On Mar 7, 10:24*am, Cecil Moore wrote:
Dave wrote:
"Keith Dysart" wrote:
What is the mechanism that creates the effect we call interference?

superposition.

Not disagreeing - just expanding:
Superposition is certainly necessary but superposition
alone is not sufficient. Superposition can occur with
or without interference.
--
73, Cecil *http://www.w5dxp.com

So superposition is the underlying mechanism that can be used to
explain all.
Interference is a phenomon that is observed for certain particular
conditions of superposition.

Works for me.

...Keith