Gulf Stream thermal energy could also be harnessed to produce electricity using the temperature difference between cold deep water and warm surface water. Gulf Stream The Gulf Stream, together with its northern extension the North Atlantic Drift, is a warm and swift Atlantic ocean current that originates in the Gulf of Mexico and stretches to the tip of Florida, and follows the eastern coastlines of the United States and Newfoundland before crossing the Atlantic Ocean. The process of western intensification causes the Gulf Stream to be a northward accelerating current off the east coast of North America. At about , it splits
Action in the North Atlantic going through hell-and-high-water, as 'Action in the North Atlantic' shows." An American oil tanker, the SS "Northern Star", captained by Capt. Steve Jarvis (Raymond Massey), is sunk in the North Atlantic Ocean by U-37, a German U-boat. Along with the First Officer, his friend Joe Rossi (Humphrey Bogart), they make it to a lifeboat loaded with other crewmen. When the U-Boat crew starts filming their plight, they respond with defiant gestures, and their lifeboat is rammed by the sub. The survivors swim to a raft and are finally rescued after 11 days adrift. During their brief liberty, Steve spends time