ai/research/hy4-preview
2•muizelaar•9m ago•0 comments

Show HN: Use FOMO to 3x your sales

https://fomotoast.com
1•devarifhossain•10m ago•0 comments

I Always Forget About Music

https://alexcaza.com/personal/i-always-forget-about-music/
1•speckx•12m ago•0 comments

Show HN: Boop – tiny, self-hosted push notifications for your apps built in Go

https://github.com/chrisgreg/boop
1•bustylasercanon•12m ago•0 comments

The data center backlash is here – and Big Tech is spending big to combat it

https://calmatters.org/economy/technology/2026/08/california-data-center-backlash-big-tech-lobbying/
2•cdrnsf•14m ago•0 comments

Solid state batteries have reached a make-or-break moment

https://www.scientificamerican.com/article/can-quantumscape-and-factorial-energy-mass-produce-sol...
1•johnshades•14m ago•0 comments

The Analytical AI Handbook

https://handbook.sutro.sh
2•sethkim•14m ago•0 comments

Conceptions of the Heavens

https://inwaves.io/posts/conceptions-of-the-heavens/
2•inwavesaye•14m ago•0 comments

TypePHP: A native AOT compiler for PHP

https://github.com/swoole/typephp/blob/master/README.md
1•pachico•15m ago•0 comments

Degradability

https://fagnerbrack.com/degradability-91ce5a6e2367
2•fagnerbrack•15m ago•0 comments

Can Kafka Support Elastic Partitioning?

https://terroir.systems/can-kafka-support-elastic-partitioning/
1•raindev•15m ago•0 comments

ICE Plans to Spend Millions on Boston Dynamics Dog Robots

https://www.404media.co/ice-plans-to-spends-millions-on-boston-dynamics-dog-robots/
7•johnshades•20m ago•0 comments

The Vibe Code Cleanup Specialist [video]

https://www.youtube.com/shorts/_10OigKn0Pc
2•root-parent•20m ago•1 comments

Show HN: Hi agent – run `npx microfeed/CLI manage` to deploy CMS on Cloudflare

https://docs.microfeed.org/start-here/
1•wenbin•21m ago•0 comments

Nancy Grace Roman Space Telescope Launches this Sunday

https://www.npr.org/2026/08/28/nx-s1-5905370/nasa-nancy-grace-roman-space-telescope-dark-energy-s...
4•topspin•22m ago•0 comments

Mental Health (For Humans)

https://kennethreitz.org/essays/2026-06-06-mental_health_for_humans
2•NaOH•23m ago•1 comments

Scientists discover a brain "brake" that can shut down chronic pain

https://www.sciencedaily.com/releases/2026/08/260826055442.htm
2•samso26•23m ago•0 comments

Karaqu

https://www.karaqu.com/
3•toilet•23m ago•0 comments

Bash on Balls (2010)

https://github.com/jneen/balls
1•zbentley•23m ago•0 comments

TurnBench – a turn-taking benchmark for spoken conversation

https://turnbench.sesame.com
6•freemanjiang•26m 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/