Granular materials are ubiquitous in our daily lives. While they have been the subject of
intensive engineering research for centuries, in the last two decades granular matter has …

In this review article, we focus on collective motion in externally driven colloidal
suspensions, as well as how these collective effects can be harnessed for use in microfluidic …

The small size and wireless actuation of microrobots make them potential candidates for
minimally invasive medicine. To advance microrobots to future clinical application …

Abstract Systems governed by time reversible equations of motion often give rise to
irreversible behaviour,,. The transition from reversible to irreversible behaviour is …

Engineered two-phase microfluidic systems have recently shown promise for computation,
encryption, and biological processing. For many of these systems, complex control of …

Hailed as one of the key areas of nanoscience likely to shape future scientific research, self-
assembly offers the most promising route to true molecular nanotechnology. Focusing on …

Microfluidics typically uses channels to transport small objects by actuation forces such as
an applied pressure difference or thermocapillarity. We propose that acoustic streaming is …

Acoustic waves can generate steady streaming within a fluid owing to the generation of
viscous boundary layers near walls of typical thickness δ. In microchannels, the acoustic …

We show that granular media, consisting of metallic microparticles immersed in a poorly
conducting liquid in a strong dc electric field, self-assemble into a rich variety of novel …

We describe experiments and simulations demonstrating the propulsion of a neutrally
buoyant swimmer that consists of a pair of spheres attached by a spring, immersed in a …