Written by Paul Dirac, Piotr Kapitza and Antonino Zichichi in August 1982, this statement is now supported by 10,000 scientists the world over. ***** It is unprecedented in human history that mankind has accumulated such a military power to destroy, at once, all centres of civilisation in the world and to affect some vital properties of the planet. The danger of a nuclear holocaust is not the unavoidable consequence of the great development of pure science. In fact, Science is the study of the fundamental laws of nature. Technology is the study of how the power of mankind can be increased. Technology can be for peace or for war. The choice between peace and war is not a scientific choice. It is a cultural one: the culture of love produces peaceful technology. The culture of hatred produces instruments of war. Love and hatred have existed forever. In the Bronze and Iron Ages, notoriously pre-scientific, mankind invented and built tools for peace and instruments of war. In the so-called