Technology

http://science.nasa.gov/headlines/y2008/25apr_cvx2.htm?list832167

Shear-thinning fluids - and thixotropics.
Ketchup, Whipped cream, and others.
Nasa's done a study on them now in Zero-G.
In the name of science!
Follow the link and take a look at how the experiments where set up, and what it means to you in the real world!