Moshers, Heavy Metal and Emergent BehaviorThe collective behavior of moshers at heavy metal concerts is mathematically similar to a disordered 2D gas, say physicists. The behavior of crowds at heavy metal concerts is surely a topic close to the hearts of many readers of the Physics arXiv Blog. In these crowds, fans often form circles called mosh pits and then run together with physical abandon, bouncing off one another with arms flaying
