Dear students, dear colleagues Please join us for today's colloquium by Rudolf Grimm who will talk about the Two, three, many: when atoms interact in the ultracold Please visit our web page http://www.colloquium.phys.ethz.ch for details. Best regards Gianni Blatter Tilman Esslinger Thomas Gehrmann Gianni Blatter Theoretische Physik Schafmattstr. 32 ETH Hönggerberg CH-8093 Zürich office: +41 44 633 2568 home: +41 44 844 42 50