3D scanning with a plain webcam - Boing Boing

http://www.boingboing.net/2009/11/20/3d-scanning-with-a-p.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+boingboing%2FiBag+%28Boing+Boing%29

Hypothetical Astronomy | MetaFilter

http://www.metafilter.com/86844/Hypothetical-Astronomy