http://makezine.com/events/
http://machineproject.com/
http://wiki.032.la/nsl/Events
http://laist.com/arts_events/
http://artwalkla.wordpress.com/
http://www.theurbancraftcenter.com/
http://handson3rd.com/
your local http://www.ieee.org/ chapter...
http://www.lalugs.org/
http://barcamp.org/w/page/401044/BarCampLosAngeles