Countless Earnhardt fans honor The Intimidator by remaining fans of Dale Jr. It's a family tradition. And although Dale Jr. has not enjoyed the success of his father, few drivers enjoy his popularity. Earnhardt Jr. has, in fact, been voted NASCAR's most popular driver each of the last eight years.
A colloid is a mixture of a small insoluble particles that are dispersed in a medium and do not settle out (in any practical period of time). colloid is a type of mechanical mixturewhere one substance is dispersed evenly throughout another.
A colloidal substance is any which has the quality of having another substance diffused evenly throughout it. In the example of milk, there is a dispersal of liquid butterfat within a water-based solution. In this case, the liquid butterfat, the smaller molecule, is within the range of 1 nanometer and 1 micrometer, making it invisible to an optical microscope.