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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 Causes a Particle on a String to Return to the Origin in Wave Motion?
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Internal resistence: chicken and egg misconcpetion
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Drift tube ion mobility spectrometer
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What is the significance of r in the intensity formula for a Gaussian beam?
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How does the strong nuclear force contribute to the mass of the nucleus?
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Gauss' Law -- When can it not be applied?
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Why are standing waves on a guitar string sinusoidal?
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Adiabatic gas cooling/heating: Explaining Conceptually
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How does the size of an object affect RF propagation?
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Update: Negation of the Grandfather Paradox
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Is Our Weight Measured in lbm or lbf?
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LED/IR Pair for Leaky Faucet Experiment
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Calculating Voltage Amplitude with Faraday's Law
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Where do I find Nonlinear Susceptibility Tensor Values?
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What would happen if I was standing in the LHC
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How to test f=ma using trolley and ticker timer?
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Does pair production involve helium nuclei in creating matter?
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Real gas equation in terms of Cv?
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Problem interpreting course notes - 3D wave equation
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Why Do Heavier Particles Float in a Colloidal System?
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Why do we see spectral LINES, not circles/triangles etc?
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Is the simple explanation of modern physics ever the case?
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Converting Calories to Joules: Uncovering the Correct Conversion Formula
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Simplification assumptions in physics problems
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How do bombs create shock waves and blast waves?
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Total moment of shear stress about the center line of a cylinder
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Can I Calculate the Fourier Transform of an Image by Hand?
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Can a Frictionless Dynamo in Space Produce Infinite Energy?
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Experiment on piston cylinder, issues with Ideal gas law
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Why does it look like this plane is floating in the distance?
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Why does fluid flow faster in a narrow tube?
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Finding distance traveled with only time
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Mass Distribution & Center of Mass: Why Does 1/r^3 Not Work?
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Question regarding Sun's Rays
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Finding a Precise Scale for Measuring Human Body Weight Fluctuations
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Could a maser be used to send information
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Can't explain an observation with material properties
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Can I get some help with my investigation?
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Are Lecher Wires Still Used in Electronics Courses?
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Free Physics Lectures: QM Lecture Notes & Linear Algebra
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Can Newton's Second Law be Derived from the Work Energy Theorem?
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How can a horizontal component be of sin? Error in book or my brain?
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Physical infinities, what are the limitations?
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Errors in Measurement [of time]
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Forces while squeezing toothpase tube
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Crude Oil Properties: Density, Viscosity, Heat Capacity, Wall Temp
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Combine Equations to Find Relationship Between D, F, and L
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How can I see Infra-Red and Ultra Violet waves?
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Can a perfect circle exist in the real world?
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Resonance - from Feynman lectures
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What Simulation Software Covers the Broadest Range of Physics Topics?
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Coana-Effect over a convex surface-causes(liquid and gas flow)
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Could Gravity Be More About Electromagnetic Forces Than We Think?
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What happens between our perception intervals?
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Why Is Gravity Considered a Fundamental Force in Physics?
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Calculating Wasted Energy: The Efficiency of Force Applied at an Angle
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Fluence Explained: What is it & How Does it Work?
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Forces involved in a 'tug of war'
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Propellers in a Tunnel: Benefits & Noise Suppression
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Why do dolphins create air rings and how do they defy buoyancy?
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Can some one tell me what it is ?
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What does the "r" in the formula F = - GMm/r^2 mean?
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Distribution of radial velocities in a gas
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Gauss' Law -- is there a general proof for all geometries?
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What is the Relationship between E, D and P in a Material?
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Earth-Moon System: Confused with Momentum?
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Can you use multiple wires to wind a solenoid?
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Can Physical Laws Be Truly Independent?
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Is it possible to get sucked down in a quagmire?
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Tourmaline: traditional uses in lab?
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Air Compression Shoes: A New Idea
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Vectors and determining plate thickness
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What causes an object to orbit around another?
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Van der Waals Forces Between Particle and Surface
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What is the difference between a law and a theory?
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Emission Spectrum: Color Lines & Atomic Orbital Band
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Limits of the Path Length of B-field induced gyroradius
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Is Ultimate Reality Continuous or Discontinuous?
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Calculating the Impact: A Detailed Look at My Car Accident on Friday Night
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What is an intuitive definition of Hertz?
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How many types of Peltier plates are there?
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Relation between energy of traveling wave with displacement curve
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Can I do this? I am 5'2", 120 lbs.
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Can Noble Gases Be Manipulated to Produce Specific Emission Spectrum Lines?
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How Can NO2 Be Separated from Car Exhaust for Nitric Acid Production?
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What Causes High RPM Bearings to Suddenly Vibrate and Slow Down?
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There is little molecule bond between gas molecules, then why we have
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Phasor Leading and Lagging Angles
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Quality/timbre of identical guitars
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(Easy) Gravitational Force at an angle?
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Semiconductor Notation: P-Type, N-Type Band Gap Materials
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Using graphite as a catalyst to break down Ozone
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Significant Figures in long physics calculations?
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Interpreting microcanonical distribution
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What materials would produce an impedance mismatch?
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Why would we weigh less at earth's center?
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Structural Differences Between Red, Blue and Green Xenon Lamps
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Parachute design help - children's book
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About the hype over radioactive decay not being constant
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Holographic Principle Projection
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