Memory cotton material: memory cotton also called slow rebound, is the last century by the American Space Agency (NASA) of the United States of America (HEALTHMAN), the United States of America (HEALTHMAN), is an open cell structure. The American HEALTHMAN company, the company used the material on the space shuttle. In order to Sui understand the astronauts have to bear the pressure, protect astronauts of the spine, especially the shuttle on return and leaves the ground, astronauts have to bear the pressure of the biggest and most dangerous. In order to protect the safety of astronauts, it was invented this material. He and GPS (global positioning satellite positioning system) and known as the two major inventions of space technology. The largest science in twenty-first Century will be life science, space science and technology has made a great contribution to the research of human life science. At the beginning of the ninety's, the Swedish Fagerdala company was developed as a civilian (medical) product, the first in the medical emergency, the monitoring system has been widely used to promote. And then in developed countries, especially in countries such as Japan, and so on.