Grokking Hash Array Mapped Tries (HAMTs)(photonlines.substack.com)

42 points by photon_lines 3 years ago | 5 comments

A Visual Intro to Complex Numbers(photonlines.substack.com)

91 points by surprisetalk 13 days ago | 57 comments

A Substack article giving a visual, intuitive introduction to complex numbers, including a historical overview of how they were developed and why they are useful.

Visualizing Neural Networks(photonlines.substack.com)

85 points by photon_lines 3 years ago | 14 comments

Grokking AVL and RAVL Trees(photonlines.substack.com)

45 points by photon_lines 3 years ago | 13 comments

Schrödinger's Cat and Heisenberg's Cut(jimbaggott.substack.com)

13 points by lawrenceyan 1 year ago | 3 comments

Noether's Theorem Revolutionized Physics(quantamagazine.org)

109 points by MindGods 1 year ago | 46 comments

PeerTube is a free, decentralized and federated video platform(github.com)

592 points by doener 3 months ago | 274 comments

GitHub repository for PeerTube, an AGPL-licensed ActivityPub-federated video streaming platform that uses P2P delivery in the browser.

A walking tour of surveillance infrastructure in Seattle (2020)(coveillance.org)

388 points by eustoria 4 months ago | 265 comments

A Coveillance guide describing a walking tour of Seattle surveillance sites, including cameras, Amazon Go, license plate readers, a fusion center, and an AT&T NSA peering site.

The GJK Algorithm: A weird and beautiful way to do a simple thing(computerwebsite.net)

596 points by arithmoquine 2 years ago | 56 comments

An illustrated explainer of the Gilbert-Johnson-Keerthi (GJK) algorithm for determining whether two convex shapes overlap.

A New Experiment Meta-Strategy(chillphysicsenjoyer.substack.com)

26 points by surprisetalk 1 month ago | 1 comments

A Substack post by an amateur physicist describing a new strategy for doing home experiments after reorganizing a messy lab to fit limited free evenings.

Terence Tao explains 6 essential mathematical concepts [video](youtube.com)

582 points by matthewsinclair 1 month ago | 77 comments

A Big Think YouTube video in which mathematician Terence Tao explains six essential concepts of mathematics.

So you want to parse a PDF?(eliot-jones.com)

369 points by UglyToad 1 year ago | 199 comments

Blog post by Eliot Jones explaining how PDF parsing should work per the spec, covering headers, cross-reference tables, object offsets and trailers, and its real-world pitfalls.