links for 2008-05-29 Posted on May 29, 2008 by del.icio.us Why Should Engineers and Scientists Be Worried About Color? (Bernice E. Rogowitz, Lloyd A. Treinish) (tags: via:arsyed visualization color perception graphic-design pedagogy communication graphing affordances) SAGE: Open Source Mathematics Software (tags: via:nequitans science computing mathematics open-source scicomp platform mma Python) A Rule-based Tool for Assisting Colormap Selection (tags: visualization color design graphic-design communication) FAQ about Defamation — Chilling Effects Clearinghouse (tags: chilling-effect blogging law lawyers annoyance ethics rhetoric free-speech scientists)