What are Hackerspaces ?
http://hackerspaces.org/wiki/Hackerspaces
http://en.wikipedia.org/wiki/Hackerspaces :
A hackerspace or hackspace (also referred to as a hacklab, makerspace or creative space) is a location where people with common interests, usually in computers, technology, science or digital or electronic art can meet, socialise and/or collaborate. A hackerspace can be viewed as an open community labs incorporating elements of machine shops, workshops and/or studios where hackers can come together to share resources and knowledge to build and make things.
en français :
http://fr.wikipedia.org/wiki/Hacker
et le site du tetalab :
http://tetalab.org
http://tetalab.org/pressbook.html