The Atom

A good discussion of the pros and cons of using the atomic bomb to end World War II -
AP Physics
Period 2
The Atom
In the spring of 1897 J.J. Thomson demonstrated that the beam of glowing matter in
a cathode-ray tube was not made of light waves, as 'the almost unanimous opinion of
German physicists' held. Rather, cathode rays were negatively charged particles boiling
off the negative cathode and attracted to the positive anode. These particles could be
deflected by an electric field and bent into curved paths by a magnetic field. They were
much lighter than hydrogen atoms and were…