Survival Research Laboratories (SRL) is an industrial machine performance art group based in San Francisco, California
SRL was founded by Mark Pauline in November, 1978 and through late 2006, SRL has conducted 48 shows throughout the world, mostly in the Western United States. SRL shows are essentially performance art installations acted out by machines rather than people. The interactions between the machines are usually noisy, violent, and destructive. A frequent tag-line on SRL literature is "Producing the most dangerous shows on Earth". A side effect of the group's activities is frequent interactions with governmental and legal authorities.
Early performances featured animal skins and cadavers animated by mechanical endoskeletons while more recent performances feature some large and technically advanced robots that reflect a paranoid militaristic imagination. In the SRL workshop, a high value is placed on found or re-purposed materials and machines. An example is the The Big Arm which is a telemetrically controlled robot made from an abandoned back-hoe which drags itself around by its "arm".
above copied from: http://en.wikipedia.org/wiki/Survival_Research_Labs
Make Podcast: Survival Research Labs Walkthrough
for More on SRL see their web site at: http://www.srl.org/