Guy -- This is a key idea. 'Mediation' refers to the transformation /
transduction of signals at a boundary (in general it refers to no direct
transfer across boundaries). In the case before us, that boundary is
between systems that exist / function at different scales. Note, then, that
a photon
Replying to Kevin --
On Tuesday, Sep 28, 2010 at 6:29 PM, Kevin Kirby ki...@nku.edu wrote:
-snip-
On flows across scales, this itself need not be mysterious. Take a single
photon hitting a rhodopsin molecule in the retina of a vertebrate then
[...long chain here...] triggering a
