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.
Mae Jemison is born Mae was born in Decatur, AL. 1959: The family moves away Mae's family moved to Chicago, IL, so the children could have a better education. Mae had a brother and a sister. 1961: What does Mae want to be when she grows up? In kindergarten, Mae's teacher asked her what she wanted to be when she grew up.