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Show HN: ReadKinetic – a free, local-first speed reader for your own books

https://www.readkinetic.com/app/
10•SamuraiLion•54m ago

Comments

tommytman•38m ago
I like how it pauses near where I would normally pause while reading. How did you choose the cadence?
SamuraiLion•3m ago
Thanks, that's the detail I was most hoping someone would pick up on.

It started as a flat interval and felt terrible. Every word got the same slot, so sentences never landed and it read like a stock ticker.

Now there's a base duration from the WPM setting, with per word multipliers on top: 3x on sentence-ending punctuation, 2x on commas and semicolons, and an extra 0.7x if the word is 8 characters or longer.

The punctuation weights came from reading passages out loud and noticing where I actually stopped. Those are the breath points, so giving them proportionally more time puts the sentence structure back in. The long word bump is closer to the eye tracking literature, where fixation duration scales with word length. It felt wrong for a 12 letter word to get the same slot as "the".

The actual numbers were tuned by ear over a lot of real reading. I tried syllable estimates and word frequency weighting too, but neither was noticeably better than punctuation plus length, and they made the rhythm less predictable, which turned out to matter more than being clever.

Science a New Golden Age

https://www.whitehouse.gov/science/
1•jharohit•49s ago•0 comments

Luainstaller: `PyInstaller` for Lua

https://luarocks.org/modules/waterrun/luainstaller
1•linzhangrun•5m ago•0 comments

A growing political reckoning is coming for data centers, POLITICO Poll shows

https://www.politico.com/news/2026/07/21/poll-data-centers-democrats-moratorium-01001799
1•1vuio0pswjnm7•6m ago•0 comments

Product Sense

https://www.leadinginproduct.com/p/product-sense-balance-data-with-experience
1•benkan•6m ago•0 comments

First Room-Temperature Quantum Material of Its Kind Is Spun from Atoms of Gold

https://www.sciencealert.com/the-first-room-temperature-quantum-material-of-its-kind-is-spun-from...
1•benkan•7m ago•0 comments

Airbus migrating 70 critical apps from AWS amid digital sovereignty push

https://www.theregister.com/paas-and-iaas/2026/07/16/airbus-migrating-70-critical-apps-from-aws-t...
2•benkan•8m ago•0 comments

AI is changing what we can do. Who we become is still our choice

https://humanistreview.ai/issue-1/appiah-ai-moral-character/
1•simplegeek•10m ago•0 comments

Show HN: Nura Dev – Voice control for Claude Code, from your phone

https://apps.apple.com/us/app/nura-dev-voice-for-ai-coding/id6767097351
1•rajasimon•13m ago•0 comments

Why Socialism? By Albert Einstein

https://monthlyreview.org/articles/why-socialism/
2•Balinares•13m ago•1 comments

How to Test iOS Apps in Different Time Zones on a Physical iPhone

https://www.avanderlee.com/xcode/ios-time-zone-testing-physical-iphone/
1•hacker_nows•17m ago•0 comments

HN: SynthWorld – deterministic synthetic identity graphs with ground truth

https://github.com/bluntmachetti/synthworld
2•kademolu•22m ago•0 comments

Ignition (1972) [pdf]

https://library.sciencemadness.org/library/books/ignition.pdf
2•Tomte•23m ago•0 comments

When China Gets Its Own Mythos

https://www.foreignaffairs.com/china/when-china-gets-its-own-mythos
4•malloryerik•24m ago•0 comments

Nvidia Vera Rubin NVL72 on CoreWeave 10x More Tokens per Megawatt Than Blackwell

https://www.coreweave.com/blog/nvidia-vera-rubin-nvl72-on-coreweave-10x-more-tokens-per-megawatt-...
2•EvgeniyZh•25m ago•0 comments

LLMs Don't Learn Like Humans – They're Populations [video]

https://www.youtube.com/watch?v=_lkRRoJgDXM
2•giardini•25m ago•0 comments

EU weighs age restrictions for children using social media

https://www.latimes.com/business/story/2026-07-13/eu-weighs-age-restrictions-for-children-using-s...
2•1vuio0pswjnm7•29m ago•0 comments

Phenethylamines I have feared and loathed (2020)

https://nikobidin.com/phenethylamines-i-have-feared-and-loathed
5•downbad_•31m ago•0 comments

French lawmakers approve a social media ban for children under 15

https://apnews.com/article/france-social-media-ban-macron-94abd981ccea85138af314cfb1ea62cf
3•1vuio0pswjnm7•31m ago•1 comments

3code benches 75 lower token use vs. OpenCode on 10-task SWE-Bench subset

https://capocasa.dev/3code-benches-75-lower-token-use-vs-opencode-on-10-task-swe-bench-subset
6•capocasa•32m ago•0 comments

The US has collected about $13B of Venezuela's oil money. Where is it?

https://www.ft.com/content/0e562e03-106e-4729-83d7-675c27eb8c4d
3•JumpCrisscross•34m ago•0 comments

Claude Code on desktop now works with the iOS simulator

https://twitter.com/claudedevs/status/2079674432038248611
2•wertyk•35m ago•1 comments

Jeff Bridges photographs of behind the scenes movie making

https://www.washingtonpost.com/photography/2019/12/04/did-you-know-that-oscar-winner-jeff-bridges...
2•thunderbong•36m ago•0 comments

Does K3 become a competitor to the Big Three?

https://platform.kimi.ai/docs/guide/kimi-k3-quickstart
2•qiuwu•39m ago•1 comments

Big Tech AI Spree Revives Accounting Devices That Toppled Enron

https://news.bloombergtax.com/financial-accounting/big-tech-ai-spree-revives-accounting-devices-t...
3•1vuio0pswjnm7•39m ago•1 comments

The US Army Is Burning Through Its AI Tokens

https://www.wired.com/story/the-army-is-burning-through-its-ai-tokens/
3•helsinkiandrew•40m ago•0 comments

For Whom the Bull Tolls: Hemingway and Bullfighting

https://www.historytoday.com/archive/natural-histories/whom-bull-tolls-hemingway-and-bullfighting
2•Thevet•46m ago•0 comments

LeelaRookOdds's French Defense

https://lichess.org/@/codysmile11/blog/leelarookoddss-french-defense/IrHe3XFH
2•fzliu•47m ago•0 comments

Bengaluru triple murder: Why cops wanted to make AI chatbot an accomplice

https://www.indiatoday.in/india/karnataka/story/bengaluru-triple-murder-rk-puram-kenneth-ai-chatb...
2•mandliya•47m ago•0 comments

Show HN: A deterministic governance harness for agentic development loops

https://github.com/owulveryck/poc-agentic-platform
2•owulveryck•49m ago•0 comments

Legal Obligations vs. Social Contracts

https://pointieststick.com/2026/07/21/legal-obligations-vs-social-contracts/
2•jandeboevrie•52m ago•0 comments