Extreme congestion of microswimmers at a bottleneck constriction

Marvin Brun-Cosme-Bruny, Vincent Borne, Sylvain Faure +3

When attracted by a stimulus (e. g. light), microswimmers can build up very densely at a constriction and thus cause clogging. The micro-alga \textit{Chlamydomonas Reinhardtii} is…