Spreading Liquid with Three.js 🔸The author implemented a liquid foundation effect using a fluid simulation and height maps, allowing users to drag their mouse or finger across the liquid. The effect uses velocity maps to create realistic movement and blending of colors. 2026-11-05 04:05 💬 comments 🌍 @hackernews_summary

11 Nanoseconds per Word: Over-Optimizing Anagrams 🔸The author optimized a Word Ladder game solver by using a collision-free prime-product identifier for each word in the dictionary, reducing its time complexity from 173 nanoseconds to 1.96 milliseconds. The optimization involved packing letter count vectors into integers and using Gödel numbering to create unique identifiers for words. 2026-11-05 03:05 💬 comments 🌍 @hackernews_summary

PageScribe: Handwriting and offline dictionary audio for KOReader 🔸The author created PageScribe, a handwriting plugin for KOReader e-readers, allowing users to write notes and select text with their finger. The plugin also integrates with Dictionary Audio for offline pronunciation lookup. 2026-11-05 00:45 💬 comments 🌍 @hackernews_summary