http://sketchup.google.com

CAD program (free) – has an extrude feature for easy 3D modeling. Download is 19.4 MB; expands to 40.5 Mb with 387 files in 82 folders.

http://DL.TV/

Digital Life TV – Robert Heron and Patrick Norton of the old Screen Savers TV show – no longer on the air. Fairly long video clips – buffered downloads for early viewing.

www.photonhead.com

Digital Photography- camera simulations instruct beginners; buying advice.

www.britneyspears.ac/lasers.htm

Britney's Guide to Semiconductor Physics (3 grad students in U.K. )

www.webmath.com

Math tips in categories: algebra, geometry, calculus, etc. Amortization table of a loan with your parameters.

www.intuitor.com/moviephysics

Insultingly stupid movie physics.

www.patentlysilly.com

Archives of real patents for silly inventions.

www.extremetech.com

PC magazine for alpha geeks – not for novices.

www.slashdot.org

News for nerds

www.flickr.com

# 1 digital photo sharing site

www.shutterfly.com

Another photo sharing site

www.firstgov.gov

U. S. Government's Official Web Portal – example: (at end of November, 2006) SS benefits up 3.3 % on COLA (Cost Of Living Adjustment). Medicare premium up 5.6 % to $93.50 from $88.50.

www.howstuffworks.com

‘How to …' just about everything. Plus Consumer Guide to Products.

www.healthline.com

Vertical search engine (metasearch) and dictionary of med terms

www.merck.com/pubs/mmanual

The classic desktop Merck Manual of Diagnostics and Therapy and more

www.webmd.com

Long-lived site has an independent Medical Review Board. New feature: TV shows' diagnostics – reasonable or?