{"text":"It was at the beginning of 1934 while working on the emission of these positive electrons that we noticed a fundamental difference between that transmutation and all the others so far produced; all the reactions of nuclear chemistry induced were instantaneous phenomena, explosions.","author":"Irene Joliot-Curie","tags":["beginning","working "],"id":11542,"author_id":"Irene+Joliot-Curie"}