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Show HN: Clarisu – Create educational podcasts

3•janpmz•2h ago
Hey HN,

I’ve built Clarisu, an app that generates short educational podcasts from any topic you give it: https://clarisu.com

It started from https://pdftomp3.com, a tool I made to turn PDFs into audio. I mostly used it to listen to AI papers, but I still had to download the MP3s to my phone. So I made an app instead!

Now you just enter a topic in a textbox, and it builds a “podcast episode” with paragraphs and chapters. It has a “Clarify” button which goes deeper into a topic. This is where the name comes from :) I think I’ve learned a lot of new things by listening to my own episodes!

Next up: adding PDF uploads directly into the app.

I would love your feedback!

Android: https://play.google.com/store/apps/details?id=com.jbuild.und...

iOS: https://apps.apple.com/us/app/clarisu-understand-app/id67511...

Graphite's natural pores shown to have no impact on nuclear reactor performance

https://techxplore.com/news/2025-09-graphite-natural-pores-shown-impact.html
1•PaulHoule•2m ago•0 comments

Wizards who forgot their magic

https://blog.happyfellow.dev/unwise-wizards/
1•mesaoptimizer•3m ago•0 comments

Grokipedia by xAI has just launched with 885,279 articles

https://grokipedia.com
1•thsName•4m ago•2 comments

Show HN: Feedback and Beta Hub for Indian Tech Builders and Solo Makers

https://x.com/i/communities/1962513576985305510
1•Nayak_S1991•5m ago•0 comments

Ultra-HD televisions not noticeably better for typical viewer

https://www.theguardian.com/technology/2025/oct/27/ultra-hd-televisions-4k-8k-not-noticeably-bett...
1•01-_-•6m ago•0 comments

Show HN: Palm Trees AI – A Software Robot Network of Specialized AI Personas

https://palmtreesai.com
1•jtechy•7m ago•1 comments

Ask HN: Chess variant where queen moves according to your secret Python program?

1•amichail•8m ago•0 comments

Show HN: Coffee world rush – drink coffee for your country

https://coffeeworldrush.com/
2•kyrylo•8m ago•0 comments

PEP 764 – Inline typed dictionaries

https://peps.python.org/pep-0764/
1•Frotag•9m ago•0 comments

Rising autism and ADHD diagnoses not matched by an increase in symptoms

https://www.psypost.org/rising-autism-and-adhd-diagnoses-not-matched-by-an-increase-in-symptoms/
1•01-_-•9m ago•0 comments

Da Vinci's Vitruvian Man; circle and square relationship solved?

https://www.tandfonline.com/doi/full/10.1080/17513472.2025.2507568#graphical-abstract
1•Gaishan•13m ago•0 comments

Recent Rust Changes

https://www.ncameron.org/blog/recent-rust-changes/
1•todsacerdoti•13m ago•0 comments

Star Wars' Binary Sunset: A Deep Dive [YouTube] [video]

https://www.youtube.com/watch?v=eJkkKg-vZb0
1•tomr_stargazer•13m ago•0 comments

Python Foundation goes ride or DEI, rejects strings-attached government grant

https://www.theregister.com/2025/10/27/python_foundation_abandons_15m_nsf/
3•AlSweigart•15m ago•1 comments

Interactive Hiring Pipeline Calculator

https://justoffbyone.com/posts/interactive-hiring-pipeline-calculator/
1•cancan•15m ago•1 comments

Paper reports UAPs

https://truediffs.com/post?public_token=pub_TPOdOGj55ALuWf6TAAXCzqqMTKiOoQDKPc7l
1•pwlm•19m ago•0 comments

Amazon may lay off 30k corporate employees this week, Reuters reports

https://www.seattletimes.com/business/amazon/amazon-to-reportedly-may-lay-off-30000-corporate-emp...
2•givemeethekeys•20m ago•4 comments

Infinite Adventure

https://infiniteadventure.games
1•Areibman•21m ago•0 comments

Movycat – A terminal movie player written in Zig

https://github.com/M64GitHub/movycat
2•codethief•22m ago•1 comments

Backfire: Export Controls Helped Huawei and Hurt U.S. Firms

https://itif.org/publications/2025/10/27/backfire-export-controls-helped-huawei-and-hurt-us-firms/
1•boshomi•23m ago•0 comments

Braid groups are cool [pdf]

https://math.osu.edu/sites/math.osu.edu/files/BraidGroup.pdf
2•marysminefnuf•25m ago•0 comments

Amazon to Lay Off Tens of Thousands of Corporate Workers

https://www.wsj.com/tech/amazon-to-layoff-tens-of-thousands-of-corporate-workers-056ebc4d
9•cm2187•26m ago•1 comments

Tim O'Reilly – AI Integration Is the New Moat

https://www.oreilly.com/radar/integration-is-the-new-moat/
1•rmason•27m ago•1 comments

Orderbooks and Firm Pricing

https://thebreakthrough.org/issues/nuclear-energy-innovation/orderbooks-and-firm-pricing
1•chickenbig•27m ago•0 comments

BPA causes sex-specific changes in metabolism and the immune system

https://medicalxpress.com/news/2025-10-bisphenol-sex-specific-metabolism-immune.html
2•Gaishan•28m ago•0 comments

Easy RISC-V: An interactive introduction to RISC-V assembly programming

https://dramforever.github.io/easyriscv/
21•todsacerdoti•29m ago•0 comments

Going Down the Junk Food Rabbit Hole

https://www.nytimes.com/2025/10/27/insider/ultraprocessed-food-junk-history.html
2•paulpauper•29m ago•0 comments

Odyssey: Instant, Interactive AI Video

https://experience.odyssey.ml
1•olivercameron•30m ago•0 comments

Show HN: My free tool that eliminates [pain point]

https://subamoz.netlify.app
1•homayonam•30m ago•4 comments

Pleo: Ongoing SMS Spoofing Attack

https://status.pleo.io/incidents/01K81565XHP9CMMTHP4CDH1ES0
1•doener•30m ago•0 comments