Life & fun · February 17, 2024
A Standard for Misdirected Email
In plain words
A Standard for Misdirected Email is an IETF technical standard addressing the problem of emails sent to unintended recipients. It provides a framework for handling and managing misdirected messages within email systems. The standard is designed for email administrators and system operators who need to implement protocols for detecting and processing incorrectly addressed messages. It offers a systematic approach to reducing confusion and potential privacy issues when emails reach the wrong destination.
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:…
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