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JumpStar is the world's strongest AI engine for Chinese Checkers

https://chinesecheckers.ai/chinese-checkers-ai
1•CharlesW•41s ago•0 comments

I fixed my buggy remote control for our Google Chromecast device

https://hunden.linuxkompis.se/2026/07/31/how-i-fixed-my-buggy-remote-control-for-our-google-chrom...
1•speckx•1m ago•0 comments

PrintCraft: Read, organize, combine, split, secure PDFs in a native app in Rust

https://getartcraft.com/apps/printcraft
1•rahimnathwani•1m ago•0 comments

CircuitRF: An open source EDA tool for RF design and simulation

https://github.com/potatobeanradio/circuitRF
1•1e1a•3m ago•0 comments

Show HN: RigMark benchmarks local AI the way coding agents use it

https://github.com/alexellis/rigmark
1•alexellisuk•4m ago•1 comments

Ncdu: NCurses Disk Usage

https://github.com/rcalixte/ncdu
1•ibobev•4m ago•0 comments

Protocol-Aware Recovery for Consensus-Based Storag [pdf]

https://www.usenix.org/system/files/conference/fast18/fast18-alagappan.pdf
1•ibobev•4m ago•0 comments

Show HN: Bringing a Billy Bass to Life with AI

https://twitter.com/MorgantWillis/status/2107463928196247843
1•mtw14•5m ago•0 comments

Show HN: Orbtile – See which AI coding agent needs you, on a Logitech keypad

https://orbtile.com/?s=hn
1•diogomendes•5m ago•0 comments

Why Continuations Are Coming to Java

https://www.infoq.com/presentations/continuations-java/
1•ibobev•5m ago•0 comments

DBison: A database workspace that stays out of the way

https://dbison.app/
1•thunderbong•5m ago•0 comments

IBM and Red Hat Remediate 400 Previously Unknown Open Source Vulnerabilities

https://newsroom.ibm.com/2026-10-06-ibm-and-red-hat-remediate-more-than-400-previously-unknown-op...
1•ilreb•6m ago•0 comments

Developer Survey 2026

https://survey.stackoverflow.co/2026
1•hk__2•6m ago•0 comments

Every US Electrical Outlet Explained

https://practical.engineering/blog/2026/9/15/every-us-electrical-outlet-explained
1•crescit_eundo•6m ago•0 comments

The L.A. people who record random sounds, from duck quacks to fax machines

https://www.latimes.com/lifestyle/story/2026-10-05/los-angeles-field-recording-club
1•rdmuser•8m ago•0 comments

Show HN: Screen Records – edit demo or how-to recordings with MCP

https://screenrecords.app/
1•littlebusywoman•8m ago•0 comments

Thousands of Exposed Systems in Europe's Wind Farms and Solar Parks

https://modat.io/blog/to-see-the-wind-and-the-sun/
1•vanschelven•10m ago•1 comments

Show HN: Plexavo – simplest way to find AWS misconfigurations and attack paths

https://github.com/plexavo/Plexavo
1•kavee-dev•10m ago•0 comments

A Calendar of Smells

https://worldsensorium.com/a-calendar-of-smells/
1•dnetesn•11m ago•0 comments

NewsGuard Launches First AI Chatbot Built to Deliver Trusted Journalism

https://www.newsguardtech.com/press/newsguard-launches-first-ai-chatbot-built-to-deliver-trusted-...
1•bariumbitmap•11m ago•0 comments

- I tried to build a WCAG-friendly iPhone calendar – please prove me wrong

https://testflight.apple.com/join/sKcmUdAq
1•marc0janssen•11m ago•0 comments

The Fossil Logic of the Industrial and AI Revolutions

https://blue-continuum.com/fossil-logic
1•dnetesn•12m ago•0 comments

Chinese Plug-In Hybrid SUV Was UK's Best Selling Car Last Month

https://insideevs.com/news/810819/jaecoo-7-uk-best-selling/
1•bookofjoe•12m ago•0 comments

States Can Cut Rules and Regulations–and Make It Stick Idaho's Two-Step Process

https://manhattan.institute/article/how-states-can-cut-rules-and-regulations-and-make-it-stick
1•djoldman•13m ago•0 comments

Observability Doesn't Have to Be Expensive

https://telemetrymachine.dev/blog/observability-doesnt-have-to-be-expensive
1•tmach32•13m ago•2 comments

Schools must be like gyms

https://www.freddyvega.com/p/schools-must-be-like-gyms
1•marcelo-earth•14m ago•0 comments

Show HN: I'm building an open-source Gong alternative (MIT)

https://github.com/Yz613/Sales-Coach
1•Yehudazahler•15m ago•0 comments

Test Driven Development in the AI Era [pdf]

https://monografias.dcc.ufmg.br/wp-content/uploads/TDD_in_the_AI_Era___POC_2-1.pdf
1•neogodless•16m ago•0 comments

Become Worthless (To Tech Companies)

https://www.coryd.dev/posts/2026/become-worthless-to-tech-companies
1•robin_reala•17m ago•0 comments

Show HN: Tinyhat, per-specialist memory for multi-agent Muse (open source)

https://github.com/tinyhat-ai/muse-office
1•Alireza_kh•17m 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/