Questions from a laymen to a sceince guy regarding air density: How can I create the most oxygen rich air? Compress and chill it? If so, how much more oxygen can I pack into a bottle if I compress it at = 70 degrees F to, say, 100psi at 40 degrees F?=20 Thanks John -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body