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    3. Open Physics Practice Problems

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  2. Physics

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      Latest: Difference between Young's Modulus and spring constant?

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      Latest: CP properties of field strength tensor

    7. Beyond the Standard Model

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      Latest: 3 dimensional gauge theory

  3. Astronomy and Cosmology

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      Latest: Landing on comet by Rosetta itself on September 30th 2016

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      Latest: Average size of the biggest G-bound structures in the Universe

  4. Mathematics

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    4. Topology and Analysis

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      Latest: Need help with peak deconvolution

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    7. Set Theory, Logic, Probability, Statistics

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    8. Math Software and LaTeX

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  5. Engineering

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      Latest: Tokamak News and Queries

  6. Other Sciences

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  7. PF Lounge

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