Thursday, March 12, 2009

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2 Color - The color physics

physics tells us that the color could not exist without light.
Everything is illuminated, in fact, returns a portion of the light received.
Our eyes are able to receive the light emitted by objects and encoding it so the form, the ratio of light and dark and color.
These codes are then sent through the nerve optical to the brain which processes and allows us to state that a given object is of a certain color.
See the color is then a feeling, just as taste of food or listen to a sound.


Everything is illuminated returns part of the incoming light and produces in us the perception of color.
In fact, the light is just electromagnetic energy only visible when you run into any matter: energy is then made visible by its different way of being re-issued after interacting with matter.
In the light we can distinguish a unit energy called photons.
When an object is illuminated, in our example the tomato, the photons that are beginning to invest interact with the electrons that make up the matter. The electrons try to "shake off" the energy they have received from other photon emitting photons, which travel at certain wavelengths.

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