Hej robert nelson. Tack f=F6r ditt meddelande 03:35 2002-11-29 enligt nedan: >SO WHAT DO THE ROCKET ENGINES PUSH AGAINST? >HOW DO THEY WORK? If i get it correctly the air ionizes at the wire. Then the charged air is= pulled to the large surfaces where the ions discharge, and air continues= flowing, thus thrust. /Morgan -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics