SF illustrations and an optical illusion

Iconic 1970s-80s SF art:
http://pinktentacle.com/2009/11/sci-fi-illustrations-by-shusei-nagaoka/

Nice optical illusion:
http://ciaran-brennan.com/blog/?p=303

Share and enjoy,
                *** Xanni ***
--
mailto:xanni@xanadu.net                   Andrew Pam
http://www.xanadu.com.au/                 Chief Scientist, Xanadu
http://www.glasswings.com.au/             Partner, Glass Wings
http://www.sericyb.com.au/                Manager, Serious Cybernetics