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Part I- We See

Physical Science- Light Unit
by

Maggie McWilliams

on 19 April 2010

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Transcript of Part I- We See



The HUMAN EYE:
-organ that allows us to interpret shapes, colors, and dimensions of objects by processing light.
Cornea- clear dome at the front of the eye, LIGHT waves pass through FIRST. Responsible for refracting light. Pupil- size changing hole in the iris, in which light passes through and then goes to the Iris- colored part of your eye the light rays strike the eye’s crystalline lens.
Optical Illusions Your brian searches and recognizes;
similiarity
patterns
shapes
colors
proximity 3D- How it works There are two different colored images shot at the screen, usually red and blue, and while wearing the 3D glasses the images are separated and create the illusion that the image is 3D.There are two different colored images shot at the screen, usually red and blue, and while wearing the 3D glasses the images are separated and create the illusion that the image is 3D. Why do we see the blinking dots in between? HOW WE SEE If you had 3D glasses, with red and cyan (blue) this dice would appear to be "popping out" in three dimensions. The optic nerve is sort of like an extension of the brain.
It is a bundled cord of more than a million nerve fibers. The light impulses
travel through this nerve fiber to the brain, where they are interpreted as
an image. Retina’s function is responsible for capturing all
of the light rays, processing them into light impulses, then sending them
ito the optic nerve. This clear, flexible structure
Iight rays pass through the vitreous:
a clear, jelly-like substance that fills
the globe of the eyeball.
Full transcript