Not much of substance in the article, The 'jelly' is made up of a rubber style polymer mixed with liquid=20 electrolyte and extruded into a thin film gel. They claim it shouldn't suffer from thermal runaway, is lighter than=20 conventional lithium batteries and perform similar to liquid filled=20 batteries, but are upto 20% cheaper. You can listen to Professor Ward enthuse about his research on Radio 4.=20 (don't use the link at the bottom of the first page it is malformed)=20 -- cdb, 3/07/2009 =20 -- colin@btech-online.co.uk --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .