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Show HN: Echologue – the private AI voice journal I built for myself

I have tried journaling many times but nothing stuck. So I decided to make my own app for myself with these features: * Voice first * Private first * AI chat * Automatic tagging, meaning extraction, and semantic retrieval using embeddings stored locally * Export to LLM the AI angle is especially interesting for me. It allows me to ask questions like: * "remind me highlights and crazy nights in the last 3 months" * "How was I feeling during my trip in Spain and how big of a problem was my breakup

2026-07-29 原文 →
AI 资讯

Show HN: Experiments with Weather Data

I had been wanting to try experimenting with nowcasting since the death of Dark Sky and finally got around to it. This application essentially became a playground for me to experiment with various weather datasets and geospatial visualizations. Some interesting concepts that came from it: The nowcast is using pySTEPS optical flow under the hood: https://pysteps.readthedocs.io/en/latest/auto_examples/plot_... . This library is super cool. It bugged me that every radar visualization just gave you

2026-07-29 原文 →
AI 资讯

Ask HN: Anyone else tired of brands discontinuing your favorite everyday items?

Hi everyone, 1 I've run into the same problem over and over again. When an item wears out, I can't buy the exact same one anymore. It's been discontinued. Or it has been changed while keeping only the same name. 2 I assume this isn't only my problem. I've heard many stories about people not being able to buy the same shoes, T-shirt, perfume, or jacket again. 3 I understand why manufacturers do this. I have no questions for them. What matters more to me here is us — customers, or simply people. A

2026-07-29 原文 →