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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.
Which theory or field can explain this?
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Do sound waves affect the distance between protons in an atom?
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Mathematical Modelling An Object for a System
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Is absolute count of emission spectrum meaningful?
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What is the coffee ring of toluene and hexane?
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Can a Leaking Argon Gas Line Draw in Air and Create a Mixture?
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Different Ways of Trapping A Single Atom?
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Battery Capacity: 3800 mAh vs 5800 mAh
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Understanding the Fixed Energy of Electrons in Bohr's Orbit
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Is there any relationship between quarks and quanta?
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A Hypothetical Situation Involving Gases
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Are There More Than 3 Quarks in a Proton? The Truth Revealed by Scientists
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How many dimentions are known, what is there or what exists?
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Error in least squares fit: how to include error of points?
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Why Are Derived Units Formed by Multiplying and Dividing Basic Units?
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Finding Free Chemistry & Physics Articles Online
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How can the electric field formula for a parallel plate capacitor be derived?
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Bunsen burner flame gets colder with air hole fully open
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Where Can I Find Free Software for Caustics/Cusps?
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How to wet cotton wool without shrinking it?
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Angular Spectrum Method and Fourier Transform
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How do you express 3D charge distributions using the Dirac Delta function?
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Heisenberg uncertainty principle calculations
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Would the Earth Have A Delay Reaction if the Sun disappeared
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Gravitational attraction between two atoms
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Center of mass and center of gravity don´t match, why?
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Is an adiabatic process possible for an open system?
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Direction of Forces on an Euler Spiral Path | Intuitive Explanation
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Understanding the Vacuum Debye Screening Length: Importance and Calculation
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Would you see the stars in the day if blue were filtered?
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Stability of Nucleus: Neutron's Role
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Gravitation, 2 objects of same properties
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Gravitational & Electrostatic Force: Why They Attract/Repel
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Help? trying to solve an energy problem?
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Could Reducing Gravity Impact the 'Burping' of a Bottle?
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Are There Ever Multiple Theories That Fully Explain the Same Phenomenon?
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Insights Gravity animation: lessons learned - comments
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Understanding Diffusion: The Relationship Between RMS and Fick's 2nd Law
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Understanding Vector Multiplication
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Understanding How Camera Detectors Work - CCD vs. CMOS Sensors
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Fresnel Relations and the Sensitivity of a Camera
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Why Do We See Color & Texture?
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Audibility of a compression wave
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Planck Measurements: Meaning or Trite Observation?
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Fleming's Left and Right Hand Rules
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Understanding Van de Graaff Questions: Explaining the Lack of Arc Formation
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Do things happen the way they can?
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How can standing waves be created on a string fixed at both?
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Earth Shadow Tapering: Why Does It Happen?
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Which causes an object to become invisible, regular or diffused?
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How to calculate the force needed to get out of bed?
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Can Gravity Cause an Object to Pull Itself Inward?
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Anchoring a Swim Platform: Calculating Wind Force on Raft at 6000 ft Elevation
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A question regarding action and reaction
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The Bicycle Inventor's Mystery: How Did They Know?
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Zero Potential Level: Excited State or Not?
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Can an Aerodynamic Tent Shape Prevent Wind Tipping?
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Modeling Functions.... real life business, money, probability, etc.
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Did the experiment, now more confused
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Why dU may not equals dW in free expansion?
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Understanding the Principle of Least Action in Multidimensional Systems
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Why does the tropical sun feel hotter in the evening?
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Spectroscopy hookes law, derivation?
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Effect of air bubbles in a paste when subjected to spinning
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How do we justify the generality of the wave equation?
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What is the Physics behind Thor's Hammer?
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Insights Is Energy Only What We Think It Is?
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Analytical continuation free energy
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Mystery of the Sink Vortex: Investigating Why Water Spins
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How Do Sound Waves Influence Water Flow?
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Ring Suspension Between Binary Masses
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Nobody here can explain the Leedskalnin discovery
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WiFi Signal Strength and Computer Orientation
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IDL (interactive data language) material wanted
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Why does atrial depol cause upward deflection on EKG?
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About vectors and vector products
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Non-Commercial Rockets Carrying 100kg Payload into Space
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Looking for good websites about physics
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Discover the Relationship Between E=mc2 and Time with m=1kg and d=1m
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Did I Neglect the Skier in the Resistive Force Calculation?
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Is this plane flying backwards or is it an illusion?
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Are the Forces in These Equations Different?
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Understanding Einstein Field equations?
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Spiral time concept - are there any credible......
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Does a truck's load affect its braking distance?
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What caused the Quadruple Rainbow?
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What to use when equations require mass but given a volume ?
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Unravelling the Mystery of Gravity's Speed & Bend
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Perimeter Institute Course Videos & Tutorials: Accessible to Everyone?
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Why is Flux Different for Spheres Compared to Disks in Gauss' Law?
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Gyroscopic Precession: Find Speed & Frequency of Nutation
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How Can I Access Walter Lewin's Course Materials from Past Years on MIT OCW?
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Forces acting on a static trolley suitcase
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Which Books Focus on the Formulation of Differential Equations?
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Problem solving skills for Physics Olympiad
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Which Physics Books Are Best for a Year 9 Student Aiming for MIT?
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What are the ionization methods?
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Understanding Tensors: A Simplified Approach for Beginners
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Question about translating frame
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Calculation of different natural frequencies of a material
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