Twist in Time - Laminar Flow
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Uploaded by SteveSpanglerScience on Jan 27, 2009
Based on our past experience, we know that color mixing is not a reversible process. Mix red and blue and you make purple. Separating the colors back into their original form is not only tricky but incomprehensible for many of us. Watch the video... you'll see why we call it a "Twist in Time."
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Uploader Comments (Stevespanglerscience)
Top Comments
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So you see red and blue and immediately think of the US flag!? There's a difference between patriotism and just being plain brainwashed.
1 year ago 140
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Journalists are so stupid
2 years ago 136
All Comments (80)
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Whats The Materials Need For This
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i saw this on the science channel trivia question thing with carrie from mythbusters
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How many times can it work???
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@OJulioIsidro european
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Lol "Reynold's number is under 1". Reynolds number need to be under ~2300 to have laminar flow.
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What kind of black magic are they using here?
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I was guess look like a magic trick of science like this??? That's amazing.
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@jonaslover9971 Yeah, but in subtractive system. This is additive.
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I saw this demonstration performed with glycerin. It was much clearer and the dots were stacked one on top of the other for a more dramatic effect.
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@FinnishFuturist -- wow, one mention of the US flag and you're all flustered.
Him, Brainwashed? Maybe.
You, Moronic? Absolutely.
How did I know that from one comment? You somehow did.
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I first saw this demonstration in 1957 performed by Dr. Stan Mason of McGill University, only with the far more dramatic effect of having words spelled out with droplets of the dyed mineral oil suspended in the corn syrup - they smear, then reconstitute. The apparatus is called a Couette viscometer. Mason studied interactions between particles in shearing fluid - they behave rigid rules. The effect seen here depends on having a high-viscosity Newtonian fluid (corn syrup) and a low shear rate.
jacquesdebauche3 1 year ago 19
@jacquesdebauche3 that's an interesting idea having words spelled out! Do you have any information or know where I can learn more about his demonstration?
Stevespanglerscience 1 year ago 11