Waves can also be separated into transverse and longitudinal waves. In a transverse wave, the motion of the particles of the medium is at right angles (i.e., transverse) to the direction the wave moves.
The experiment's name comes from the Tuskegee Institute, the black university founded by Booker T. Washington. Its affiliated hospital lent the PHS its medical facilities for the study, and other predominantly black institutions as well as local black doctors also participated.
The Legacy of Tuskegee. In 1990, a survey found that 10 percent of African Americans believed that the U.S. government created AIDS as a plot to exterminate blacks, and another 20 percent could not rule out the possibility that this might be true.