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The universe appears "old", but it is still less than 10,000 years old
RE: The universe appears "old", but it is still less than 10,000 years old
Quote:Electromagnetic radiation with a wavelength between 380 nm and 760 nm (400–790 terahertz) is detected by the human eye and perceived as visible light. Other wavelengths, especially near infrared (longer than 760 nm) and ultraviolet (shorter than 380 nm) are also sometimes referred to as light, especially when the visibility to humans is not relevant. White light is a combination of lights of different wavelengths in the visible spectrum. Passing white light through a prism splits it up into the several colors of light observed in the visible spectrum between 400 nm and 780 nm.
If radiation having a frequency in the visible region of the EM spectrum reflects off an object, say, a bowl of fruit, and then strikes our eyes, this results in our visual perception of the scene. Our brain's visual system processes the multitude of reflected frequencies into different shades and hues, and through this insufficiently-understood psychophysical phenomenon, most people perceive a bowl of fruit.
At most wavelengths, however, the information carried by electromagnetic radiation is not directly detected by human senses

http://en.wikipedia.org/wiki/Electromagn...28light.29

For light to be perceived it must have very precise and well understood properties which would make this instantaneous movement thing so laughably stupid it if it wasn't so sad.



You can fix ignorance, you can't fix stupid.

Tinkety Tonk and down with the Nazis.




 








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RE: The universe appears "old", but it is still less than 10,000 years old - by downbeatplumb - February 15, 2014 at 11:32 am

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