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Old 06-23-2013, 07:22 PM
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Dragar Dragar is offline
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Join Date: Jan 2005
Location: The Cotswolds
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Default Re: A revolution in thought

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Originally Posted by peacegirl View Post
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Originally Posted by Dragar View Post
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Originally Posted by peacegirl View Post
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Originally Posted by Angakuk View Post
In the case of the laser and the red spot on the wall, what is the object that we are seeing when we see the red spot on the wall?
You are mixing up light (like David does), which takes time to strike the wall because the laser has just been turned on, and seeing the actual object due to light's presence. These are two different things. If the Sun was just turned on, we wouldn't see the light on the wall either because it hasn't yet arrived. This doesn't contradict efferent vision in the least.
Hilarious response! Come on peacegirl, answer Ang.

"In the case of the laser and the red spot on the wall, what is the object that we are seeing when we see the red spot on the wall?"
I did answer him. Traveling light is not what is under discussion. It obviously takes time for light to travel from A to B. But when we look at a distant object, we are not waiting for light to arrive in order to see said object. We see said object because it's there to be seen due to meeting the requirements of efferent vision. In this account there is no travel time. The image that is on film is the same exact image that we see in real time. That is because the image is not reflected in the light. The light is revealing the object and it's already at the film or retina. I wonder how many more times am I going to have to repeat this!
Okay, so forget traveling light. In the case of the laser and the red spot on the wall, what is the object that we are seeing when we see the red spot on the wall?
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Angakuk (06-24-2013)
 
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