Tag: Gravity

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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...

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...