sketching

Resources:

About.com: Drawing and Sketching
Offers tutorials and exercises for skill development. Includes articles, categorized links, a gallery where users can submit their drawings, and a forum.
http://drawsketch.about.com/

Museum of Science
Features a revolving schedule of Imax films, temporary exhibitions and planetarium shows. Includes online exhibits.
http://www.mos.org/

Sketching Holidays in the South of France and Spain
The International Art Club organizes fully escorted sketching holidays in the South of France, Spain and Provence for artists of all levels. Non-artists are also welcome.
http://www.sketching.com

Bevere Vivis Gallery
Exhibits fine art prints, limited editions and original paintings and offers classes.
http://www.beverevivis.com/

Events in History of physics
Time-lines of thermodynamics, emg, symmetry .. With links to other time-lines and resources.
http://history.hyperjeff.net/