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Millimeter gravity and the superstring wall

Article Abstract:

A consideration of the possibility that there may be extra-dimensional millimeter-sized loops in physics is presented. German mathematician Theodor Kalusa demonstrated a fifth dimension to Einstein's theory of general relativity in 1919, with observers later suggesting the dimension could be hidden.

Observations, General relativity (Physics)

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The atom laser

Article Abstract:

The demonstration of an atom laser in 1997 marked a breakthrough in experimental physics. The real atom laser differs from its counterpart in science fiction stories as it will likely be used as a tool for investigating Nature rather than as a weapon of mass destruction.

Innovations, Discovery and exploration, Quantum theory, Quantum mechanics, Lasers

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The "real world" and the standard model

Article Abstract:

The Standard Model parameters of nuclear particles go a long way toward defining the entire universe. A small change in any of these parameters would result in a universe radically different from the one we inhabit.

Analysis, Particles (Nuclear physics), Subatomic particles, Nuclear forces (Physics), Fundamental forces (Physics)

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