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Grand Unified Theory

Einstein's Interrupted Dream


Photo: Lotte Jacobi Collection, University of New Hampshire

He thought this new branch of physics did not embrace the harmonious way in which God created the universe.

Instinct drove Einstein to spend his last decades struggling to mesh the subatomic and universal realms under one "Grand Unified Theory." But his gut feeling eventually gave in to doubt. "All my attempts, however, to adapt the theoretical foundation of physics to this new type of knowledge failed completely," he wrote. "It was as if the ground had been pulled out from under me...." Yet Einstein hoped that his work would point modern physics in a new direction. Physicists today still pursue the Grand Unified Theory.

Describing the Universe

Roughly half a century has passed since Einstein ceased his pursuit of one "theory of everything," but many physicists today continue the chase for a Grand Unified Theory in an attempt to understand the nature of matter, energy, space, and time.

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