[ExI] ???

Darin Sunley dsunley at gmail.com
Mon Jun 10 18:03:18 UTC 2019

It's an ancient Greek theory that, because it was advocated by Galen (2nd
century) retained a lot of prestige in Europe through the Dark Ages.


On Mon, Jun 10, 2019, 11:53 AM Mike Dougherty <msd001 at gmail.com> wrote:

> On Mon, Jun 10, 2019, 1:43 PM William Flynn Wallace <foozler83 at gmail.com>
> wrote:
>> I have never in my life run across such a crazy idea,but apparently it is
>> fairly widespread.
>> The idea is that vision is accomplished by the eyes sending some sort of
>> rays out to world and perhaps reflecting back to the eyes to be seen.
>> Have any of you run across this?  I have heard of some crazy things in my
>> life, but this is now #1.
> I imagine it comes from early drawings of light going into the optics of
> an eye...
> I'm not sure how the leap is made to get to the eye sending out a beam
> though.
> Maybe it's like the red laser eyes of a terminator or a borg?  Or maybe
> those ideas echo the earlier notion that the eye sends a signal... like
> radar?
> It's an interesting question
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