There is an interesting article for download at www.streamsystems.com.au that takes einstein's equation, e = mc(squared) and suggests that a DUALITY exists between MASS and "light squared". It would be an understatement to say it is a real brain-teaser. It's interesting because some philosophies have taught a duality between MASS and LIGHT, darkness and light, and the article really chews into that concept by applying a theory of perception relevant to that philosophical duality.

The article basically presents that the DUALITY that exists between MASS and "light squared" is also associated to a duality that exists in the form of "zero" and "infinity", not necessarily as MASS and "light squared" respectively, a duality which can then though be applied to the human features of perception of "sensation-sensory" and "action-motor".

It is not possible to present all the features of the article here at this instance, it is that detailed, but it would make for a fascinating symposium, a real brain teaser.