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Mar 31, 2023

Seeing is more than believing: Exploring ‘de Sitter space’ to explain gravity in the expanding early universe

Posted by in categories: cosmology, quantum physics

Having more tools helps; having the right tools is better. Utilizing multiple dimensions may simplify difficult problems—not only in science fiction but also in physics—and tie together conflicting theories.

For example, Einstein’s theory of —which resides in the fabric of space-time warped by planetary or other massive objects—explains how gravity works in most cases. However, the theory breaks down under such as those existing in black holes and cosmic primordial soups.

An approach known as superstring theory could use another dimension to help bridge Einstein’s theory with , solving many of these problems. But the necessary evidence to support this proposal has been lacking.

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