threshold-combined

Adding blur and threshold distorts the dual graph.

Sam is a PhD student at Durham Univeristy working on structures in the solar wind. His pastimes include pestering Clare about Linux and making Adam feel old. Seriously, who remembers the 80s?

Chalkdust dissertation prize 2025
Calling all final-year students! This is your opportunity to get your work published as a Chalkdust article.
A symmetric universe
Sam Kay reflects on building a universe
Easy to state, hard to prove: The Collatz conjecture
90 years later, we're still unable to prove this surprisingly simple statement
The big argument: Should we write another issue?
How much barrel is left to scrape?
The big argument: What’s the best way to end a proof?
QED or $\square$?
Page 3 model: Bees
You won't bee-lieve it

More from Chalkdust

Chalkdust dissertation prize 2025

A symmetric universe

Easy to state, hard to prove: The Collatz conjecture

The big argument: Should we write another issue?

The big argument: What’s the best way to end a proof?

Page 3 model: Bees