Physics Forums - The Fusion of Science and Community

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      Latest: Physics Formula Study Sheet AdilPhysicist, May 26, 2015 at 10:00 AM
    1. General Physics

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      Latest: I have a quick question about Photons rumborak, May 28, 2015 at 3:13 PM
    2. Classical Physics

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      Latest: Pre-compressed spring with diaphragm Harsh Shah, May 28, 2015 at 1:17 PM
    3. Quantum Physics

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      Latest: Understanding ultraviolet catastrophe Jano L., May 28, 2015 at 3:04 PM
    4. Special and General Relativity

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      Latest: Special Relativity problem DrGreg, May 28, 2015 at 3:14 PM
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      Latest: Number of phonon modes possible TeethWhitener, May 28, 2015 at 1:05 PM
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      Latest: Can neutrinos be reflected? snorkack, May 28, 2015 at 3:03 PM
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      Latest: Unruh effect and Entropy wabbit, May 28, 2015 at 3:13 PM
    1. Astronomy and Astrophysics

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    2. Cosmology

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      Latest: The Universe has no Objective Nature? JacFlasche, May 28, 2015 at 3:12 PM
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      Latest: Virgo Supercluster Drakkith, May 27, 2015 at 8:37 PM
    1. General Math

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    3. Differential Equations

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    4. Topology and Analysis

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      Latest: Uniform continuity statement Coffee_, May 28, 2015 at 11:54 AM
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      Latest: Linear Algebra; Transformation of cross product Fredrik, May 28, 2015 at 1:47 PM
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      Latest: Principal normal and curvature of a helix kkz23691, May 28, 2015 at 9:33 AM
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    8. Math Software and LaTeX

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      Latest: [Matlab] Simulation of Stochastic Process bigfooted, May 28, 2015 at 1:23 PM
    1. General Engineering

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      Latest: Stopping time for a cycloidial dial table. Baluncore, May 28, 2015 at 3:14 PM
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      Latest: Zero order hold -- Discrete control systems Razvan, May 28, 2015 at 2:29 PM
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      Latest: Avarage pressure measurement can12345, May 28, 2015 at 2:15 PM
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      Latest: Patch and dipole antenna Jeff Rosenbury, May 28, 2015 at 3:17 PM
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      Latest: Continuous Industrial Processes Over 24 hours berkeman, May 28, 2015 at 11:18 AM
    1. Chemistry

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      Latest: UV-VIS Spectroscopy question Ygggdrasil, May 28, 2015 at 2:12 PM
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      Latest: LAPACK dgeev: parameter had illegal value Mark44, May 28, 2015 at 2:47 PM
    5. Earth

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      Latest: Oklahoma earthquakes, seismography mp3car, May 28, 2015 at 3:22 PM
    6. Computing and Technology

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    1. General Discussion

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      Latest: Random Thoughts part 4 Borg, May 28, 2015 at 2:39 PM
    2. Science Fiction and Fantasy

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      Latest: Hard Science Fiction phion, May 28, 2015 at 11:55 AM
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    4. New Member Introductions

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      Latest: New Member Greg Bernhardt, May 28, 2015 at 2:18 PM