Here’s another example of a doodle that can be drawn in a single stroke.
More from Chalkdust
Chalkdust Book of the Year 2024
We announce the shortlist of our favourite maths-themed books of last year
News, Issue 18
Today's weather: seasonal, highs of π/18.
Chalkdust issue 17 – Coming 22 May
Pre-order a copy and/or book your ticket for our launch event
Chalkdust issue 11 puzzle hunt #2
TD Dang sets the second puzzle. Can you solve it?
Chalkdust Issue 05 coming 7 March
Free launch party, 7.15pm. Come along! Free copies of Chalkdust, free pizza, and buy your own Chalkdust T-shirt.
What’s your favourite number?
Favourite numbers for many are linked to birthdays or anniversaries, but here is our take on the question