Thursday, June 29, 2006

Still More of My (Lab) Space

This is prep for the laser experiment I will be running on Friday. The Carbopol 940 and water mixture can't have bubbles floating around or the system will be less likely to behave like the computer model we are attempting to confirm.

Much like pouring a beer, we must stream the fluid down the side.

This is a rhodamine injection that will be used in the experiment. Rhodamine powder, which emits light when exposed to a laser, was blended into a sample of the Carbopol and water mixture where it will act as a tracer allowing us to study some fluid dynamics. Those bubbles are immobile because the fluid is psuedo-plastic or shear thinning, like the bubbles in a bottle of hair gel.

Rhodamine is a suspected carcinogen, so it is important to keep this injection away from Cameron Diaz, who is liable to use it in her hair like she did with Ben Stiller's spunk that one time.


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