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Pg_durable: Microsoft open sources in-database durable execution

https://github.com/microsoft/pg_durable
1•coffeemug•16s ago•0 comments

P=NP

https://github.com/TiruArt/Pedigree-Polytopes-Lean4
1•carlsverre•26s ago•0 comments

Public transport network partially shut–down bosses forgot to pay internet bill

https://www.dailymail.com/news/article-15876799/san-francisco-bart-shutdown-clipper-internet-bill...
1•Bender•1m ago•1 comments

Here's why I created a travel website for robots

https://alexpanetta.substack.com/p/heres-why-i-created-a-travel-website
1•throw0101a•3m ago•0 comments

Tips to get the most out of OpenCode

https://byandrev.dev/en/blog/10-best-practices-for-opencode
1•mcormik•4m ago•0 comments

Flood of AI 'garbage' is pushing open-source developers to the limit

https://www.newscientist.com/article/2527761-flood-of-ai-garbage-is-pushing-open-source-developer...
1•mattsparkes•6m ago•1 comments

Configuration flags are where software goes to rot

https://00f.net/2026/04/11/config-flags/
2•birdculture•7m ago•0 comments

CrankGPT: A human-powered local and private AI solution

https://crankgpt.com/
3•_ihaque•8m ago•0 comments

Show HN: Group of Death – WorldCup bracket predictor with shareable URLs

https://groupofdeath.gg/
2•sparc24•8m ago•0 comments

FeOS: A 16-Bit OS Written in ASM (and a custom language)

https://github.com/anhumandev/feos
1•anhuman•9m ago•1 comments

Neural-somatic simulations of history's greatest minds

https://www.opendria.com/
1•opendria•10m ago•0 comments

Understanding why autism symptoms sometimes improve amid fever

https://news.mit.edu/2024/understanding-why-autism-symptoms-sometimes-improve-amid-fever-0523
3•thunderbong•10m ago•0 comments

</> Htmx – Code is Cheap(er)

https://htmx.org/essays/code-is-cheap/
4•leephillips•13m ago•0 comments

The circus freaks of open source

https://drewdevault.com/blog/Circus-freaks-of-FOSS/
2•Tomte•14m ago•0 comments

The round-the-world escape from Pearl Harbor

https://signoregalilei.com/2026/05/17/the-round-the-world-escape-from-pearl-harbor/
1•surprisetalk•15m ago•0 comments

SignalScout

https://signalscout.be
2•AIGENIZE•15m ago•0 comments

My thoughts on the "focusgroup" attribute proposal

https://www.stevefrenzel.dev/posts/my-thoughts-on-the-focusgroup-attribute-proposal/
1•speckx•19m ago•0 comments

A curated list of AI for developers

https://github.com/ai-for-developers/awesome-ai-coding-tools
2•dariubs•20m ago•0 comments

Stop Using Conventional Commits

https://sumnerevans.com/posts/software-engineering/stop-using-conventional-commits/
12•jsve•20m ago•2 comments

Federal audit reveals NIST's NVD is plagued by poor planning and duplication

https://cyberscoop.com/nist-nvd-audit-mismanagement-duplication/
2•u1hcw9nx•21m ago•0 comments

AI investment 2nd round, from GPU to power·industrial goods·space

https://www.ooooo.law/board/9?lang=en
1•haebom•24m ago•0 comments

What Dot.com Bandwidth Taught Me About the AI Token Cost Panic

https://www.axamy.com/blog/bandwidth-tokens
1•jhonovich•24m ago•1 comments

MCemm a GEMM (General Matrix Multiply) Kernel Generato

1•Okerew•24m ago•0 comments

Clean City Law: Secrets of SãO Paulo Uncovered by Outdoor Advertising Ban

https://99percentinvisible.org/article/clean-city-law-secrets-sao-paulo-uncovered-outdoor-adverti...
1•chistev•26m ago•0 comments

Agentic communication protocol – why A2A sucks

https://asimovaddendum.substack.com/p/agents-need-a-public-square
1•ilan_s•26m ago•1 comments

The cognitive benefit of a window view

https://www.sciencedirect.com/science/article/pii/S0167268125004755
1•PaulHoule•26m ago•0 comments

Leak Reveals Microsoft Wants Its AI to Be 'Addictive'

https://kotaku.com/microsoft-ai-scout-addictive-satya-nadella-404-media-copilot-2000702924
7•thm•27m ago•0 comments

Justices validate SEC's use of disgorgement in securities enforcement

https://www.scotusblog.com/2026/06/justices-validate-secs-use-of-disgorgement-in-securities-enfor...
3•jawns•27m ago•0 comments

Russian Satellites Have Been Jamming GPS Signals Across Europe, Scientists Say

https://www.nytimes.com/2026/06/05/world/europe/russia-satellites-gps-interference-europe.html
6•ripe•27m ago•1 comments

Show HN: 2Draw – co-operative pictionary built with TLDraw inspired by Drawful

https://2draw.ritzademo.com/
1•sixhobbits•28m 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/