Colour and Information Transfer

Colour and dimensionsEveryone is aware of the three dimensions of space – length, width (or depth) and height, which are typically expressed in graphs as three mutually perpendicular axes – x, y and z, representing relative positions involving movement from side to...

The International Phonetic Alphabet

Phonetic language vs natural languages The international phonetic alphabet has been designed to cover all of the sounds in all of the languages spoken by humans in the world.  It consists of many symbols, each of which uniquely represents one and only one sound, so...

Every Picture Tells a Story

Every Picture Tells a Story …  Stories for children … All books for very young children have pictures – drawings, paintings & photos.  They also have words, which the adults read to the children.  The pictures help to tell the story and the children...

A Way With Words

A Way with Words … Prehistory … In prehistoric times, there would have been only speech and no writing or reading.  Speech itself would have been very basic, probably starting with only vague grunt-like sounds, accompanied by much gesturing and waving of...

Vamp Up Your Presentation

Need for graphicsPresentations, reports, lectures, articles, club reports, assignments, theses and similar items can be very boring if they consist only of words with no graphic display material.  This can even be true when overhead transparencies in a lecture or...