Engineers are developing computer models to study how changes in water pressure and current speed around tidal turbines affect sediment buildup and fish health.
Engineering
Like a deep-sea bloodhound, Sentry 鈥� the newest in an elite group of unmanned submersibles able to operate on their own in demanding and rugged environments 鈥� has helped scientists pinpoint optimal locations for two observation sites of a pioneering seafloor laboratory being planned off Washington and Oregon.