You are browsing the archive for 17 October 2012 - Mountain Beltway.

17 October 2012

Convection in a dirty dish

Saw this in a greasy / soapy baking pan in my kitchen sink the other day: Do you see those lobe-shaped light areas, separated by dark septae? I think that’s the semi-gelled signature of gravitational instability, perhaps thermally driven. I’m speaking of convection: upwelling in the round light areas, and sinking of denser material in the dark seams in between. A closer look at the structure of the suspension, and …


1 Comment/Trackback >>