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AI readability score for your documentation

https://docsalot.dev/tools/docsagent-score
1•fazkan•6m ago•0 comments

NASA Study: Non-Biologic Processes Don't Explain Mars Organics

https://science.nasa.gov/blogs/science-news/2026/02/06/nasa-study-non-biologic-processes-dont-ful...
1•bediger4000•10m ago•2 comments

I inhaled traffic fumes to find out where air pollution goes in my body

https://www.bbc.com/news/articles/c74w48d8epgo
1•dabinat•10m ago•0 comments

X said it would give $1M to a user who had previously shared racist posts

https://www.nbcnews.com/tech/internet/x-pays-1-million-prize-creator-history-racist-posts-rcna257768
2•doener•13m ago•1 comments

155M US land parcel boundaries

https://www.kaggle.com/datasets/landrecordsus/us-parcel-layer
2•tjwebbnorfolk•17m ago•0 comments

Private Inference

https://confer.to/blog/2026/01/private-inference/
2•jbegley•20m ago•1 comments

Font Rendering from First Principles

https://mccloskeybr.com/articles/font_rendering.html
1•krapp•23m ago•0 comments

Show HN: Seedance 2.0 AI video generator for creators and ecommerce

https://seedance-2.net
1•dallen97•28m ago•0 comments

Wally: A fun, reliable voice assistant in the shape of a penguin

https://github.com/JLW-7/Wally
2•PaulHoule•29m ago•0 comments

Rewriting Pycparser with the Help of an LLM

https://eli.thegreenplace.net/2026/rewriting-pycparser-with-the-help-of-an-llm/
2•y1n0•31m ago•0 comments

Lobsters Vibecoding Challenge

https://gist.github.com/MostAwesomeDude/bb8cbfd005a33f5dd262d1f20a63a693
1•tolerance•31m ago•0 comments

E-Commerce vs. Social Commerce

https://moondala.one/
1•HamoodBahzar•31m ago•1 comments

Avoiding Modern C++ – Anton Mikhailov [video]

https://www.youtube.com/watch?v=ShSGHb65f3M
2•linkdd•33m ago•0 comments

Show HN: AegisMind–AI system with 12 brain regions modeled on human neuroscience

https://www.aegismind.app
2•aegismind_app•37m ago•1 comments

Zig – Package Management Workflow Enhancements

https://ziglang.org/devlog/2026/#2026-02-06
1•Retro_Dev•38m ago•0 comments

AI-powered text correction for macOS

https://taipo.app/
1•neuling•42m ago•1 comments

AppSecMaster – Learn Application Security with hands on challenges

https://www.appsecmaster.net/en
1•aqeisi•43m ago•1 comments

Fibonacci Number Certificates

https://www.johndcook.com/blog/2026/02/05/fibonacci-certificate/
2•y1n0•44m ago•0 comments

AI Overviews are killing the web search, and there's nothing we can do about it

https://www.neowin.net/editorials/ai-overviews-are-killing-the-web-search-and-theres-nothing-we-c...
4•bundie•49m ago•1 comments

City skylines need an upgrade in the face of climate stress

https://theconversation.com/city-skylines-need-an-upgrade-in-the-face-of-climate-stress-267763
3•gnabgib•50m ago•0 comments

1979: The Model World of Robert Symes [video]

https://www.youtube.com/watch?v=HmDxmxhrGDc
1•xqcgrek2•55m ago•0 comments

Satellites Have a Lot of Room

https://www.johndcook.com/blog/2026/02/02/satellites-have-a-lot-of-room/
3•y1n0•55m ago•0 comments

1980s Farm Crisis

https://en.wikipedia.org/wiki/1980s_farm_crisis
4•calebhwin•56m ago•1 comments

Show HN: FSID - Identifier for files and directories (like ISBN for Books)

https://github.com/skorotkiewicz/fsid
1•modinfo•1h ago•0 comments

Show HN: Holy Grail: Open-Source Autonomous Development Agent

https://github.com/dakotalock/holygrailopensource
1•Moriarty2026•1h ago•1 comments

Show HN: Minecraft Creeper meets 90s Tamagotchi

https://github.com/danielbrendel/krepagotchi-game
1•foxiel•1h ago•1 comments

Show HN: Termiteam – Control center for multiple AI agent terminals

https://github.com/NetanelBaruch/termiteam
1•Netanelbaruch•1h ago•0 comments

The only U.S. particle collider shuts down

https://www.sciencenews.org/article/particle-collider-shuts-down-brookhaven
3•rolph•1h ago•1 comments

Ask HN: Why do purchased B2B email lists still have such poor deliverability?

1•solarisos•1h ago•3 comments

Show HN: Remotion directory (videos and prompts)

https://www.remotion.directory/
1•rokbenko•1h ago•0 comments
Open in hackernews

Show HN: I built a countdown app because system alarms gave my friend anxiety

https://apps.apple.com/us/app/duepal-visual-countdown-timer/id6756181712
2•elevenapril•1mo ago

Comments

elevenapril•1mo ago
Hey HN,

I built this app for a friend who has ADHD.

The backstory: She was struggling to stick to her daily routine, so I asked her, "Why don't you just use the system alarms?"

Her reaction was immediate: "Don't talk to me about system alarms."

She explained that alarms are too startling and stressful. She doesn't want a loud noise screaming at her; she just needs to know how much time is left until her next task (e.g., "15 mins until stand-up") without doing mental math every time she looks at the clock.

What I built:

Since I couldn't find an existing app that did exactly this (simple, non-intrusive, strictly visual), I built DuePal.

It does one thing: It puts a live countdown to your set "points in time" (9:00, 12:00, 17:00) right on the Dynamic Island and Lock Screen.

It creates "passive awareness" of time passing.

No startling sounds, just a visual nudge.

It handles repeating schedules (because setting timers manually every day is a pain).

It's a tiny utility, but it stopped my friend from being late without spiking her cortisol levels. I thought others here might find it useful too.

Happy to answer any questions about the Live Activities implementation!

delichon•1mo ago
That passive awareness of time passing would require me to look at the phone frequently, which I prefer to avoid. A gentle chime when the alarm is approaching would be better. I'd rather have something that fixes the overly alarming system alarm, e.g. by letting me select the audio file and starting it quiet and gentle. That would also be useful across apps, including oodles of timers and time boxers. But I don't know if phone OSes allow this kind of customization.
elevenapril•1mo ago
I hear you. It sounds like you have a good internal clock! For people with severe time blindness (like the friend I built this for), the problem is the opposite: time disappears completely. If she doesn't look, she assumes she has hours left when she only has minutes. The visual countdown acts as a prosthetic for that missing sense of time. But yes, if you don't struggle with that specific issue, checking the phone would definitely be annoying. A custom fade-in alarm sounds like a great idea for a different app.
delichon•1mo ago
I do have that problem, which is why I appreciate the warning chimes of my Pomodoro app. But I prefer my warnings to be in the audio mode, especially because I don't have to remember to pick up the phone to see what I'm forgetting.
elevenapril•1mo ago
It’s funny how different brains work. For her, any sound feels like an interruption or a 'demand' from the phone. She prefers the visual cue because it lets her check the time on her terms, rather than the phone interrupting her flow. But you're right—for 'eyes-free' awareness, you really can't beat audio.