Information
http://www.seacoastnrg.org/2007/08/13/verdant-to-rework-its-tidal-power-turbines-in-nyc
http://tidesandcurrents.noaa.gov/faq2.html
http://www.marinecorrosionforum.org/explain.htm
http://www.tidalelectric.com/history.htm
http://www.aie.org.au/national/factsheet/FS10_TIDAL%20ENERGY.pdf
Pictures
http://www.hie.co.uk/getimage.aspx.ID-23839.gif
http://upload.wikimedia.org/wikipedia/commons/8/8a/TidalStream_Tidal_Farm_Pic.JPG
http://www.h2bidblog.com/wp-content/themes/lgblue3c-10/images/figure1.jpg
http://renewableenergydev.com/red/wp-content/uploads/2008/03/rotech-tidal-turbine.jpg
http://upload.wikimedia.org/wikipedia/commons/6/63/Rance_tidal_power_plant.JPG