The Gulf Stream is one of the strongest ocean currents in the world. It is driven by surface wind patterns and differences in water density. Surface water in the north Atlantic is cooled by winds from the Arctic. It becomes more salty and more dense and sinks to the ocean floor.
Ad. In 1905, Sarah married Charles Joseph Walker and changed her name to Madam C.J. Walker. Charles was her third husband. Madam Walker then went on to start a business, promoting a scalp treatment called Madam Walkerâs Wonderful Hair Grower. Though many people believe Madam Walker invented the straightening comb, they are incorrect. She did, however, go on to grow her business to include hair and scalp treatments, salons, and training schools. The Madam C. J. Walker Manufacturing Company factory was built in Indianapolis in 1910.
As a noted Opthamologist and famous black inventor, Dr. Patricia Bath has dedicated her life to the treatment and prevention of visual impairments. Her personal belief that everyone has the Right to Sight led to her invention in 1985 of a specialized tool and procedure for the removal of cataracts.