Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A fractal based on a triangle with four equal triangles inscribed in it. The central triangle is removed and each of the other three treated as the original was, and so on, creating an infinite regression in a finite space.
- ‘This description conjures up images of cycloids, Sierpinski gaskets, ‘cowboy hat’ surfaces, and multi-colored graphs.’
- ‘A well-known algorithm for drawing a Sierpinski triangle starts with a sequence of 0s and 1s.’
- ‘There is an interesting relation between the puzzle graph of the Towers of Hanoi puzzle and Pascal's triangle, and hence the Sierpinski gasket too.’
1970s: named after Wacław Sierpiński (1882–1969), Polish mathematician.
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.