Before Einstein, special relativity, and E = mc2, what was the prevailing theory on the Sun's seemingly eternal energy?

And, of course, Einstein isn't finished. Later in 1905 comes an extension of special relativity in which Einstein proves that energy and matter are linked in the most famous relationship in ...

Einstein’s special theory of relativity, published a hundred years ago, also revealed that energy and mass are two sides of the same coin, forever linked in his famed equation E = mc2.

Einstein’s special relativity, which he formulated in his “miracle year” of 1905, was a theory that revolutionised our ideas of space and time – and ultimately paved the way for some even ...

What mysterious energy is causing the acceleration of ... Shortly after completing his paper on special relativity, in 1905, Einstein realized his equations applied to more than space and time.

Einstein received the Nobel Prize for one of the other ideas, but the special theory of relativity has since ... In that system, energy and mass are really the same. And that is the fundamental ...

His theory of special relativity stemmed from his desire to ... According to this equation, mass and energy are interchangeable, meaning they are different forms of the same thing.

Dark energy is a mysterious force making the universe ... that Einstein originally introduced into the equations of general relativity to make the universe neither expand nor contract, but stay ...