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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.
I Coherence, Young's double slit experiments.
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I Indirect Airflow for Safe Extraction of Hydrogen from Lead-Acid Battery Room
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Revolution under the influence of a central force
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B Is it dangerous to touch neutral wire?
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B Confused about the ideal gas law
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B Wouldn't fusion reactors also cause global warming?
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B Exploring Extra Dimensions: Time, 2D & 3D Space
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I Noether's theorem for discrete symmetry
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I Understanding Energy States in Complex Systems
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B Taming Infinities: Examining Quantum Theory and Spacetime with Penrose
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B Why does time only move forward and not backwards?
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I Stress problem between superconductor and wire
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B Where Will the Image Be Formed with Light Rays Perpendicular to a Plane Mirror?
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I Trying to better understand what viscosity really is
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B EMF Induction in a Loop of Wire - Does It Work?
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I Non-Linear Evaporation: Explained for Beginners
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B Whats the principle behind Schuster Focusing?
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I Can the volume of a control volume change with time?
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B Calculating the Uniform B Field in an AC Helmholtz Coil: What's the Formula?
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B Impression of relative velocities
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I What does Fermat's principle of least time mean for causality
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B Recreation of Famous Japanese Rogue Wave
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I Double slit displaying anti-fringes?
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B Solid angle by placing one disk on a cylinder
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I How to select gear/sprocket ratios for vehicle?
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B Quartz vs. Glass -- why do they have different melting points?
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I Tipler/Mosca significant figures
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I Collimating an extended source to infinity?
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Buoyancy, incompressibility and G forces
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I Ice patterns on the inside of my windshield
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B Angle required to hit coordinates x, y, z with air ressitance
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B Is this mark scheme correct, poorly worded, or wrong?
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I Gases: Not Required to Be Blackbodies
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B The Gain of the Inverting Amplifier and Virtual Earth....
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B Can we truly understand the concept of time?
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B A New Way to Make Fusion Reactors More Efficient
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B Tensor Conventions: V^*⊗V^*⊗V (1,2) vs (2,1)
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B When does an isotope begin to decay?
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A Acceptable Atmosphere for CZ/Float-zone Refining
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B Are trigonometric ratios physical quantities?
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B How does sweating cool a person down?
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I How do three flywheels, one in each axis, behave?
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B A silly question about why the sky is blue
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I The component of the total spin in the direction of H
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I Atmospheric Flow: Meaning & Natural Examples
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I How to derive Nielsen equation from Lagrange equation?
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I What is the physical meaning of divergence?
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Why Does a Prism Periscope Focus Light Instead of Scattering It?
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I Significant Physical/Chemical Change Found by Sign Reversal?
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B Gravitational force of the Earth and Moon
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B Gravitational waves for data communication?
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B Why are we trying to unify all the physical forces?
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I Finding the Fresnel coefficients from interface conditions
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I Non-aquaeous expansion medium for a reactor
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I Complex permitivity of good conductors
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I Atmospheric Lapse Rate (calculating the altitude of cloud formation)
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I Can you explain this photo to me?
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B Simple derivation of the Equations of a Gyroscope
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B Exploring the Concept of Energy Fields in Physics
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B Rayleigh Interferometer: Impact of Slip Placement on Interference Pattern
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B What is the equivalent in kg of the force exerted on a plate
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I Calculating Velocity of a Ball in a Black Hole's Sphere of Influence
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B Could a Particle Accelerator Create a Black Hole That Destroys Earth?
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B Could steam be expanded through a nozzle to get 0°C gas?
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I Intrinsic impedance of a resistor
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I Isotope clock reset debunks earth's age?
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B Why there is a difference between same components of 2 paral
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I Is there a mechanism for creation of negative energy density
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Foundation of the laws of physics
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Can the equations for two retarded potentials satisfy the Lorenz condition?
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I Direction of E field and propagation of wave in a conductor
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A Symmetry of the permittivity tensor of lossless media
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I Caculate the reaction force of a radially moving object
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I Diagram of CO2 dip at 4.3 microns
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B Question about forces in a gearbox
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I Back to basics: bubbles in a syringe
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Question About SETI & Time Chauvinism
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B Is radioactive decay truly random?
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I Where do I get raw data for plotting Bragg curve?
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B Gravitational attraction of 2 equal masses
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I Restricted three body problem (numerical simulation of gravitational attraction)
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B Energy from the Sun: Is it Dangerous?
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B Is one side of the Earth faster at night and slower at daytime?
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I Can a 7.2 Volt Driver Rotate a 300 Pound Weight with Ease?
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B Understanding the First Dimension: Exploring the Unknown
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B Additive colour theory and "traditional" colour mixing
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B What is wrong with gravity equations?
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I Diffusion & Effusion: What Is It?
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What Are the Best Online Physics Learning Tools and Resources?
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A Free expansion of a real gas vs Joule-Thomson effect
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I Optimizing Venturi Effect in Hyperboloid Tower Construction
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B Why did my coffee foam over when I added milk?
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B Can Black Holes Be Annihilated?
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I Some questions about toppling of a set of two cylinders
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A Colloidal suspensions, Polymer solutions
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B Is the Strong Force Really Stronger Than the Electromagnetic Force?
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I Intuition for why d<p>/dt = -dV(<x>)/dx
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I Error propagation and standard deviation
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B So what is the new definition of the kilogram?
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I Does Planet Mass Affect Orbital Period?
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Physicists seek to formulate laws and theories that describe the fundamental forces shaping the cosmos, from the microscopic world of subatomic particles to the vastness of galaxies. Divided into classical and modern physics, the discipline encompasses mechanics, electromagnetism, thermodynamics, quantum mechanics, and relativity.

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