The behavior of crowds at heavy metal concerts […]. In these crowds, fans often form circles called mosh pits and then run together with physical abandon, bouncing off one another with arms flaying and legs kicking.
“The collective mood is inﬂuenced by the combination of loud, fast music (130 dB, 350 beats per minute), synchronized with bright, ﬂashing lights, and frequent intoxication,” say Jesse Silverberg and pals at Cornell University in Ithaca.
The resulting disorder may sound chaotic but Silverberg and co say it turns out to have all the properties of self-organised emergent behaviour. Today, they reveal the results of their study of this phenomenon.