Spotlight

Mark Buckley is a graduate student who studies colloidal suspensions with the Itai Cohen Group on Complex Matter Physics. "When you shear a colloidal suspension quickly its viscosity increases by orders of magnitude more than when it's being perturbed more slowly," says Buckley. "It's like cornstarch mixed with water: when you move your finger through it slowly it's thin like water, but if you move your finger though it quickly it's thick like an elastic solid. The micron-sized particles we ...
read more