The gravitational constant is the key to unlocking the mass of everything in the universe, as well as the secrets of gravity. When you purchase through links on our site, we may earn an affiliate ...

THE variation with pressure of the dielectric constant of the alkali halides has been measured, for selected salts, by Mayburg 1 and Jarman 2, whose work is summarized in Table 1. Jarman deduced that ...

IN the course of electron diffraction investigations, it is often necessary to have a more accurate method of measuring voltage than the spark gap affords. Reference films have been used by several ...