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Simulating a 2D Quadcopter from Scratch

https://mrandri19.github.io/2026/04/03/2d-quadcopter-simulation.html
1•daww•1h ago

Comments

daww•1h ago
Author here.

I've spent the last six months replicating the paper "Champion-level drone racing using deep reinforcement learning" and now I'm writing down the blog posts I wish I had along the way.

Any feedback is welcome, especially as I'm a bit unsure if I struck the right balance between being concise and not requiring too many prerequisites.

Also if you're working on RL and robotics (especially aerial), let's connect!

Show HN: Context-Aware Twitch Moderation

https://modcheck.app
1•WalkingFridge•46s ago•0 comments

OpenAI Codex Moves to API Usage-Based Pricing for All Users

https://startupfortune.com/openai-codex-moves-to-api-usage-based-pricing-for-all-users/
1•wheelerwj•4m ago•1 comments

New Anthropic model is too dangerous to release publicly

https://www.nbcnews.com/tech/security/anthropic-project-glasswing-mythos-preview-claude-gets-limi...
2•hackyhacky•5m ago•0 comments

Gemma 4 E4B vs. Gemma Family: Enterprise Benchmark Across 8 Task Suites

https://aiexplorer-blog.vercel.app/post/gemma-4-e4b-enterprise-benchmark
2•mailharishin•5m ago•0 comments

Why Meter Is Not Essential to Poetry

https://oliviamarstall.substack.com/p/why-meter-is-not-essential-to-poetry
3•frogulis•6m ago•0 comments

Why Use Meter in Poetry?

https://robertcharboneau.substack.com/p/why-use-meter-in-poetry
3•frogulis•7m ago•0 comments

Major Polish crypto exchange presumed insolvent

https://www.money.pl/gospodarka/wielki-problem-zondacrypto-klienci-sie-skarza-mamy-niepokojaca-an...
2•nathell•8m ago•0 comments

The Bar Hostess of Ginza

https://cinemasojourns.com/2026/04/08/the-bar-hostess-of-ginza/
2•jjgreen•9m ago•0 comments

Show HN: Dis: Dev environments but without Node.js

https://github.com/candacelabs/dis/tree/main
2•kaashmonee•10m ago•0 comments

Laurie Kirk proved your RAM lies to you. So we built Palantir at home

https://github.com/seppulcro/phantom
2•seppulcro•10m ago•1 comments

Ask HN: We got 100 stars. A weekend project got 12k. What are we missing?

2•lilwing•11m ago•2 comments

Ask HN: A CLI to control what AI code can (and can't) change in your repo

3•sujitjaunjal•15m ago•0 comments

Principles of Mechanical Sympathy

https://martinfowler.com/articles/mechanical-sympathy-principles.html
2•emschwartz•20m ago•0 comments

Taco: Linktaco from Your Terminal

https://linktaco.com/blog/taco-cli-tool-linktaco.html
2•peterjsanchez•21m ago•0 comments

Show HN: Tired of logic in useEffect, I built a class-based React state manager

https://thales.me/posts/why-i-built-snapstate/
1•thalesfp•22m ago•0 comments

Hsihp Hsims

https://fromouterstace.com
1•stacydbradford•22m ago•0 comments

Prisoner's Dilemma – An Extension (from game theory)

https://pd.luthira.com/
2•llamatheollama•25m ago•0 comments

Resurrecting a 1992 MUD with Agentic AI

https://meditations.metavert.io/p/resurrecting-a-1992-mud-with-agentic
3•salt4034•26m ago•0 comments

Once 'Ultra MAGA', Trump Supporters Fume About Iran on Truth Social

https://www.nytimes.com/2026/04/08/us/politics/trump-truth-social-iran.html
5•doener•26m ago•0 comments

Volatco – Powerful Multicompute

https://volatco.github.io/
1•nbaksalyar•31m ago•0 comments

Show HN: Linggen – Open-source AI agent with P2P remote access from your phone

https://linggen.dev/
2•linggen•32m ago•0 comments

How to Connect to Builders in Web3

https://woof.software/
1•Pasha-CEO•33m ago•1 comments

Google engineer rejected by colleges uses AI to sue for racial discrimination

https://abc7news.com/post/google-engineer-rejected-colleges-uses-ai-sue-ucs-other-universities-ra...
1•ubasu•34m ago•0 comments

AI Did It in 12 Minutes. It Took Me 10 Hours to Fix It

https://idiallo.com/blog/it-took-me-10-hours-to-fix-ai-code
3•firefoxd•39m ago•1 comments

Show HN: Is Hormuz open yet?

https://www.ishormuzopenyet.com/
99•anonfunction•42m ago•40 comments

Finetuning Activates Verbatim Recall of Copyrighted Books in LLMs

https://arxiv.org/abs/2603.20957
1•guitarlimeo•43m ago•0 comments

Boots on the Ground, Flip Flops in the Air [pdf]

https://drive.google.com/file/d/1DrnHCWOQ7PRHNBqbxdqT_yQMRVFC8YbD/view?usp=drive_link
1•sans_souse•44m ago•0 comments

Show HN: Phantom UI – Skeleton that measures your real DOM (Web Component, 8kb)

https://github.com/Aejkatappaja/phantom-ui
5•Aejkatappaja•51m ago•6 comments

Agent Brain – 7-layer cognitive memory for AI agents (open source)

https://github.com/kaderosio/agent-brain
2•Thesh2209•54m ago•1 comments

OpenAI: The Next Phase of Enterprise AI

https://openai.com/index/next-phase-of-enterprise-ai/
3•louiereederson•58m ago•2 comments