Scientists from the University of Strathclyde, collaborating with an international team from Imperial College,Rutherford Appleton Laboratory (RAL), ITU (Karisruhe) and the University of Jena, have turned radioactive isotope Iodine-129, a major waste product in the nuclear power industry, into the more friendly isotope Iodine-128 using laboratory lasers. They announced their discovery in The Journal of Physics.