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The Dreaded -1.#IND

Posted on Jun 5, 2015 | Last Updated Jun 5, 2015

A solution for DOT products of two normals that result in -1.#IND when passed to acos().

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maxscript, geometry, trigonometry, -1.#IND

Lunar Eclipse

Posted on May 15, 2003 | Last Updated Oct 31, 2011

Photos of the lunar eclipse on May 15-16, 2003.

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lunar eclipse, maroon moon, may 15-16, 2003, shawn olson photos

April 2007 Print Newsletter

Posted on Apr 23, 2007 | Last Updated Nov 11, 2011

The April 2007 Newsletter includes two articles by Shawn Olson and one essay by John Dalmas. Also some cartoons.

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newsletter

How can I support Shawn Olson?

Posted on Nov 30, 2003 | Last Updated Nov 2, 2011

You can help support Shawn Olson's efforts by making a donation.

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fund artist, contributions, buy art

Another rough week

Posted on Apr 27, 2003 | Last Updated Oct 31, 2011

Another week of recovery for Donna Olson.

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donna olson ill, stroke, sickness

Newsletter

Posted on Jun 4, 2003 | Last Updated Jun 4, 2003

Subscribe to Shawn Olson's email newsletter.

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NASA Disaster

Posted on Feb 2, 2003 | Last Updated Oct 31, 2011

The spaceshuttle Columbia tragedy happened this week.

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newsletter, nasa tragedy, spaceshuttle columbia disaster, many site visitor

Desktops are not extinct

Posted on Mar 8, 2012 | Last Updated Mar 8, 2012

Editorial discussing the notion that the time of the desktop is over. I argue that the advent of smart phones, tablets and mobile devices do not preclude the value of the desktop.

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computer, productivity, mobile device, ipad

Ethan Olson

Posted on Jun 30, 2011 | Last Updated Jun 30, 2011

Ethan Olson is the son of Shawn Olson.

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How do I contact Shawn Olson?

Posted on Jan 16, 2003 | Last Updated Oct 30, 2011

You can contact Shawn Olson by using the MAIL link at the bottom of every page on the site.

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contact information, contact info, email
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