For four years, James Chadwick was a prisoner of war in Germany. When World War I ended, he returned to his native England to rejoin the mentor of his undergraduate days, Ernest Rutherford. Now head ...

There most probably is a neutron, smallest bit, last resolvable particle of Matter. Last Summer when Dr. W. Pauli of Zurich propounded the idea at Pasadena, the fact was less certain (TIME, June 29).

An international team of researchers recently measured the lifetime of a neutron outside of an atomic nucleus with extraordinary precision. By their measurements, the neutron survived for 14.629 ...

THE Bakerian lecture of the Royal Society was delivered on May 25 by Dr. J. Chadwick, who took as his subject “The Neutron”. Neutrons can be liberated by the bombardment of several light elements by a ...

CHADWICK and Goldhaber, in their letter to NATURE on January 12, record experiments which indicate that slow neutrons can eject heavy charged particles from light atoms, even when the neutron ...