Left: The large rectangle is plastic and can be split into a square (blue) and two plastic rectangles (red and {green).
Centre: The two arcs drawn in each square.
Right: A Harriss spiral.
Image: Chalkdust.
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Chalkdust dissertation prize winner 2024
Molly Ireland shares her experience of winning our first ever dissertation prize!
Prize crossnumber, Issue 14
Win a £100 Maths Gear goody bag by solving our infamous puzzle
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We explore the concept of emptiness in set theory, and explain how zero went from "nothing" to "something"
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Mathematical fashion advice for an ever-changing world
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.
Can you solve these puzzles?
While we work on issue 2