Yair Mau

Notes on mathematics, physics, and things I make.

> A clean desk is the sign of a sick mind.

elections 2026

Today we voted for the Israeli Knesset. My wife and I went to vote around 10am at the elementary school just next to our home, where our daughters study. It was packed full.…

Group theory with pizza

math

it’s yummy and mathematical

Fold into thirds

math

origami

easier than you think

Prometheus is to Epimetheus

as Deduction is to Induction

Legendre transformations visualized

math

physics

much more than algebraic manipulations

Great and Small Stellated Dodecahedron

origami

projects

math

one piece, two shapes

Snapology

origami

projects

math

make anything from strips of paper

Celestial

origami

projects

math

the rhombic hexecontahedron

Triangle Edge Module

origami

projects

math

Make a surprisingly sturdy dodecahedron

PHiZZ

origami

projects

math

Fun ziz-zag modular origami unit

A4 paper

projects

math

What’s the logic behind this paper?

Doubling Time

science

Here is an incredibly useful equation to calculate doubling times

Parabolic Hyperboloid

projects

math

A pringles-shaped construction

Skewer Hyperboloid

projects

math

The crown you always wanted

George Hart’s Card Constructions

projects

Beware, it boggles the mind!

Tomoko Fuse Unit Origami

projects

Endless fun

The Sonobe Module

projects

The best way to start doing modular origami

Hexastix

projects

Crazy construction made of 72 pencils

Pythagorean theorem

math

One of the oldest theorems, always fresh :)

The can problem

question

How does the center of mass of a can of soda vary with the level of the liquid?