
Paul Spinrad
Paul Spinrad is a broad-spectrum enthusiast, writer, maker, and dad who lives in San Francisco. He hatches schemes at http://investian.com.
Latest from Paul Spinrad



Transcendental Problem-Solving
11/17/2009



Prison Clock
07/11/2005

Make Extra: EL-Wire Blinky
07/01/2005

Crack Balls
06/21/2005

Tinkering School for Kids
06/02/2005

CookieCantenna
05/19/2005
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