Hi everybody! Have a look at Scientific American August 1998 for an article by L. Adleman (of RSA fame) about how he solved a computationnally gigantic problem in less than a second with a few drops of stinking liquid :-) Unfortunately, the article is not available from www.sciam.com, so you'll have to buy the paper version of the magazine. *FASCINATING* Also, have a look at http://cwis.usc.edu/dept/News_Service/chronicle_html/1995.10.23.html/Superco... Ciao jfa Jean-Francois Avon, Pierrefonds (Montreal), Canada Unregistered Firearms in the hands of honest citizens: Liberty's Teeth Strong Cryptographic tools in the hands of honest citizens: Liberty's Voice He who beats his sword into a ploughshare will get coerced to plow for those who don't... PGP keys: http://bs.mit.edu:8001/pks-toplev.html PGP ID:C58ADD0D:529645E8205A8A5E F87CC86FAEFEF891 PGP ID:5B51964D:152ACCBCD4A481B0 254011193237822C