threshold-combined

Adding blur and threshold distorts the dual graph.

Sam is a PhD student at Durham University working on structures in the solar wind and struggles to say no to outreach projects.

Chalkdust dissertation prize 2026
Your chance to get your work published as a Chalkdust article---read on to find out more!
In conversation with Anne Skeldon
Sam Kay and Ellen Jolley race against the body clock with the University of Surrey professor
The big argument: 6 or 7?
✋ Which is best? 🤚
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
The big argument: Should we write another issue?
How much barrel is left to scrape?