Description

Foams or bubble dispersions are common to milkshakes, bread, champagne froth, shaving mousse, shampoo, crude oil extraction systems, upholstery packing and bubble wrap, whereas the term droplet is often synonymous with either a small drop of water or a drop of oil a type of coarse dispersion. The latter are seen in butter and milk, household paint, nicotine patches and medical ointments or creams. The two most common types of coarse dispersion (emulsions and foams) are constituted from nanoparticles or nanostructures.

More from this issue

The activity described here makes use of the computer models of protein structures that are used by professional scientists to allow pupils to...

Jan 2013
Journal Article

This article outlines some engagement or'showmanship' devices to enhance the impact of live practical demonstrations. Adults who...

Jan 2013
Journal Article

Gravity is an intangible abstract force when considered theoretically and yet we are affected by it constantly. The apparently'strong'...

Jan 2013
Journal Article