http://dir.salon.com/topics/darpa/?source=rss&aim=darpa en-us Copyright 2007 Salon.com. Tue, 21 Aug 2007 04:08:00 PDT By Farhad Manjoo Tue, 21 Aug 2007 04:08:00 PDT http://www.salon.com/tech/machinist/blog/2007/08/21/robotic_arm/index.html?source=rss http://www.salon.com/tech/machinist/blog/2007/08/21/robotic_arm/index.html?source=rss Engineers at Vanderbilt University have built a prosthetic arm powered by a kind of rocket motor. It's three times as strong as most other prostheses on the market. By Tom Engelhardt Tue, 21 Aug 2007 04:08:00 PDT http://www.salon.com/opinion/feature/2006/03/10/sharks/index.html?source=rss http://www.salon.com/opinion/feature/2006/03/10/sharks/index.html?source=rss The Pentagon plans to put neural implants in sharks to have them serve as underwater spies -- another example of a defense budget gone mad. By Andrew Leonard Tue, 21 Aug 2007 04:08:00 PDT http://www.salon.com/tech/fsp/2000/05/16/chapter_2_part_one/index.html?source=rss http://www.salon.com/tech/fsp/2000/05/16/chapter_2_part_one/index.html?source=rss How Berkeley hackers built the Net's most fabled free operating system on the ashes of the '60s -- and then lost the lead to Linux.