[질문] Smoke detectors, MRI and runing shoes- what is the same about all these inventions? It may sound strange, but they well all made possible by space research. NASA does research to create new technologies and produts for their space program. one expample is smoke detectors. They were first used in the space station in 1973 to detect any dangerous gases. Now smoke detectors are used in most homes and buildings to warn people of fire. 를 해석 해 주세요