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Popular Mechanics Magazine – March 1911

https://archive.org/details/bub_gb_At4DAAAAMBAJ
1•water_badger•1m ago•0 comments

Chat18GPT

https://www.chat18gpt.com
3•ClipNoteBook•3m ago•1 comments

Show HN: Joy – Trust Network for AI Agents to Verify Each Other

https://choosejoy.com.au
1•savvyllm•4m ago•0 comments

AI Policy

https://dbushell.com/ai/
1•teddyh•5m ago•0 comments

Researchers improve lower bounds for some Ramsey numbers using AlphaEvolve

https://arxiv.org/abs/2603.09172
1•1024core•5m ago•0 comments

Show HN: Structural analysis of the D'Agapeyeff cipher (1939)

https://msgtrail.com/posts/unmasking-the-dagapeyeff-cipher-a-multi-faceted-architecture
1•evaneykelen•8m ago•0 comments

Don't blunder: better chess puzzles

https://blunder.clinic
1•samwho•10m ago•0 comments

300 Hours into the Iran Internet Blackout

https://www.instagram.com/p/DVzxEXtjbt9/
1•ukblewis•13m ago•0 comments

Israel is running critically low on interceptors, US officials say

https://www.semafor.com/article/03/14/2026/israel-is-running-critically-low-on-interceptors-us-of...
3•inaros•14m ago•0 comments

Tehran Hijacked AI

https://www.dailymail.co.uk/debate/article-15640991/ChatGPT-Islamic-terrorist-propaganda.html
3•nailer•18m ago•1 comments

SBCL Fibers – Lightweight Cooperative Threads

https://atgreen.github.io/repl-yell/posts/sbcl-fibers/
1•anonzzzies•20m ago•0 comments

Show HN: Rewire – Stream ROS 2 topics to Rerun with no ROS 2 runtime required

https://rewire.run
1•alvgaona•20m ago•0 comments

Show HN: Recon – A tmux-native dashboard for managing Claude Code

https://github.com/gavraz/recon
1•gavra•21m ago•0 comments

What, exactly, is space‑time? (2025)

https://theconversation.com/what-exactly-is-space-time-259630
1•hhs•22m ago•0 comments

Show HN: Sunny Hours – an iPhone weather app with a sunshine heatmap

https://apps.apple.com/gb/app/sunny-hours-sun-by-hour/id6758806008
1•ahallan•22m ago•0 comments

CLI linter for GEO and SEO discoverability

https://xeolint.com/
1•antoinelevy27•23m ago•1 comments

Major investor 'shocked and sad' that the games industry is 'demonizing' gen AI

https://www.pcgamer.com/software/ai/major-investor-is-shocked-and-sad-that-the-games-industry-is-...
5•stalfosknight•27m ago•1 comments

Quantum Teleportation Breakthrough Brings the Quantum Internet Closer

https://scitechdaily.com/quantum-teleportation-breakthrough-brings-the-quantum-internet-closer/
1•HardwareLust•30m ago•0 comments

Show HN: NumenText, a non-modal editing terminal IDE with LSP/DAP

https://github.com/numentech-co/numentext
1•rlogman•32m ago•0 comments

Airbus is preparing two uncrewed combat aircraft

https://www.airbus.com/en/newsroom/press-releases/2026-03-airbus-is-preparing-two-uncrewed-combat...
4•phasnox•32m ago•0 comments

RFC 4180 – CSV (2005)

https://www.rfc-editor.org/rfc/rfc4180
2•basilikum•38m ago•0 comments

Book review: Laws of nature and chances

https://ndpr.nd.edu/reviews/laws-of-nature-and-chances-what-breathes-fire-into-the-equations/
1•hhs•39m ago•0 comments

The slow death of the English boarding school

https://www.ft.com/content/cc7eb665-b689-4e2f-9e35-c6ab5dbf3980
4•bookofjoe•40m ago•1 comments

Show HN: I let the internet control my iPad with AI

https://play.thomaskidane.com/
1•meneliksecond•41m ago•1 comments

The Sound of Contamination: Headphones Contain Ing Hormone-Disrupting Chemicals

https://arnika.org/en/news/the-sound-of-contamination-all-analysed-headphones-on-the-central-euro...
12•microflash•42m ago•4 comments

Book review: In search of now

https://www.wsj.com/arts-culture/books/in-search-of-now-review-time-out-of-mind-2e33a184
1•hhs•45m ago•0 comments

Tokenizing Arithmetic Expressions

https://xnacly.me/posts/2023/calculator-lexer/
2•ibobev•45m ago•0 comments

Show HN: Nia CLI, an OSS CLI for agents to index, search, and research anything

https://github.com/nozomio-labs/nia-cli
1•jellyotsiro•45m ago•0 comments

Mojo's Not (Yet) Python

https://theconsensus.dev/p/2026/03/12/mojos-not-yet-python.html
1•ibobev•46m ago•0 comments

Introduction to SQLAlchemy 2 in Practice

https://blog.miguelgrinberg.com/post/introduction-to-sqlalchemy-2-in-practice
2•ibobev•47m ago•0 comments
Open in hackernews

Show HN: Dexter – an opinionated day planner for Mac

https://dexterplanner.com/
17•cvburgess•10mo ago
Hey HN, Dexter is a day planner I built for Mac (and web).

This was a grief project. Some people make art when they're soul searching, and making apps has always been a bit of an artistic outlet for me. Earlier this year my mother committed suicide and two weeks later the company I worked for laid off my entire division. After taking some time to grieve and process I started building something just for me, just for fun, just because I wanted to.

Dexter has been a slow project that started as paper sketches at my kitchen table and slowly morphed into a codebase. It allowed me to play with tools I wanted to get better at like Postgres and Typescript while also letting me try (and in some cases fail) experimenting with new-to-me tools like Tailwind, Supabase, Tauri, Electron, and Vite.

Small portions of the app and site were "vibe coded", but 99% is hand-crafted code (not necessarily good code), graphics, and data models. This was meant to be a fun project where I learned things just because I wanted to learn something, not a race to see how fast I could grind out a product.

For an example of "unnecessary but fun", I made each SVG on the marketing site twice with Figma - once in a light theme and again in a dark theme - so if you toggle your OS's dark mode, everything should change, even the images.

A few things about the app:

- Yeah, I know, it's an Electron app. I tried using Tauri and other tools but hit a few snags. The Electron ecosystem was incredibly mature and easy to use in comparison

- The app is open source [0] and so is the marketing site [1]

- Some friends and I have been using it daily for a few months and really enjoy it compared to our old multi-tool workflows

- Dexter is the name of my 12(?) year old husky, hence the dog branding

- There is a pricing widget on the marketing site but the app is currently totally free. I might integrate Stripe soon if (and only if) that feels like a fun project, but the goal isn't to get rich or even turn a profit, it's to have fun and build something genuinely useful that I use every day

There are a bunch of features I would love to add and enhancements I would like to make, and eventually I will. Currently, I pick up a feature just because it sounds fun that day and I put it down when it is no longer fun. It might not be a good business model, but it has been a wonderful antidote to an industry rife with burnout and a personal life that's been a little out of control.

I hope you enjoy it and maybe build something for yourself, just because it sounds fun.

If anyone gives it a try I will be in the comments today and happy to answer any questions!

[0] https://github.com/cvburgess/dexter-app

[1] https://github.com/cvburgess/dexter-www

Comments

saltcod•10mo ago
Sorry to hear about the inspiration for this. It's very nicely done. Great work.
cvburgess•10mo ago
Thank you so much <3
DevDad_io•10mo ago
Very clean UI, well done!
cvburgess•10mo ago
Thank you!

I got to dust off some old UX skills that haven't been used in a few years.

Huge shoutout to DaisyUI [0] and tailwind for making it really easy to build pretty things.

[0] https://daisyui.com/

DevDad_io•10mo ago
Ha! Daisy and Tailwind are so wonderful, I used the same for my app. I especially like the multidirectional scrolling on your app.
cvburgess•10mo ago
Scrolling has been the bane of my existence lol.

Im pretty happy with it currently, but want to fix a small annoyance where columns can "hijack" horizontal scrolling.

I learned SO MUCH about CSS tools of old and new doing this project. The popover API and anchor positioning in particular was a bit of a beast, as were overflows and scroll areas.

Most of my background has been in native or react-native mobile development where these kinds of issues don't really exist in the same way.

Going back to basics with html + css was humbling and taught me a lot, too.

osener•10mo ago
I came across this randomly when I searched "Figma" on HN, and I'm very glad I did. Tastefully done app -- wishing you all luck in the world.