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Show HN: Infinite canvas notes in the non-Euclidean Poincaré disk

Hi! This is an infinite canvas note-taking tool where notes are laid out in a non-Euclidean, hyperbolic geometric space. As you drag and navigate through the view, you’ll experience a unique fluid distortion that naturally leverages your brain's spatial memory. I’ve been obsessed with the concept of space in HCI for years. Many modern UI patterns are essentially workarounds for the lack of screen real estate. While researching zoom-based UIs a while back, I stumbled upon old HCI papers that used

2026-06-03 原文 →
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Show HN: Live breath detection and biofeedback from a phone microphone

Hi everyone, I am Felix, a famliy doctor from ZH, Switzerland. A couple of month ago I started this little project called shii • haa, a breathing app that uses the phone`s microphone for live biofeedback My prior work in emergency medicine and intensive care was closesly linked to breathing, mostly in critical situations... and let me to reevaluate my own way of breathing. over time one question popped into my mind: can medical knowledge and biofeedback make an app actually promote self-awarenes

2026-06-03 原文 →
AI 资讯

The screenless Camp Snap 2 is slimmer and comes with more filters

After expanding its offerings to video with the CS-8 inspired by Kodak and Canon's retro Super 8mm film cameras, Camp Snap is returning to its roots. The Camp Snap 2 is a sequel to the company's first screenless digital point-and-shoot camera that updates the original with a slimmer design, faster performance, filters available right out […]

2026-06-02 原文 →