Archive - Math, Physics, Tau, et alia

Jun 28 •

May 2025

The Art of Problem Solving (plus a Tau Day note)

Thanks for subscribing to Michael Hartl’s Substack (including The Tau Manifesto).

May 29 •

March 2025

An AoPS Problem for Half Tau Day 2025

Happy Half Tau Day, everyone!

Mar 14 •

December 2024

How to Prove It by Daniel Velleman

Thanks for subscribing to Michael Hartl’s Substack (including The Tau Manifesto).

Dec 20, 2024 •

June 2024

Jun 28, 2024 •

April 2024

Another Contest Math Problem

Problem 387 from AoPS, Volume 1

Apr 4, 2024 •

March 2024

Happy Half Tau Day 2024

Happy Pi Day—or, as I prefer to call it, Half Tau Day!

Mar 14, 2024 •

January 2024

Time Dilation and the Star Trek Dream

Solving a problem in special relativity

Jan 13, 2024 •

December 2023

Solution to a Contest Math Problem

Exercise 7-2 from AoPS, Volume 1

Dec 20, 2023 •

November 2023

Math Learning Project Status Update

(Intro to Math)

Nov 8, 2023 •

October 2023

Pure Mathematics for Beginners

Thanks for subscribing to Michael Hartl’s Substack (including The Tau Manifesto).

Oct 20, 2023

Resources for Math Learning

Oct 4, 2023 •

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts