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Old 04-10-2010, 07:22 AM
 
Location: Bel Air, California
23,766 posts, read 29,054,423 times
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Seriously, I've often heard that colors (or something) can neither be created nor destroyed and yet, when the snow turns to water it is clear. What's up with that and why isn't anyone working on this?
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Old 04-10-2010, 07:27 AM
 
Location: I think my user name clarifies that.
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Nobody cares about whites.
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Old 04-10-2010, 08:31 AM
 
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Snow is white because snow is actually millions of tiny ice mirrors that reflect the sunlight back out in total without breaking it down into colors like a prism.Hence, white light in,white light out.
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Old 04-10-2010, 08:58 AM
 
Location: Victoria TX
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Colors are constantly being destroyed, because "color" is nothing but the frequency of reflected light. Color is destroyed by simply switching off a light bulb.

Next, you can wonder why you get a rust color when you put iron and oxygen together, since rust is composed of nothing but those two colorless elements. Table salt is a gray metal and a green gas combined. Think about qualitative analysis in a chemical lab, where you put a transparent colorless liquid into a transparent colorless liquid and get a vivid, brilliantly colored precipitate.
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Old 04-10-2010, 10:12 AM
 
Location: Sinking in the Great Salt Lake
13,138 posts, read 22,813,426 times
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A color isn't a physical object, it's how a light wave is reflected by a physical object, received by your eyes and interpreted by your brain.
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Old 04-10-2010, 10:26 AM
 
Location: Victoria TX
42,554 posts, read 86,968,624 times
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Quote:
Originally Posted by Chango View Post
A color isn't a physical object, it's how a light wave is reflected by a physical object, received by your eyes and interpreted by your brain.
Yes it is, according to Heisenberg's Uncertainty Principle (made famous by Click and Clack). Light has wave-particle duality. So what happens to the light particles that carry white information, when the snow melts?
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Old 04-10-2010, 10:31 AM
 
1,883 posts, read 3,002,972 times
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Quote:
Originally Posted by jtur88 View Post
Yes it is, according to Heisenberg's Uncertainty Principle (made famous by Click and Clack). Light has wave-particle duality. So what happens to the light particles that carry white information, when the snow melts?
They are just not reflected back off the ground as well as they are the snow.Nothing "happens" to them.They just continue on their original course unreflected once snow is gone.
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Old 04-10-2010, 10:51 AM
 
51 posts, read 48,087 times
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Quote:
Originally Posted by Ghengis View Post
Seriously, I've often heard that colors (or something) can neither be created nor destroyed and yet, when the snow turns to water it is clear. What's up with that and why isn't anyone working on this?
You are kidding, right?
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Old 04-10-2010, 10:13 PM
 
Location: Missouri
4,272 posts, read 3,787,515 times
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Here's my stab:

At first, your eye is seeing the light reflected by the snow. When it melts, whatever the snow was covering is now reflecting the light into your eye. Still the same light but different reflection.
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Old 04-11-2010, 05:41 AM
 
Location: Bel Air, California
23,766 posts, read 29,054,423 times
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Quote:
Originally Posted by nxtrms View Post
You are kidding, right?
Well, if you don't know the answer just say so, there are plenty of other enlightened people on here that can provide insight to this.

By the way, I did try to dig into this further. Thinking the white may have sunk down into the yard, I got out a shovel and made a hole about four-feet deep thinking the white would have been down there. Other than what smelled like snow-mold in the first inch or two, no white stuff was to be found. I may have waited too long and it has sunk down deeper by now or it may have to do with that refracted light science stuff.
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