Physics Forums - The Fusion of Science and Community

    1. Science and Math Textbooks

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    2. Academic Guidance

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      Latest: Undergraduate Program or Graduate Program? SilentThunder, May 25, 2015 at 12:38 PM
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      Latest: PF Insights: Topic Request Amrator, May 25, 2015 at 10:27 AM
    1. General Physics

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    2. Classical Physics

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    3. Quantum Physics

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      Latest: Why Renormalisation Needs a Cutoff - Comments bhobba, May 25, 2015 at 12:35 PM
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    6. High Energy, Nuclear, Particle Physics

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      Latest: LHC Part 3: Protons as Large as a Barn - Comments mfb, May 25, 2015 at 12:30 PM
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    1. Astronomy and Astrophysics

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    2. Cosmology

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    3. Stargazing and Telescopes

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      Latest: I just saw a fireball and nobody cares :( eurus, May 24, 2015 at 5:51 PM
    1. General Math

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      Latest: Math GRE subject test question HallsofIvy, May 25, 2015 at 9:07 AM
    2. Calculus

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      Latest: integral of absolute value function PsychonautQQ, May 25, 2015 at 11:44 AM
    3. Differential Equations

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    4. Topology and Analysis

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      Latest: Combinatorial algorithm Mark44, May 24, 2015 at 10:50 AM
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    1. General Engineering

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    2. Engineering Systems and Design

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      Latest: DC-AC converters, Solar inverters Hesch, May 25, 2015 at 10:30 AM
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    4. Electrical Engineering

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      Latest: Vacuum tubes and electronic oscillators Svein, May 25, 2015 at 11:44 AM
    5. Materials and Chemical Engineering

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      Latest: Biogas facility from cow dung Greg Bernhardt, May 25, 2015 at 9:55 AM
    6. Nuclear Engineering

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      Latest: Nuclear energy in USA: why only 19% jim hardy, May 25, 2015 at 11:20 AM
    1. Chemistry

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      Latest: Discharging and electrolysis Borek, May 25, 2015 at 12:34 PM
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      Latest: What is meant by 'random' in DNA mutation? write4u, May 25, 2015 at 12:30 AM
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    5. Earth

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      Latest: Magnetic field of the Earth mfb, May 24, 2015 at 5:59 PM
    6. Computing and Technology

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      Latest: Things to do to Lower odds of getting Hacked. WWGD, May 25, 2015 at 11:28 AM
    1. Science Fiction and Fantasy

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      Latest: Anyone else see the new Mad Max? Jimster41, May 25, 2015 at 7:12 AM
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      Latest: New member, here for career advice ishwar chavhan, May 25, 2015 at 10:56 AM