And a bunch of others that aren't quite similar except that they're short, provocative scifi. Here's my list of favorites:
* Ted Chiang - Understand - http://www.infinityplus.co.uk/stories/under.htm
* Ted Chiang - Exhalation - http://www.nightshadebooks.com/Downloads/Exhalation%20-%20Te...
* Ted Chiang - Hell Is the Absence of God - http://www.ibooksonline.com/88/Text/hell.html
* Sam Hughes - Ed stories - http://qntm.org/ed
* Isaac Asimov - The Last Answer - http://www.thrivenotes.com/the-last-answer/
* Aaron Diaz - Hob series - http://dresdencodak.com/2007/02/08/pom/
* Greg Egan - Closer - http://eidolon.net/?story=Closer
* Marc Stiegler - The Gentle Seduction - http://www.skyhunter.com/marcs/GentleSeduction.html