Albert Einstein’s mass-energy equation E=mc2 is inadequate and valid only under certain conditions, with a proper study not carried out, an Indian researcher claimed recently. The famous equation, ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. At a fundamental level, there is an equivalence between the mass of an ...

Albert Einstein’s paper “Does the Inertia of a Body Depend Upon Its Energy Content?” was published in the journal “Annalen der Physik” on November 21, 1905. The paper revealed the relationship between ...

For hundreds of years, there was an immutable law of physics that was never challenged: that in any reaction occurring in the Universe, mass was conserved. That no matter what you put in, what reacted ...

Gravity pulls objects together; the closer they are, the stronger the pull. Energy and mass are equivalent and interchangeable (E=mc²). The universe's expansion speed is linked to a galaxy's distance.