Tag: String Theory

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Brian Greene: Making sense of string theory

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In clear, nontechnical language, string theorist Brian Greene explains how our understanding of the universe has evolved from Einstein's notions of gravity and space-time to superstring theory, where minuscule strands...

Michio Kaku: The Multiverse Has 11 Dimensions

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The physicist explains why other universes in the mulitverse could have many more dimensions—and could comprise Einstein's "Mind of God."

String Theory Multiverse – Sergei Dubovsky (SETI Talks)

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One of the most intriguing and controversial recent ideas in cosmology and string theory is that the Universe is highly inhomogeneous on the length scales much longer than its currently observable part, with many of t...

Do we need String Theory for Quantum Gravity? – Lance Dixon (SETI Talks)

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The strong, weak, and electromagnetic interactions all have consistent, relativistic and quantum mechanical descriptions in terms of pointlike particles, but Einstein's theory of gravitation has long resisted a simila...

Michio Kaku: The Universe in a Nutshell

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What if we could find one single equation that explains every force in the universe? Dr. Michio Kaku explores how physicists may shrink the science of the Big Bang into an equation as small as Einstein's "e=mc^2." Tha...