He explains tests that range blownnjections to full radiation exposure. This class is a little more than an hour. We are going to be talking today about the radiation experiments. And by the radiation experiments, i mean experiments done in around the Second World War and the cold war, a fairly heterogeneous set of experiments. By the fact that they are studying the interaction of human beings and. Adioactivity a very curious phenomenon of radioactivity that came, i guess, to its biggest fruition with the explosion over hiroshima and subsequently not a saki in august 1945. We need to talk a little bit about the context in which they were done. First, we will talk about the war itself. The Second World War. We will talk about how it was a sciencebased war. We will talk about the development of big science. Big science. Lots of people. Lots of investigators. Lots of money. Complicated systems. And were going to talk about the cold war and ideas about National Defense and National Securit