The link http://www.technologyreview.com/articles/freedman1102.asp has a fascinating discussion of generating holograms using computers. The examples are chemical! -- Henry Rzepa. +44 (0870) 132 3747 (eFax) +44 0778 6268 220 (Mobile) http://www.ch.ic.ac.uk/rzepa/ Dept. Chemistry, Imperial College, London, SW7 2AY, UK. chemweb: A list for Chemical Applications of the Internet. To post to list: mailto:chemweb@ic.ac.uk Archived as: http://www.lists.ic.ac.uk/hypermail/chemweb/ To (un)subscribe, mailto:majordomo@ic.ac.uk the following message; (un)subscribe chemweb List coordinator, Henry Rzepa (mailto:rzepa@ic.ac.uk)