----- Original Message ----- From: Paul Kreemer To: personal_submersibles@psubs.org Sent: Friday, January 20, 2006 9:38 AM Subject: Re: [PSUBS-MAILIST] clickable dive sequence Interactive ballast vent control with a real buoyancy effect:http://sub-log.com/how_do_submarines_work:-) On 1/20/06, Rick and Marcia <empiricus@telus.net> wrote: http://science.howstuffworks.com/submarine1.htm
http://science.howstuffworks.com/submarine1.htm