rheology

I didn't manage to get myself scraped off onto this month's Accretionary Wedge - oh, noes! While I am tragically subducted into the mantle, though, the rest of you can read about the many open questions currently puzzling the geoblogosphere. Perhaps I can make it into the volcanic arc or something with a late entry about what's making me go "hmm" this afternoon. It's related to volcanoes, too: the behavior of glass beads suspended in a zinc iodide solution, spun between two cylinders. The picture adorning this post is from an article by Völtz et al. in Physical Review E. They spun a…