Why is yellow faster than blue?

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Offline krool1969

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Why is yellow faster than blue?
« on: 02/02/2012 08:36:18 »
I know it's a weird question, but bare with me a second. To liven it up a bit I added a bit of green food color to clear liquid handsoap. This doesn't cause any problems so long as you don't put in too much. Anyway just to see how it would defuse I din't mix in the color, I just put the pump back in which left a streak of green in the clear soap. After a while (a few hours) I went back to see what had happened. I was suprised to see a halo of yellow around the green. Clearly the yellow part of the green had defused faster than the blue. Why did this happen? This might be a fun kitchen science!

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Offline CliffordK

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Re: Why is yellow faster than blue?
« Reply #1 on: 02/02/2012 10:24:14 »
You already asked this question yesterday.

http://www.thenakedscientists.com/forum/index.php?topic=42979.0

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Offline krool1969

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Re: Why is yellow faster than blue?
« Reply #2 on: 02/02/2012 11:55:01 »
You already asked this question yesterday.

http://www.thenakedscientists.com/forum/index.php?topic=42979.0 [nofollow]
Sorry couldn't find the post so I just reposted it.