CHICAGO -- This photo provided by Wired Nextfest shows Rob Innes skimming across the Chicago River in a bionic dolphin to call attention to Nextfest, a futuristic technology show in Chicago on June 25-26, 2005. The dolphin, a submersible developed by Innespace, can power two people to 40 m.p.h. on the surface and 20 m.p.h. below. (06/23/05 AP photo/Wired Nextfest)