Physics World June 2021

Shape shifting: topology gets a fluid makeover

In this month’s cover feature, science writer Jon Cartwright reports how the consequences of topological behaviours in fluid dynamics could be far-reaching for our understanding of the natural world and other complex systems, such as fusion tokamaks. Elsewhere, Robert P Crease summarizes the history of muon “g–2” experiments, which seek to measure g – the ratio of this particle’s magnetic moment to its spin – that that could be a hint of “new physics”. Meanwhile, Anna Starkey explores how different approaches to visualizing physics can open up the way that society thinks and feels about physics as an imaginative human endeavour.

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