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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 How does the equation for experimental uncertainty work?
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I What would be a useful application for 10 Thz nano-antennas?
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B Why do microcontrollers fail in a Vacuum?
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I Calculating Viscous Damper Energy in Spring-Mass Systems
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A What Is a Fourier Series?
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B Colliding black holes effect on the Richter scale
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I Connes' non-commutative geometry: useful or just an exercise?
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B Why does bonding occur between atoms?
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I Can Two Different Physical Theories Yield the Same Predictions?
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How were you exposed to probability theory in physics?
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B Can Antiparticle Collisions Occur Without Charge Intervention?
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B How does hovering and constant climbing differ?
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Why Does Closing My Door Increase the Breeze in My Room?
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I How Does an MRI Work and Differentiate Between Different Tissues?
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I Clarification for a standing wave on a string equation
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B Forward Biased Diode: Potential Rise vs Battery
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I Physically relevant: fractals, phi?
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I MRI synchronization with the IRF90
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What is the relationship between gravity and density?
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Understanding Perfectly Black Bodies
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I The physics of sailboats tacking against the wind
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I Quiz question: Who Dies If 'E' Pushes The Stone?
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I What is the thickness of the atmosphere?
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B How absurd are these numbers really?
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B Force of gravity along the radial direction
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B G11 Metric Tensor: What is it & How Does it Work?
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I Proof of a law versus proof of a theorem
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B What is the underlying reason for stimulated emission?
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B Why do chains on tires provide more traction in the snow?
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B Understanding Incompatible Scientific Theories for Scientists
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I Does the color of an object change as it gets hotter?
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I Deriving the Boltzmann distribution
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B Thrust Calculation: 1000 psi Tank, 1 in² Removed
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I Covariance & Contravariance of Vectors
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I Identifying & Accounting for Systematic Error in Scales with 1mg Capacity
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I How many ion-pairs are there in normal conditions in the air?
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B Direction of Resultant Force on a Skydiver After Opening Parachute
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B Difference between "1 kgf" and "1 N"?
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B Can Digital Radios Tune Without Moving Parts?
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B What warms atmospheric nitrogen?
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I What is the difference between covariance and invariance in special relativity?
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B Why does a wall break and not move when pushed?
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B How the atom was proven to exist?
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A Is there a model for ionization of N2 in air under an electric field?
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B Showing/proving a physical relationship
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I What is the difference between transverse and plane waves?
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I Aesthetically pleasing formulae involving time?
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What makes a good physics theory
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B Why Are Heavier Objects Attracted to Each Other?
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Comparing delta(PV) vs P(deltaV)
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I Separation of Fluids in a Centrifuge
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I Adhesive Forces: Bigger vs. Smaller Straws
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B The Wave Equation and Traveling Waves
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B Constant Force: Energy Conservation & Path Independence
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B Archimedes principle and the density of a rock
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B Using the words "Formulate" "To imply" "Explain" in Physics
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I Aviation safety plane crash question/idea
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I Changing the focal plane of a video projection?
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I Why Are Electric Field Components Ex and Ey Zero in Wave Equation Solutions?
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What fraction of long wavelength EM gets through a small hole?
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I If Earth collided with another planet
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I Linear fitting in physics experiments with errors
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I Horizontal Force on a trapeze pivot
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I In a rifle scope, why is the reticle at the focal point?
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B Relationship between launch height and range
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B Fundamental Constants: How Do We Know They're Constant?
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I Error of a measurements taken with a multimeter
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I Forces applied to trailer hitch
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I "Unexpected" Symmetry in Elliptical Orbit
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B Converting Units (Medical Application)
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B How much time for a pencil to drop
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B What are the physics behind fishing rods?
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B Why is the volume of a gas bigger during a phase change
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B Physics of Drifting: Friction, Inertia & More
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I Does Hyugen's principle apply in three dimensions?
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B Different size slits in Young's double slit experiment
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I What Must Abstract Conductors Be Made Of?
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B Formula of S in simple harmonic oscillation
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I Can Newton's Theory of Gravity Explain Planetary Elliptical Orbits?
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I Boundary conditions of a forced oscillator (string)
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B Physics in a manual angle grinder machine
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B Representing Vectors: Calculating Force & Angle
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I Relation between statistics and theoretical physics
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B Can you prove anything using the Scientific Method?
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B How Do You Properly Calculate Uncertainty in Measurements?
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B Does Human Population Growth Impact Lunar Orbit?
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I Cavitation in a closed loop pumping system
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I Can energy exist by itself (without time and matter)?
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B Airplanes Landing & Altitude Problem
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I What physics does this BVP represent?
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I Line Spectra and low density gases
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I Vector and Scalar Tensor Invariance
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I What does this n(MAX)j=1 part mean?
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B Do Electrons Get Excited and De-Excited Equally in Colored Compounds?
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I Phase differences in Transformers
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B The values of the fundamental constants
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I Counterexample to the Poynting theorem
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Understanding solar cell band diagram
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B How does insulating glass use vacuum or gas to reduce heat transfer?
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Does anyone know how to measure the color of a Post-It note?
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