scott wrote:
> According to this page:> > http://math.ucr.edu/home/baez/physics/Quantum/see_a_photon.html> > A rod in your eye must receive about 5-9 photons over 100 ms to tell > your brain that something is there. That is a pretty damn small amount > of light.
And THAT is why when it's dark, everything seems "sparkly", I presume.
