Dear students, dear colleagues Please join us for today's colloquium by Hans Herrmann, ETH Zürich who will talk about the The Physics of Dunes Please visit our web page http://www.colloquium.phys.ethz.ch for details. Best regards Gianni Blatter Tilman Esslinger Thomas Gehrmann Andreas Schilling ETH Zurich Gianni Blatter Theoretical Physics HPZ G10 Schafmattstr. 32 CH-8093 Zurich SWITZERLAND blatterj@phys.ethz.ch +41 44 633 2568 office +41 44 844 42 50 private