Atomic clocks are the best time keepers, but need to be kept incredibly cold. Paradoxically, the cooling is achieved by shining light on them.
Bitcoin is a digital currency that isn't regulated by any kind of central authority. The structure which allows this decentralisation is called blockchain. But how, and how well, does it work?
Clément Mouhot tells us about his work trying to understand some of the most beautiful structures in mathematics and physics.
We talk to Ivan Smith, invited lecturer at the ICM 2018, about his work and what he likes about the Congress.
We talk to two of the organisers of the ICM 2022 in Saint Petersburg.
Daskalakis tells us about the work he is being honoured for, which involves complexity theory, game theory, online dating and traffic jams.
Caucher Birkar has been awarded the Fields medal for his contribution to algebraic geometry.