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  1. Science Education

    1. Homework and Coursework Questions

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    2. Science and Math Textbooks

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    3. Open Physics Practice Problems

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  2. Physics

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      Latest: Why don't bowed musical instruments deaden their sound?

    2. Classical Physics

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      Latest: Why can a capacitor get discharged through a (long) cable?

    3. Quantum Physics

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      Latest: Quantum field theory

    4. Special and General Relativity

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      Latest: Can Hyperbolic Space be affecting our view of the universe?

    5. Atomic, Solid State, Comp. Physics

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      Latest: Energy spectrum of a chain of quantum oscillators

    6. High Energy, Nuclear, Particle Physics

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      Latest: Mono-jet searches for simplified models

    7. Beyond the Standard Model

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      Latest: Loop-and-allied QG bibliography

  3. Astronomy and Cosmology

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      Latest: Finding an exoplanet via its magnetosphere's effect on starlight?

    2. Cosmology

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      Latest: How do we explain universal complexities?

  4. Mathematics

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      Latest: Micromass' big challenge ranking

    2. Calculus

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    3. Differential Equations

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    4. Topology and Analysis

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      Latest: Need help with peak deconvolution

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      Latest: Components of functions in vector spaces

    6. Differential Geometry

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      Latest: Question of Cartan's structure equation (in Principal bundle)

    7. Set Theory, Logic, Probability, Statistics

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      Latest: Covariance matrix for transformed variables

    8. Math Software and LaTeX

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      Latest: Is there software to simplify physics formulae?

  5. Engineering

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    4. Materials and Chemical Engineering

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    5. Nuclear Engineering

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      Latest: Tokamak News and Queries

  6. Other Sciences

    1. Chemistry

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    2. Programming and Computer Science

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    3. Biology and Medical

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    4. Computing and Technology

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    5. Earth

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  7. PF Lounge

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    2. Science Fiction and Fantasy

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