At 02:16 PM 5/28/2011, Mark Iverson wrote:
It is widely known that the 'rod' cells in the retina, which are
responsible for seeing in low light
levels, are more concentrated just outside the center of focus, and
the 'cone' cells primarily
responsible for color vision, are more concentrated in t
vorl bek wrote:
>
> I read in some magazine article that in a test, a flaring match
> could be seen at 14 miles.
>
I think I read something like that. That's the case where there is no other
light, such as a dark night at sea.
During WWII in convoys crossing the Atlantic, passengers and sailors
> On Sat, May 28, 2011 at 2:16 PM, Mark Iverson
> wrote:
> >
> > It is widely known that the 'rod' cells in the retina, which
> > are responsible for seeing in low light levels,
>
> Indeed, a single photon can cause a rod cell to fire.
I read in some magazine article that in a test, a flaring ma
On Sat, May 28, 2011 at 2:16 PM, Mark Iverson wrote:
>
> It is widely known that the 'rod' cells in the retina, which are responsible
> for seeing in low light
> levels,
Indeed, a single photon can cause a rod cell to fire.
T
tina. Thus, one can
better see faint objects at night by looking slightly off center...
-Mark
-Original Message-
From: Harry Veeder [mailto:hlvee...@yahoo.com]
Sent: Saturday, May 28, 2011 10:57 AM
To: vortex-l@eskimo.com
Subject: [Vo]:Blondlot on observing N-rays with the naked eye.
I&#x
I've noticed that a star will appear slightly brighter when I shift my focus
just to the side of the star.
Harry
How the Action of N Rays Should be Observed
It is indispensable in these experiments to avoid all strain on the eye, all
effort, whether visual or for eye accommodation, and in no w
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