As their leaves drop in the winter, it's obvious that no two trees are the same. Here's what to know about those with twisted or spiral trunks.

Is it possible to tile a surface with a single shape in such a way that the pattern never repeats itself? In 2022, a mathematical solution to this 'Einstein problem' was discovered for the first time.

Spiral earring with spherical stone - Simple jewelry from copper wire This earring pattern an use any size of stone you have ( with hole) With simple steps and simple tools Anyone can make their own ...

A tree with a spiral trunk is growing in a city. - Wulingyun/Getty Images ...

This file provides functions and modules that construct shapes from a list of cross sections. In the case of skin() you specify each cross sectional shape yourself, and the number of points can vary.