Artificial Radioactivity Quotes (2 quotes)
The discovery [of the neutron] is of the greatest interest and importance—possibly the greatest since the artificial disintegration of the atom.
In 'Discovers Neutron, Embryonic Matter', New York Times (28 Feb 1932), 1. James Chadwick’s announcement of the discovery of the neutron in a Letter to the Editor in Nature was published the day before.
We bombarded aluminum with alpha rays … then after a certain period of irradiation, we removed the source of alpha rays. We now observed that the sheet of aluminum continued to emit positive electrons over a period of several minutes.
Describing the crucial experiment made in 1934 that discovered artificial radioactivity. As quoted in John Daintith and Derek Gjertsen, A Dictionary of Scientists (1999), 287.
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) -- 
