More from Chalkdust

Coffee problems
Patrick Hedfeld has bean there, modelled that
Chalkdust issue 11 puzzle hunt #4
Humbug sets the fourth puzzle. Can you solve it?
Carnival of mathematics 152
We round up some of the last month's top mathematical posts from around the internet
Is it possible to reach absolute zero?
After 100 years, a key postulate of the third law of thermodynamics has been proven. We meet Lluis Masanes, one of the researchers responsible.
The spider witch project
Constructing a spiderweb: in the spookiest and most horrific way possible!
The mathematics of tea-making
When-to-add-milk confusion and other related matters
