Einstein the Realist
With the discovery that the universe’s expansion is accelerating, not slowing, as was previously thought, newspaper headlines are proclaiming that Albert Einstein was right, after all. But Einstein's most important legacy is his belief that a physical world, existing in reality, accounts for all of our experience.
Subscribe to PS Digital
Access every new PS commentary, our entire On Point suite of subscriber-exclusive content – including Longer Reads, Insider Interviews, Big Picture/Big Question, and Say More – and the full PS archive.
OXFORD – It was recently discovered that the universe’s expansion is accelerating, not slowing, as was previously thought. Light from distant exploding stars revealed that an unknown force (dubbed “dark energy”) more than outweighs gravity on cosmological scales.
Unexpected by researchers, such a force had nevertheless been predicted in 1915 by a modification that Albert Einstein proposed to his own theory of gravity, the general theory of relativity. But he later dropped the modification, known as the “cosmological term,” calling it the “biggest blunder” of his life.
So the headlines proclaim: “Einstein was right after all,” as though scientists should be compared as one would clairvoyants: Who is distinguished from the common herd by knowing the unknowable – such as the outcome of experiments that have yet to be conceived, let alone conducted? Who, with hindsight, has prophesied correctly?
To continue reading, register now.
Subscribe now for unlimited access to everything PS has to offer.
Subscribe
As a registered user, you can enjoy more PS content every month – for free.
Register
Already have an account? Log in