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.
Tuskegee (/tÊsËkiËÉ¡iË/) is a city in Macon County, Alabama, United States. At the 2000 census the population was 11,846. Tuskegee has been an important site in African-American history and highly influential in United States history since the 19th century. Before the American Civil War, the area was largely used as a cotton plantation, dependent on African-American slave labor.