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Show HN: Open Computer-Animated Multivariable Calculus Course in 6 Languages

https://calculus.academa.ai/
2•sinaatalay•1h ago
We just released a fully computer-animated multivariable calculus course in six languages: English, Spanish, German, French, Italian, and Portuguese. Free and open to everyone. Half the course is live now; the rest is coming very soon.

We're an early-stage edtech startup. Our goal: use AI to build high-quality, computer-animated versions of every STEM course in the world, in every language, and bring them together on a platform like Coursera, but built for the AI age, with deep LLM integration. We want that literally. Every course. Every language.

This project simply couldn't exist without generative AI. We're two co-founders, and we don't speak five of the languages we just published in. There may be mistakes, but these courses wouldn't exist in those languages otherwise.

We produce lectures fast with AI. But once a lecture is done, adding another language is even faster, it's O(1). So we just made this in six languages. We could keep going.

These videos aren't static MP4s, they're open for improvement. If you have ideas, suggestions, or find mistakes, please open an issue on GitHub: https://github.com/academa-dev/multivariable-calculus

Would love your feedback. Happy to answer questions.

Join the waitlist for upcoming courses at https://academa.ai.

Tech stack: We forked 3Blue1Brown's Manim, synced TTS with animations using OpenAI Whisper, and used Inworld AI for text-to-speech.

Cleaner air is (inadvertently) harming the Great Barrier Reef

https://phys.org/news/2026-01-cleaner-air-inadvertently-great-barrier.html
1•Brajeshwar•50s ago•0 comments

Ancient Spanish trees reveal Mediterranean storms are intensifying

https://phys.org/news/2026-01-ancient-spanish-trees-reveal-mediterranean.html
1•Brajeshwar•57s ago•0 comments

What happens when you train an LLM only on limited historical data

https://www.popsci.com/technology/this-ai-thinks-its-the-1800s/
1•Brajeshwar•1m ago•0 comments

Hey guys, check out my idea

1•harinand•2m ago•2 comments

XSS –> RCE in Screeps, a programming game on Steam

https://outsidetheasylum.blog/screeps/
1•Tiberium•2m ago•1 comments

Geo Is Not the Next Generation of SEO

https://valarmorghulis.io/view/202601-geo-vs-seo/
1•socrateslee•4m ago•1 comments

Human Approval as a Service

1•mf_taria•4m ago•0 comments

Software patches in NixOS for fun and productivity

https://log.pfad.fr/2026/software-patching-in-nixos/
2•todsacerdoti•7m ago•0 comments

The First Full-Scale Cyber War: 4 Years of Lessons

https://techtrenches.dev/p/the-first-full-scale-cyber-war-4
1•bryanrasmussen•8m ago•0 comments

Heart rhythm problems detected four times more often with smartwatches

https://nltimes.nl/2026/01/22/heart-rhythm-problems-detected-four-times-often-smartwatches
1•giuliomagnifico•8m ago•0 comments

More than a quarter of Britons say they fear losing jobs to AI in next 5 years

https://www.theguardian.com/business/2026/jan/25/more-than-quarter-britons-fear-losing-jobs-ai-ne...
1•chrisjj•10m ago•0 comments

Jack Kerouac on the Steve Allen Show with Steve Allen 1959 [video]

https://www.youtube.com/watch?v=3LLpNKo09Xk
1•aabiji•10m ago•0 comments

Kingdoms of Water: The Mekong River, empire, and the limits of human ingenuity

https://worldhistory.substack.com/p/kingdoms-of-water
1•crescit_eundo•13m ago•0 comments

Ice cream is one of the healthiest foods in existence

https://twitter.com/Outdoctrination/status/2015449347920396347
2•bilsbie•13m ago•0 comments

Inside Apple's AI Shake-Up and Its Plans for Two New Versions of Siri

https://www.bloomberg.com/news/newsletters/2026-01-25/inside-apple-s-ai-shake-up-ai-safari-and-pl...
2•thm•13m ago•0 comments

Good Taste

https://emsh.cat/good-taste/
1•embedding-shape•15m ago•1 comments

AMD Releases MLIR-AIE 1.2 Compiler Toolchain for Targeting Ryzen AI NPUs

https://www.phoronix.com/news/AMD-MLIR-AIE-1.2
1•pella•15m ago•0 comments

Show HN: MCP Security Documentation with Code Examples

https://github.com/FinkTech/mcp-security
1•finktech•16m ago•0 comments

Interview: Kim Stanley Robinson, Science Fiction Maestro and Utopian, in 2026

https://sammatey.substack.com/p/interview-kim-stanley-robinson-science-111
2•mitchbob•17m ago•0 comments

Agent-Browser by Vercel Labs

https://github.com/vercel-labs/agent-browser
2•franze•18m ago•0 comments

An Open-Source Alternative to Vercel

https://www.shorlabs.com/
1•shorlabss•18m ago•0 comments

What posting Rails UI to Hacker News taught me

https://railsui.com/blog/what-finally-posting-rails-ui-to-hacker-news-taught-me
2•dorianmariecom•20m ago•0 comments

Turns out I was wrong about TDD

https://martinalderson.com/posts/turns-out-i-was-wrong-about-tdd/
1•martinald•21m ago•0 comments

I Tried to Give AI "Imagination" to Solve Physics Problems

https://github.com/a1j9o94/foresight
1•a1j9o94•22m ago•1 comments

Immanuel 'the Königsberg clock' Kant (2015)

https://www.versobooks.com/en-gb/blogs/news/1963-immanuel-kant-the-errrr-walker
1•rishabhd•25m ago•0 comments

The Home Computer Hybrids

https://technicshistory.com/2026/01/25/the-home-computer-hybrids/
1•cfmcdonald•25m ago•0 comments

DCCast: Efficient Point to Multipoint Transfers Across Datacenters (2017)

https://arxiv.org/abs/1707.02096
1•tanelpoder•27m ago•0 comments

Apex-Agents – Benchmark Productivity of Agents

https://arxiv.org/abs/2601.14242
1•hereme888•28m ago•0 comments

Claude Code TUI is "a small game engine"

https://twitter.com/trq212/status/2014051501786931427
1•eudamoniac•31m ago•1 comments

Show HN: Sis v1.0.0 – Static security scanner for rule engines and policy layers

https://github.com/gopinath2866/sis-rules-engine
1•gopi0nath2929•31m ago•0 comments