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Participate in expert physics discussion. Discussion on the nature and properties of matter and energy. This area is for topics that don't fit the other categories. Mainstream physics only.
What are the causes and effects of contrails in the upper Mississippi valley?
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I Why Does No Current Flow Between C and D in This Circuit?
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I Annihilation and production of bosons
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B How do I convert from lux to candela?
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I Linear and nonlinear physical theories
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I Calcuating retinal irradiance from the sun
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I How to obtain the resonance frequencies of a given material?
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I Why incompressible flow does not satisfy energy equation?
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I A question about dehumidifiers and condensation
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I Anti Proton - Non Proton reaction
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B Peer Review Process: A Scientific Check and Balance System?
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I Laminar and steady flow(Distinguish)
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I I need to find out the forces acting on an anchor point
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Feynman explanation of gravitational energy
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B How much time it takes to walk a certain distance?
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I Seeking intuition on movement of COM
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B The Invisible Beauty of Evening Primrose
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Kitchen Counter Moisture Mystery
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I Dimensionless and dimensioned fundamental constants
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I Understanding the Visibility of the ISS: Physics Explained in Simple Terms
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I Adiabatic Process: Solving a Thermodynamics Problem
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I Off-angle irradiance from Radiant Intensity
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B A Possible Challenge To Chronology Protection Conjecture?
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B Air Horn Physics: Calculating Size, Length & More for Musical Chords
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I What is the formula for calculating RPMs of a flywheel with external force?
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I Maglev experiments and questions that could be answered
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B Why Do Different Materials Glow When Heated?
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Alternatively, if you want a more concise title: What causes bubbles to merge?
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I Atmospheric Photolysis and its relation to Absorption Cross Section
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A Compensate for non-point source irradiance losses on surface
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B Noob with some questions on Modeling Earth
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I A question on dispersion of Prism
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I How does relative humidity drop below 100%
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I Please share your chaotic systems....
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B Calculating Speed and Distance for a Pneumatic Tricycle
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B The fundamental units in Physics
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A Single molecule fluorescence microscopy and limits
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Rainbow Curvature: Why is it Curved?
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I How would weather differ on a planet with a longer day?
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A How do i calculate shear stress on a Key and a bolt?
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I Introducing two identical containers with different gasses
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B Half wave dipole antenna physics
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B Maximum efficiency of a dehumidifier
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B The Mystery of Natural Violet: How Does Our Brain Perceive This Color?
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B How Can You Maximize the Efficiency of a Venturi Vacuum Pump?
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B Relationship between mathematics and existing objects
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B Propeller thrust in restricted air flow environment
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I Why is it that the fundamental harmonic is louder than rest?
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I Hall Effect & Magnetic Induction Explained
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B Calculating activity of a radionuclide
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B Can Fringes Exist with Sine Value Greater Than 1 in Young's Double Slit Formula?
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I Analyzing signals from a radioactive source
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I How are these symbols pronounced ?
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I Force to stop a person on a treadmill
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B Move a large amount of rocks from one place to another
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I Why does the Dry Air Gas Constant vary?
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B What is the cause of the mistake in calculating Fermi energy?
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B Why can we choose any arbitrary point to calculate the moment?
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B Physics of Illusions: Rotating a Spring
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B What is status of String Theory now?
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B Actual value of normal reaction
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B Can Satellites Orbit Within Earth's Atmosphere and How Close Can They Get?
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A Measuring Air Leakage: Test for Watertight Seal
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B Why Does an Object Thrown Vertically Decrease in Speed Until its Velocity is 0?
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B What Forces are Missing in a Balanced Block on a Floor?
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I Direct product of a symmetry group with itself
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B Create Free Energy: Is it Possible?
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A Problems from Lev Landau's "Theoretical Minimum"
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I Can a Half Dipole Antenna Function Inside a Resonant Cavity?
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I Fraunhofer Lines: Outdoor Photo Through Bandpass Filter
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B Fine Tuning Constants: Understanding Variables and Ratios | Physics NIST
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I Can Angular Momentum Create Forward Movement?
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B Related to - Thermionic emission
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I Similarities / diffs between diffusion & wave propagation
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B Resolve Moment: Force & Distance Explained
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I Not sure what I can make into equivalent resistors
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I Maximizing Solar Heat Output with Vacuum Tubes: A Temperature Comparison
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B How do I convert kW to kWh for my project involving a heat exchanger?
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B Physics Nobel Prize Info-Graphic
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I Do most physicists believe time flows?
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Is perspective distortion mathematically modeled?
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B How to remember what happens to I, V and R in a circuit?
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B Hearing/Seeing Waves: Communicating Without Sight
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I Can Camera Distance Affect Angle of Foreshortening in Video Measurements?
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B Why is the force pushing electrons downwards in this scenario?
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I Why Are Position Vectors Essential for Understanding Motion?
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I Why do bridges freeze before roads?
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A Is there a semipermeable membrane for oxygen enrichment?
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A Reducing Gaussian Noise in Antenna Impedance Measurements
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I Big Freeze and Law of convervation of energy
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I Why are fractions sometimes written as such: (A/B)/C?
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I Does amplitude require spatial or temporal parameters?
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I How to protect liquid filled pods from leaking on a plane
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I Energy consumption for n times x/n mass function?
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B Can Humans Ever Know Everything About the Universe?
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B Has anyone ever studied the physics of DNA
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A The mouse and the cherry blossom, not random change
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I Summary of the fundamental equations/laws
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B Transmuting 'anything' into 'anything'.
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Use of forces to escape the Earth
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