Quincke rollers under pulsed electric fields are shown to perform programmable run-and-tumble and Lévy walks, with collective dynamics resembling bacterial suspensions.
A bacterial swimmer with two alternating speeds of propagation
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Tuning the random walk of active colloids
Quincke rollers under pulsed electric fields are shown to perform programmable run-and-tumble and Lévy walks, with collective dynamics resembling bacterial suspensions.