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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 Fourier transform and locality/uncertainty
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I What is convection in a serpentine flow field?
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I Help with formula to calculate the precession rate change
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B Can Mirrored Solar Arrays Create a Continuous Ion Channel for Energy Transfer?
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A How to validate a code written for solution of 1D diffusion?
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B Question about Curvature caused by Mass
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B Effect of the Sun's Gravity on the Moon
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B Fly in Elevator: Does Compression Affect Hovering?
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B Do Instantaneous Reactions Imply Infinite Speed in Quantum Entanglement?
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I Why is there a sonic boom at Mach 1.5?
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B What attribute makes some fluids more compressible than others?
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B Reporting length with error limits
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B Physics of transients -- general
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A Simulating a Proportional Counter with Soil Sample in SRIM
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B Trouble with Infinity: Understanding Density at a Point
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I Physics: Science and Understanding or Tool of Prediction
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B Adding a nacelle in front or behind the fan?
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B Can a Wave Exist Without a Medium?
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I Why no higher derivative in physics?
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I Are the energy requirements the same for moving masses in different scenarios?
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B U-238 spacings and Zeta function zeroes?
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I Can a sheet of paper cut something if thin enough?
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B Equation for Conductivity of Aqueous Solutions
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B Why is it harder to break tied spaghetti compared to separated spaghetti?
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I Explaining Siphon Mechanics with Bernoulli's Equation
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B Breaking a granite surface plate....
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B Where do neutrons in the sun come from?
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B How high does a wall need to be to block smoke?
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B Calculating Perfect Bath Temperature: 100L Tub
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B How to track the center of mass of a human in a video
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B Understanding Input Signals in Transistors
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B Can orbiting lcds replace radio towers?
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I How do PIR detectors react to plants?
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I Second order, non-linear, non-homogeneous differential eq.
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I How can an atom reach less than absolute zero?
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I Equalizing Pressure in Pipe for Safe Container Design
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A Increase Near Field Coverage & Power Use: Can It Be Done?
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B Velocity of Sphere Falling from Rest in Oil-Filled Beaker
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B Poisson's ratio, steel rod for example
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B Can Velocity and Mass Alone Create Force?
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I Why do protons and nuclei of light elements not ionize solid objects like metal?
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I Why do people ignore sweat dropping off as a cooling mechanism
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B Volume Compression in Cylinders: Does Diameter Affect Rate of Loss?
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I Stress exerted on a wooden cube dropped on concrete floor
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I Can a Mass Spectrometer Deflect Space Debris in Orbit?
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I Explain about the information lost through black hole
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I Ponderomotive Force - What is it?
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A Gas diffusion through a semi permeable membrane
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Vacuum created or suction created when we use peristaltic pump
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B Question in Franck and Hertz Experiment
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I Is Time Reversal Symmetry Truly Fundamental?
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A Reversibility of radioactive decay process?
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I Software for calculating Feynman diagrams
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B How Do Gyroscopic Forces Affect the Spin of a Figgit Spinner?
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B A Question about transverse waves....
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A Understanding Beer-Lambert Law at Low Concentrations: A Biologist's Dilemma
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I What would happen if you brought a deodorant can to 0 Kelvin
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Need help on this question for a project i'm making
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Resonance condition of a cyclotron.
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B A question about the significance of 3
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B Can the Person See the Image Without the Ocular Lens?
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B How does polyphonic singing affect our perception of beat frequency?
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Theoretical physics -- where does spin 1/2 come in
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B Would it feel like it takes more energy or not?
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B Transformer core saturation- is this core saturating?
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I Derivation of the Laplacian in Spherical Coordinates
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For an event to occur is a location required?
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I Formula for concentration of force (battle axe vs. a mace)
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I How to move cool air down through a house?
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I Are there hidden phenomena under the moon that only the naked eye can see?
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B How does acoustic levitation use sound waves to make objects float?
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B Non-ferrous solenoid actuator -- Force calculation
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B What is the Physical Meaning of Multiplication in Physics?
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B Trebuchet Physics: Calculating Baseball Acceleration
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I Is the curl of a vector perpendicular to the vector?
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I How does the physics of a rubber band plane affect its flight?
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I Why Doesn't a Spinning Wheel Drop Due to Its Own Weight?
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I Do Neutrons Have Different Masses in Different Isotopes?
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B Clarifying Young's Modulus and Stiffness Equations for Cantilever Oscillation
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A Laplace Eq. in Cylindrical coordinates
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B Absolute zero by definition is "nothing"
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I Reduction of the Centre of Gravity
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B Calculating Orbital Radius for Hydrogen Atom with Given Angular Velocity
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I Could Two-Dimensional Physics Offer New Insights into Our Reality?
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I What Happens When Different Metals Touch in Space?
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B Hypothetical ring world thought experiment
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I Can a Spectrometer be used to detect material type?
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I Crazy steam-hydraulic unit design
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I Recent Rainbow - three supernumerary bows
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I How to Control Basement Humidity Without Warming Air
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I Understanding Stopping Distance & Its Relation to Speed and Angular Movement
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I What is the Abstract Definition of Energy?
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A Green function issue: can bound. cond. be applied mode-wise?
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B Is it possible to harvest energy from fluid buoyancy?
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B Gravitational Force and the Endless Supply of Massless Particles
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Great Turkish Bombard vs. a tank
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Problems with ideal fidget spinners
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I Why is the Voltage Induced in a Rotating Coil Sinusoidal?
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B Potential Impacts of Helium-3 Mining on the Moon and Human Health
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B What does the levitating frog feel?
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