Circuit stickers, referred by Betty Barrett:
Ink-jet based circuits, referred by Dean Rose:
http://www.nanotech-now.com/news.cgi?story_id=48475
https://www.youtube.com/watch?v=7SRkALUGXDw&list=SPxxNwIiCCunS7X6mBzXYa4Xiq2w1t-cng
http://www.youtube.com/watch?v=ZRr3lgckIAM
https://docs.google.com/document/d/1CixtFEdXksiy4yRVKLsYp08JC6U2mvdFluUq...
Learn to engrave on glass by using a cheap picture frame:
http://www.flickr.com/photos/82047188@N05/sets/72157631339448696/