Finally a great page that explains why 2.4GHz is preferred in microwave ovens and other interesting details about miiicrowave cooking from the physics point of view. http://www.techfak.uni-kiel.de/matwis/amat/elmat_en/kap_3/advanced/t3_4_1.html There is much more (follow the links or back up to the top). Peter -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body