Pgsemantic – Point at your Postgres DB, get vector search instantly
In plain words
Pgsemantic is a tool that enables vector search functionality for PostgreSQL databases without requiring additional setup. Users point the tool at their existing Postgres database and gain instant access to semantic search capabilities. It is designed for developers and data teams who want to implement vector search without managing separate infrastructure. The tool integrates directly with Postgres, streamlining the process of adding AI-powered search to applications.
written from the facts on this page · September 2026
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Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…
Life & fun · 26d ago · baselashraf81.github.io
Launched alongside, March 2026
the whole month →

Switch from ChatGPT to Claude with import memory feature
AI · Mar 2026 · claude.com


