A theory of everything (TOE) is a hypothetical framework explaining all known physical phenomena in the universe. Researchers have searched for such a model ever since the development of quantum mechanics and Albert Einstein’s theory of relativity in the early 20th century.
What this equation means is thoroughly world-changing. As Einstein himself put it:
“mass and energy are both but different manifestations of the same thing — a somewhat unfamiliar conception for the average mind…”
Energy can be used to make mass out of nothing… except pure energy.
Anyone who learned the most basic algebra can rearrange Einstein’s equation to understand that energy/constant of speed of light2 = mass
But there is a third component in Einstein’s theory of relativity that can’t be ignored: the work involved in creating mass.