What’s hot and what’s not, Issue 03

Maths is a fickle world. Stay à la mode with our guide to the latest trends.

Maths is a fickle world. Stay à la mode with our guide to the latest trends.

HOT 5-minute talks

Show us your coolest stuff and let us chat to you later.

NOT 40-minute conference snores

You lost everyone after that entire page of algebra, mate.

HOT Maths T-shirts

Show your friends you’re better than them by wearing some maths they don’t understand.

e + 1 = SHUT UP

HOT 274,207,281 − 1

The new largest known prime number, found in January 2016!

NOT 257,885,161 − 1

17½ million digits of insignificance, you useless old largest prime.

HOT Fake proofs of the Riemann Hypothesis

Three cheers for Dr Enoch! We will never get tired of the panicked excitement following one of these.

NOT Counterexamples

Please don’t find one of these. It would ruin a lot of PhDs.

HOT Pizza cutting

Want equally-sized pieces but not all with crust? No longer only possible with just 6 or 12 friends!

NOT Volume = pi*z*z*a

Everyone knows you use the letters a for radii and z for heights.

More from Chalkdust

Penguins, prison and PDE patterns feature in our Spring 2023 issue. Plus all your favourite puzzles & columns.
• Dear Dirichlet, Issue 17

Canines, Cliff Richard and conditioning find their way into the prof's postbox this issue.
• Prize crossnumber, Issue 17

Can you solve it?