Archimedes Lab Project

The Curta calculator, invented by Curt Herzstark, is perhaps the most ingenious mechanical calculator ever made.

Ever wondered what a musical interval might look like?

The Smith chart is a graphical representation of the complex plane obtained through a Möbius transformation.

Three purple balls are lined up and set to rotate around the yellow ball A.

A Wave-Driven Performance A shark’s undulatory locomotion is characterized by a tripartite wave pattern.

For many years, we collaborated with Publications International Ltd.

The ten digits we use every day—0, 1, 2, 3, 4, 5, 6, 7, 8, and 9—are such familiar companions that it’s easy to forget they were once the new kids on the block.

Most of us have seen those three neatly interlocked rings at one time or another.

The sides of a pentagon, hexagon, and decagon, inscribed in congruent circles, form a right triangle.

From Tribar to Trefoil knot— a journey through some of the most intriguing impossible triangle variants.