Read article: ‘Speed limit’ on changes in non-equilibrium systems confirmed by new experiment Atomic and molecular Research update ‘Speed limit’ on changes in non-equilibrium systems confirmed by new experiment Dissipation–time uncertainty relation studied using a trapped ion
Read article: Complex numbers are essential in quantum theory, experiments reveal Quantum mechanics Research update Complex numbers are essential in quantum theory, experiments reveal Imaginary numbers are more that just a mathematical convenience
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Read article: Spacecraft in a ‘warp bubble’ could travel faster than light, claims physicist Astronomy and space Research update Spacecraft in a ‘warp bubble’ could travel faster than light, claims physicist Soliton scheme needs vast amounts of energy
Read article: Fundamental constants set upper limit for the speed of sound Mathematical physics Research update Fundamental constants set upper limit for the speed of sound Simple yet “eye-catching” formula agrees with experimental results
Read article: 3D microscopy reveals how human sperm swim Biophysics and bioengineering Research update 3D microscopy reveals how human sperm swim Researchers find that sperm swim in corkscrew motions to compensate for the asymmetry in their tails
Read article: The physics of public opinion Mathematical physics Feature The physics of public opinion Ever wonder how the public mood can change suddenly? Rachel Brazil investigates how physicists try to predict shifting opinions using physical laws
Read article: A mathematical mindset: Graham Farmelo sings the praises of string theory Mathematical physics Opinion and reviews A mathematical mindset: Graham Farmelo sings the praises of string theory Matin Durrani reviews The Universe Speaks in Numbers: How Modern Maths Reveals Nature’s Deepest Secrets by Graham Farmelo
Read article: Breakthrough prize criticized for rewarding ‘failed ideas’ Mathematical physics News Breakthrough prize criticized for rewarding ‘failed ideas’ A $3m Special Breakthrough Prize has been awarded to the theory of supergravity but some say that high-profile prizes should not be given to work that is groundless in experiment
Read article: Solve for X Mathematical physics Opinion and reviews Solve for X Ian Randall reviews All of Physics (Almost) in 15 Equations by Bruno Mansoulié
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