{"by":"wooby","id":579173,"kids":[579191,579608,579287],"parent":578887,"text":"Autonomous, buoyancy-powered subs: <a href=\"http://spray.ucsd.edu/\" rel=\"nofollow\">http://spray.ucsd.edu/</a><p>A fleet of them - the future of drug trafficking?","time":1240685234,"type":"comment"}