IN making some experiments on the mixture of liquids entering into another liquid at the extremity of a tube of small diameter, a phenomenon presented itself which attracted my attention as both new ...

Solids, liquids and gases. In a solid like this brick, the particles are regularly arranged touching their neighbours and move only by vibrating. This explains why solids have a fixed shape. In a ...

Physicists have found that some liquid metals which appear to be non-magnetic -- such as mercury, aluminium, gallium and lead -- actually contain magnetic moments that appear and disappear on ...