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21st Century Science & Technology (ISSN 0895-6820) is published 4 times a year by 21st Century Science Associates, 60 Sycolin Road, Suite 203, Leesburg, Va. 20175. Tel. (703) 777-6943. Address all correspondence to 21st Century, P.O. Box 16285, Washington, D.C. 20041. 21st Century is dedicated to the promotion of unending scientific progress, all directed to serve the proper common aims of mankind. Opinions expressed in articles are not necessarily those of 21st Century Science Associates or the scientific advisory board. We are not responsible for unsolicited manuscripts. Electronic subscriptions are $35 for 4 issues, $60 for 8 issues, and $80 for 12 issues. Back issues (1988-2005) are $10 each ($20 foreign). Electronic issues from 2006 on are $10 each. Payments must be in U.S. currency. www.21stcenturysciencetech.com © 2012 21st Century Science Associates |
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