Right. - K (01)
At 8:04 PM -0400 7/17/07, Jack Teller wrote:
>Kathryn, actually if these 'somethings' are NOT energy emitters, we are
>talking about light reflection. Then there is the whole bit of energy
>*present in the different frequencies of the source) that is absorbed
>by a surface and re-emitted at a certain (few) wavelength(s) [that
>gives its characteristic color to our eyes], and the surface growing
>warmer as a result of all the other energy absorbed, until it reached
>some equilibrium...
>
>Jack
>
>Kathryn Blackmond Laskey wrote:
>>> Many people have pointed out that his choice of example was
>>> unfortunate, since that sentence raises two thorny issues that
>>> Tarski did not intend to represent in his introductory paper:
>>> snow as a continuous substance, and the use of a singular noun
>>> for making a generic statement about all snow.
>>>
>>
>> Not to mention what it means for something to "be" a color. Are we
>> talking physics of light absorption? In what kind of light? Or are
>> we talking about human perception?
>>
>> Kathy
>>
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