# Articles

Clément Mouhot tells us about his work trying to understand some of the most beautiful structures in mathematics and physics.

The Nevanlinna prize winner Constantinos Daskalakis explains why equilibrium may be unattainable and why it's good to be constructive.

Daskalakis tells us about the work he is being honoured for, which involves complexity theory, game theory, online dating and traffic jams.

Harvey Friedman tells us about a mathematical movement called constructivism and why we need it.

Spider solitaire is a popular online game. But are users right in their suspicion that some programs are rigged?

Physics is all about observation. But how much can we actually see with the naked eye?

The limits to what we can observe are not only a matter of science, but also of politics and economics.

Observing the smallest building blocks of matter doesn't involve seeing in the ordinary sense.

If you can prove that a statement can't possibly be false, does this mean it's true?