Engineers at the University of Colorado Boulder have confirmed what the germ-phobic among us have long suspected: The flush of a commercial toilet releases a Vesuvius-like cloud of tiny droplets and ...

Putting tiny magnetic particles inside ordinary water droplets can turn them into liquid acrobats – the droplets can climb steps, leap over obstacles and jump-start chemical reactions. This level of ...

Anfinrud et al. now illustrate in the Journal 1 how liquid droplets exhaled during speech can linger in the air. The large particles to which they refer remain airborne only briefly before settling ...

Physicists at the University of Bayreuth have investigated the so-called Basset–Boussinesq history force acting on particles in fluids. Due to the difficulty of calculating it, this force is often ...