A surface connecting all field points (of electromagnetic energy) that are equidistant from the source.

The straight surface of a plane wave, crest or trough. A plane wave moves in a direction that is perpendicular to the wavefronts. Click for a more detailed description. Back to Wave Index

A small section of an expanding sphere of electromagnetic radiation that is perpendicular to the direction of travel of the energy.

A graphics image format devised by Wavefront Technologies Inc for storing pictures in a machine independent way. There are two formats, RLA and RLB and contain alpha channel data as well as colour data. On the Amiga these can be handled by ADPro's Professional Conversion Pack.

Describes technology used to "map" how the eye processes images, enabling correction through surgery or lenses for obscure vision errors.