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Volume 15 Issue 11, November 2019

Odd viscosity

A chiral fluid comprising spinning colloidal magnets exhibits macroscopic dynamics reminiscent of the free surface flows of Newtonian fluids, together with unique features suggestive of Hall—or odd—viscosity.

See Irvine et al.

Image: Vishal Soni, Ephraim Bililign, Sofia Magkiriadou, University of Chicago. Cover Design: David Shand

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  • Half of the 2019 Nobel Prize in Physics was awarded to James Peebles “for theoretical discoveries in physical cosmology” and the other half is shared by Michel Mayor and Didier Queloz “for the discovery of an exoplanet orbiting a solar-type star”.

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  • The demonstration of a quantum computational advantage is a milestone worth celebrating.

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