Albert Einstein's general theory of relativity is a landmark in our understanding of the universe. It gave rise to the notion of a spacetime continuum against which all physical phenomena play out.

The Einstein field equations provide the underlying principles to theories of gravitation, the big bang, black holes, and cosmology in general. Many variants of these equations have been developed by ...

Today, 100 years after General Relativity was developed, our computers are finally ready to use its full power to better model the universe. The rest of this article is behind a paywall. Please sign ...

This is a preview. Log in through your library . Publisher Information The Royal Irish Academy, the academy for the sciences and humanities for the whole of Ireland will vigorously promote excellence ...

For the same reason more than one person solves most other types of equations. Unlike simple equations such as, say, the quadratic equation you learn about in high school, most equations do not have ...

The cosmological constant has plagued physicists for more than a century. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. There is a fundamental ...

From Quanta Magazine (find original story here). In November 1915, in a lecture before the Prussian Academy of Sciences, Albert Einstein described an idea that upended humanity’s view of the universe.

The General Theory of Relativity is supported by an impressive body of astronomical observation. Relativity explains the orbital eccentricities of Mercury, the “stretching” of light from heavy stars, ...