ONE of the difficulties experienced by students desirous of becoming acquainted with the technical analysis of materials is that the description of the apparatus employed is scattered throughout a ...

The principles of colour perception, explained in terms of the interactions between a light source, an object and an observer. Fundamental aspects of light sources. The ways in which an object ...

Shade matching has always been a complex task involving multiple variables in which even the most experienced clinicians can make errors. It is, however, a crucial part of successful aesthetic ...