On May 23, 7:17*pm, Art Unwin wrote:
On May 23, 9:55*am, Cecil Moore wrote:
eyes which evolved to detect photons, not electrons.
Where is that stated in print?
I did a Yahoo search for, "eye detection of photons", and got 705,007
hits. Here's one of them from the Kansas State University Physics
Dept.
http://web.phys.ksu.edu/vqmorig/tuto...0Photons..html
"It has been demonstrated that light-sensitive cells in our eye (rod
cells) are able to detect single photons."
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73, Cecil, w5dxp.com