The cosmological constant is presumably an enigmatic form of matter or energy that acts in opposition to gravity and is considered by many physicists to be equivalent to dark energy. Nobody really ...

It's fun to think about the fundamental physical constants. These are special values used in our models of the physical universe. They include things like the speed of light, the gravitational ...

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 ...