Coding Construction Materials

Recovery software
http://www.cgsecurity.org/wiki/TestDisk

Gershenfeld Maker Faire
http://fora.tv/2011/05/21/Neil_Gershenfeld_The_Future_of_Fabrication

Techshop
http://techshop.ws/

Hod Lipson Cornell
http://creativemachines.cornell.edu/

Adrian Bowyer RepRap
http://reprap.org/wiki/Main_Page

Erik Winfree
http://www.latimes.com/news/science/la-sci-0603-molecular-computer-20110...
http://www.dna.caltech.edu/~winfree/