Girl guides, cooking, and public transport find their way into the prof's postbox this issue.
Roll up, roll up! Squid Game, hidden harmonies and DnD coming your way in Issue 15. (Plus all the usual nonsense.)
Make your own Ecki
David Sheard explores the rich mathematics and history behind the Apollonian packing, and the cover of issue 11
Blood is exceptionally complicated and its composition varies from person to person. So how do we begin to model it?
Solving differential equations instantaneously, using some electrical components and an oscilloscope
