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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.
How is the attraction of a small mass to a bigger mass
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Can communication between two distant points be instantaneous?
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Time and matter, is there a smallest unit?
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Measuring Time: What Does it Mean?
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What is a phase transition in the context of an ising glass?
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Analyzing Data for Correlation for Academic Research
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What would happen if an object of 689 degrees was in a room
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When is a Numerical Aperture considered High?
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Is Gravity a Force or the Deformation of Space?
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Why is E=MC^2 such a neat and simple formula?
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Parallel string walking between two threaded cylinders?
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Cause of Hajj stampede casualties
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Plate mode shape subjected to damage
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Calculating nozzle shape for melting hot glue
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Is it possible for cavitation to occur in air?
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Greenhouse Effect and Pets in Automobiles
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Understanding derivation of delta-y transform
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Question about mg on oscilations course
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How to find emission peak of emission spectrum
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Greenhouse effect affected by Earths Gravity?
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F=MA: Box Weights & Impact on Contents
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Understanding Voltage Drops and KVL in Circuit Analysis
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Expansion of the solution if interacting KG equation
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Non-Euclidean Physics & Straight Lines: Can They Coexist?
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Shattering windows with explosives
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Are there any materials where ions are the charge carriers instead of electrons?
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Is it possible for an electron to emit more than one photon during fluorescence?
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Transverse waves moving (a string)
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Uncovering the Mystery of Mass: What is it?
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Derivative of Force in terms of distance?
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How Does Assumed Loop Direction Affect Voltage in KVL?
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Which Stress vs Strain Curve Has a Larger Slope?
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Can a Metal Prince Rupert's Drop Have Similar Properties to Glass?
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What is the differences between vibration and oscillation
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A question related to the method of images and uniqueness theorems
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Can We Predict Damping Coefficient of a String Using Mathematical Simulation?
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Is a Process with Infinite Time and Finite Gradient Reversible or Irreversible?
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Negative energy is repulsive, but PE is negative, so?
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Does this equation have the correct units of measurement?
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What *precisely* makes cause and effect asymmetric?
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Negative sign or not in calculations?
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What stress tensor components mean?
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What about a material causes it to be shiny
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Double slit experiment (geometric maths problem)
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How Can We Efficiently Recycle Low-Quality Waste Energy?
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Effect of noise cancelling audio equipment
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Real World Physics and my Wheels
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Probability of an unstable atom becoming stable and not
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Calculating the energy in a part of a rollercoaster
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Which is the best fan for my wood burning stove: Peltier or Stirling?
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Is My Railgun Defying the Laws of Physics?
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The Nernst Equation- I apologize in advance for my ignorance
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BotCan Kirchoff's Laws Be Applied to Non-Conservative Circuits?
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Why Does Everything Stick to Your Fingers?
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Consequences of Choosing Incorrect Variables in BuckinghamPi
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What is the solution to the cow tipping problem?
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Langley's Bolometer: 19th Century Tech & Its Uses
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Will an object accelerate only while a force is acting on it?
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How Much Energy Does a Fire Truck Generate in a Crash?
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Interesting solutions to classic physics problems
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Relation of Noether's theorem and group theory
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ONiel Cylinder Worlds: Rotation to Imitate Gravity?
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The definition of a field supposes simultaneity?
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How Do Atoms Generate Flames in Combustion?
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Is Contact Force Responsible for Molecular Bending in Objects?
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Moving object using buoyancy for project -- Help appreciated
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I Does Destroying an Atomic Clock Really Stop Time?
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How to find the density of states from IV plot.
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Why Does a Bulb Shine Brighter with Batteries in Series vs Parallel?
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Selecting Variables for Equation Building - Fastest Observed Velocity of Matter
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Irreversible vs Reversible process
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Predicting Initial Length of String Needed Before Stretch
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Why can't a rocket continue to travel without fuel?
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What instruments can measure electron density in the ionosphere?
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Distance measurements with two cameras
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Will the time of landing be the same if ....
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Help with Banked turns - Physics
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What is the Function of the Hall Sensor in an RFID Transceiver Circuit?
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Two questions related to "classical problem" of the image method
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Solving the Mystery: Plane of Reference Question
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Am I the only one who enjoys solving Harmonic Oscillators?
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Trying to Calculate The Minimum Force For Skateboard.
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Error in Wikipedia Cavendish article
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Questions about thrust in pressurized environment
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Why c is divided while converting cgs into SI system?
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Planet at the center of mass of a binary star system
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Calculating sand penetration of ice solid from height X
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What is the force on the wire given the information below....
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Gravity: Mass vs. Size Explained
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Integrating the gravity formula?
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Adiabiatic Process: q=0 & Work Done Path Function?
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Does lack of rigour cause problems in Physics?
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GPE: How Does an Object Gain Potential Energy?
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Can a solid sympathetically resonate at a harmonic?
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Why is one significant figure the norm in uncertainties?
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Insights Explosion-Generated Collapsing Vacuum Bubbles Reach 20K Kelvin - Comments
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Force needed to pull something from something liquid
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Understanding Gauss's Law: Electric Flux & Charge Enclosed by a Closed Surface"
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Time between farthest and closest distance from Jupiter
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How Did Bubble Physics Inspire Research on Higher-Dimensional Bubbles?
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