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Show HN: Using 2D DFT, dithering, etc. to maximize eInk manga image quality

https://github.com/ciromattia/kcc
1•seam_carver•1h ago
Kindle Comic Converter optimizes black & white (or color) comics and manga for E-ink ereaders like Kindle, Kobo, ReMarkable, and more. Pages display in fullscreen without margins, with proper fixed layout support. Output works great in KOReader.

Full details on what KCC does is in the readme with plenty of photos!

KCC has been under continuous development since 2012 and has code sign on both Windows and macOS. Also available on Linux.

-the current kcc dev

Venus, Once Thought Too Acidic for Complex Chemistry, May Be Hospitable

https://gizmodo.com/experiments-show-key-biological-compounds-can-form-in-venus-like-acid-clouds-...
1•MC995•2m ago•0 comments

Eleven v4 by ElevenLabs

https://elevenlabs.io/blog/eleven-v4
2•saretup•3m ago•0 comments

No Surprises – Preventing Agent Breakouts Need Isolation, Egress and ID Controls

https://edera.dev/stories/how-edera-could-have-contained-the-gemini-breakout
1•ivytheaxolotl•4m ago•0 comments

I built a native Apple app for 4 platforms in one afternoon with my AI workflow

https://twitter.com/danielhayesmith/status/2103976394338271515
1•schutzsmith•5m ago•0 comments

Show HN: ChuteChat – Browser-based E2EE chat with no accounts required

https://chutechat.online/
1•mktproto•5m ago•0 comments

AI Companies Are in a Race Against Time

https://econjared.substack.com/p/ai-companies-are-in-a-race-against
2•marojejian•6m ago•1 comments

The 50-Year Hangover

https://freddiedeboer.substack.com/p/the-50-year-hangover
1•PaulHoule•6m ago•0 comments

Risk factors for androgenetic alopecia: a systematic review and meta-analysis

https://pmc.ncbi.nlm.nih.gov/articles/PMC13020014/
1•OutOfHere•7m ago•0 comments

Model Release: Naive-N0.5-Flash

https://naive.ai/en/research/
1•foruhar•8m ago•0 comments

Senate Investigation Finds Rampant Use of Tether's Stablecoin by Iranian Regime

https://www.wsj.com/finance/currencies/senate-investigation-finds-rampant-use-of-tethers-stableco...
1•kaycebasques•8m ago•0 comments

Show HN: Destroy Any Website with Stickman

https://destroy.spritefusion.com/
1•HugoDz•11m ago•0 comments

Building a physics model with fitted parameters is machine learning, but slower

https://www.harysdalvi.com/blog/machine-learning-in-slow-motion/
1•crackalamoo•11m ago•0 comments

Grok TiddlyWiki, the definitive TiddlyWiki learning resource

https://groktiddlywiki.com/read/
1•ggcr•11m ago•0 comments

Who are we willing to exclude? (2025)

https://design.scotentblog.co.uk/who-are-we-willing-to-exclude/
1•robin_reala•12m ago•0 comments

The Human Timeline

https://mg-crea.com/blog/the-human-timeline/
1•olouv•12m ago•0 comments

Human TPS: How fast can your fingers generate tokens?

https://homoagens.github.io/human-tps/
1•cmrdporcupine•15m ago•0 comments

That First and Last Question

https://brianschrader.com/archive/that-first-and-last-question/
1•sonicrocketman•16m ago•0 comments

Show HN: Cordum Edge – A local firewall to sandbox AI coding agents

https://github.com/cordum-io/cordum](https://github.com/cordum-io/cordum)
1•yaront111•17m ago•0 comments

Reduced-Round SHA-256 Compression Preimages

https://github.com/kamb-code/sha256-r19-preimage
1•wslh•20m ago•0 comments

Ex-ARRR: Sailing the 0-click Seas

https://ironpeak.be/blog/ex-arrr-sailing-the-0-click-seas/
1•ibobev•20m ago•0 comments

Show HN: Low Poly Earth – The whole planet in 3D, built from OpenStreetMap data

https://lowpolyearth.pages.dev/
3•blueblazin•21m ago•0 comments

Detect when elements overlap with CSS

https://ishadeed.com/article/css-detect-overlap/
1•ibobev•21m ago•0 comments

What I believe about the future of software development

https://thorstenball.com/blog/2026/09/19/what-i-believe-about-the-future-of-software-development/
2•ibobev•21m ago•0 comments

Dual-Syncopation Meet-in-the-Middle Attacks: New Results on SHA-2 and MD5

https://eprint.iacr.org/2026/353
1•wslh•21m ago•0 comments

Ask HN: How is code review holding up at your company?

1•lackoftactics•22m ago•0 comments

Phyllotaxis: An audio-reactive LED display

https://jagi.studio/posts/phyllotaxis/
1•evakhoury•23m ago•0 comments

privacyguides.org

https://github.com/privacyguides/privacyguides.org
1•saikatsg•24m ago•0 comments

The large robotic arm on the International Space Station has stopped working

https://arstechnica.com/space/2026/09/the-large-robotic-arm-on-the-international-space-station-ha...
3•robin_reala•24m ago•0 comments

Opus 5.5 showcasing: Liquid Glass-like elements for the web

https://tomacco.github.io/amazing-glass/
2•drinkcocacola•25m ago•1 comments

Infinitrance [video]

https://www.youtube.com/watch?v=uUNnd3uI37M
1•jsemrau•25m ago•0 comments