Read article: An uncertain growth Modelling and simulation Opinion and reviews An uncertain growth Susan Curtis reviews Growth: From Microorganisms to Megacities by Vaclav Smil
Read article: Energy efficiency guides lotus leaf growth Modelling and simulation Research update Energy efficiency guides lotus leaf growth Different shapes of lotus leaves grown on and above water are due to mechanical effects, not plant genetics
Read article: Voter model examines how opinions spread between social networks Modelling and simulation Research update Voter model examines how opinions spread between social networks Statistical physics model sheds light on how opinions propagate among and between communities
Read article: Bread machines get a much-kneaded physics makeover Materials Research update Bread machines get a much-kneaded physics makeover Devices with a more highly curved spiral arm or two spiral arms that mimic hand kneading could produce a better-quality dough
Read article: How well can biological cells sense their environment? Modelling and simulation Research update How well can biological cells sense their environment? Mathematical model puts new constraints on fundamental sensing limits
Read article: Self-regulating behaviour helps ants avoid traffic jams Data acquisition and analysis Research update Self-regulating behaviour helps ants avoid traffic jams Unlike humans, ants maintain flow even in crowded conditions
Read article: Exploring the computational universe with Stephen Wolfram Modelling and simulation Interview Exploring the computational universe with Stephen Wolfram The physicist and Mathematica creator reflects on how computational tools have changed in the past 30 years, and on the role that computational thinking plays in physics
Read article: Treating epilepsy with physics Biophysics Feature Treating epilepsy with physics Louis Nemzer describes how studying the physics of the brain could help people with epilepsy by predicting the onset of seizures
Read article: The physics of epilepsy, drones to monitor Chernobyl, and the ‘model-independent’ approach to particle physics Medical physics Blog The physics of epilepsy, drones to monitor Chernobyl, and the ‘model-independent’ approach to particle physics The September 2019 issue of Physics World is now out in print and digital formats
Read article: Mapping the network of international tourism Modelling and simulation Blog Mapping the network of international tourism A talk about world travel patterns at the APS March meeting raises fascinating questions about how and where people choose to go