Radioactivity By facebooker_1245962646 Oct 15, 1890 Without radioactivity would not be significant advances in medicine and industry. Our daily life would be very different. Oct 15, 1895 X-rays would not exist, and medicine could not be used radiography as an aid in diagnosis. Oct 15, 1940 Many people could not be cured by chemotherapy. Oct 15, 1942 If we did not understand radioactivity, we could not use nuclear energy. Oct 15, 1972 Computed tomography would not have invented, then could not get sections of anatomical objects diagnostic purposes. Oct 15, 1980 It would not have been possible positron emission tomography. Oct 15, 1983 The industry could not use radioactive isotopes to measure the thickness of sheets of paper, plastic and other materials. Oct 15, 1983 Radioactive isotopes could not be used for sterilization of food. Oct 15, 1986 The radioactive isotopes could not be used to understand internal composition of various materials Oct 15, 2003 Science would not have the human genome sequence, which provides valuable information on DNA.
