ISBN-13: 9781508871057 / Angielski / Miękka / 2015 / 44 str.
The object of this brief treatise is to give a simple account of the development of our knowledge of radioactivity and its bearing on chemical and physical science. Mathematical processes will be omitted in this science journal, as it is sufficient to give the assured results from calculations which are likely to be beyond the training of the reader.