Etching PCBs
Please follow this link to get a complete set of instructions, tips, and resources:
http://web.media.mit.edu/~ladyada/resources/inhouseetch.html
You don't have access to the etching machine unless you are accompanied by one of the following people:
Limor Fried
Ayah Bdeir
Contact them to get access to the darkroom.
Your ever well-wisher guru,
Vincent