The front brakes vs rear brakes comparison has everything to do with friction and heat. From a physics standpoint, the brakes on your car are designed to convert the kinetic energy of your moving vehicle into heat energy, via friction. The result of that energy conversion is what brings your car to a stop.
Mae C. Jemison is the first African-American female astronaut. In 1992, she flew into space aboard the Endeavour, becoming the first African-American woman in space.
Also in 1992 a public school in Detroit, Michiganâthe Mae C. Jemison Academyâwas named after her. Jemison is a member of the American Medical Association, the American Chemical Society, and the American Association for the Advancement of Science, and she served on the Board of Directors of the World Sickle Cell Foundation from 1990 to 1992.