Jens KösterGlass workshop Chemistry IGlass blowing workshopAddressUniversity of HamburgDepartment of ChemistryInstitute of Physical ChemistrySedanstraße 19 VGII 4320146 HamburgContactTel: +49 40 42838-2886,+49 40 42838-3435Fax: +49 40 42838-3452Email: jens.koester"AT"chemie.uni-hamburg.de