Simulating the universe: how to model the cosmos with Einstein’s equations
Einstein’s equations of general relativity might be simple enough to fit on a physicist’s coffee mug, but solving them is no mean feat. Now, however, the equations have been solved in a cosmological setting for the first time, as Tom Giblin, James Mertens and Glenn Starkman explain. Elsewhere in the issue, find out about the good and bad of nanoparticles and explore the potential that skyrmions – unusual magnetic quasiparticles – could hold as a new form of memory storage.
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