COSMOLOGISTS studying the rapid expansion of space through Hubble’s Constant believe they have just unlocked a fundamental secret of the universe itself. In a very Douglas Adams-esque twist, the ...

Planck's constant is a pretty important part of modern physics, but it's also pretty confusing. Maybe you were wondering what it was while reading about the new kilogram definition. Well never fear, ...

This is a preview. Log in through your library . Abstract In modern physics, the constant "c" plays a twofold role. On the one hand, "c" is the well known velocity of light in an empty Minkowskian ...

There is a common misconception among educators, and even some metrologists, that the Avogadro constant _N_~A~ is (or should be) a pure number, and not a constant of dimension *N*^–1^ (where *N* is ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. When we first began formulating physical laws, we did so empirically: ...

Press, Volume, Temperature (PVT) Relationships: Knowing R allows us to calculate any of the four variables in an ideal gas system if other three things are known to us. It is important in various ...