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All 4 books by Edward Tufte now in
paperback editions, $100 for all 4
Visual Display of Quantitative Information
Envisioning Information
Visual Explanations
Beautiful Evidence
Paper/printing = original clothbound books.
Only available through ET's Graphics Press:
catalog + shopping cart
Edward Tufte e-books
Immediate download to any computer
connected to the internet:
La représentation de l'information
quantitative 200 pages $12
La Representación Visual de Información
Cuantitativa 200 páginas $12
Visual and Statistical Thinking $2
The Cognitive Style of Powerpoint $2
Seeing Around + Feynman Diagrams $2
Data Analysis for Politics and Policy $2
catalog + shopping cart
Edward Tufte one-day course,
Presenting Data and Information
San Francisco, February 9, 10
San Jose, February 13
Arlington, March 31
Washington, April 1, 2
Rainbows and Moonbows

Moonbows: http://www.atoptics.co.uk/fz158.htm

Courtesy of the wonderful http://spaceweather.com/

-- Edward Tufte


i live in port angeles washington and i saw a moonbow/lunar rainbow last night at approximatly 3:30 a.m. i thought i was imaging it but the more i watched the more i realized what it was. the rain had just ended, the moon was about 3/4 full,the temp was about 40 degrees, and there was a perfect arc like a rainbow with graduating shades of gray. it was one of the most amazing things i have ever seen. how often do these moonbows occur?

-- lora (email)


In addition to the moonbows and many other photos, that site has at least two nice-looking simulation tools: one for passing light through ice crystals and one for droplets. The simulation outputs are very tastefully done. Consider this reproduction of a 1790 sky, down to fine details; the effects of crystal alignment/misalignment; reproduction of a rare effect caused by a choice reflection through an unusual crystal. In addition to the simulation output, the last link has some scripting so that a mouseover changes the photo to an enhanced and labeled version. These gorgeous data displays are all over the site.

Les Cowley has really made a nice thing here.

-- Rob Mahurin (email)


I saw a moonbow on the north shore of Kauai around 1 am in 2004. The moon had risen behind us as we were looking out at the ocean, and it provided just enough light to reveal a large white bow arcing between us & the water. One of the coolest natural events I've ever seen. The color white contains all the colors of the rainbow, and it would have been just another rainbow (right!) in daylight, so lucky us.

-- flatland (email)