Refurb Radar
Instant email alerts when Apple refurb Macs restock
What it does
Apple's certified-refurbished desktop Macs sell out in minutes and restock at random — usually overnight. Refurb Radar scans Apple's US refurb store every 60 seconds and emails you within a minute of your Mac coming back, with per-build watches (chip, RAM, storage). It also publishes live measured restock data: restock frequency per lineup, median time to sell out, and the overnight drop window. Free, no account, one-click unsubscribe.
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Commerce · 26d ago · equitybee.com
Launched alongside, August 2026
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Life & fun · 10d ago · louisabraham.github.io
- SA
Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io
I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
AI · 16d ago · simedw.com