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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.
Undergrad From Micro to Macro physics (Emergence)
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Issues concerning the 2.4 GHz band
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What is Field energy, what does it mean?
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Understanding the mechanism of capillarity
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Melting of Ice: Temperature, Light & Energy
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Questions on Studying Computational Physics in Undergrads
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Numerical Analysis or Computational Physics
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Abstract explosion modelling - how to?
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Undergrad Why find the highest order maxima/minima in slit equations?
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Undergrad Emergence of Complexity and Life
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A mathematical description of the physics behind Aurora?
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Graduate EM Penetration Depth Into the Ground
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Undergrad How Does Touch Occur in the Brain in a Vat Hypothesis?
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High School Energy Harvesting: Calculating kWh from Motorway Traffic
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High School Why are serrated knives more effective than normal knives?
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Undergrad Why does wind blow leaves in circles?
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Graduate Photo-degradation of a biological sample
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Graduate Symmetry of QED interaction Lagrangian
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Undergrad Perceived Height and actual height
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High School What Is the Physical Significance of Logarithmic IV Graphs in Diodes?
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Undergrad Does determinism exclude retrocausality?
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Is time real (in a physical sense)?
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High School How Do We Interpret the Isodose Contours of HERMES III?
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Undergrad Calculate humidity raise/drop when opening a window
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Undergrad What does "m0 → 0" mean in physics
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High School Do physical (macroscopic) waves consist of matter?
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Undergrad How to relate to math expressions that don’t have physical representations
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Recent Noteworthy Physics Papers
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High School Does the Torricelli Vacuum Experiment Prove the Strength of Vacuum Forces?
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Graduate How is physical Information "encoded"?
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Undergrad The Tritium Puzzle: Unravelling Mass-Energy Equivalence
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High School Which Cleanroom ISO Class is suitable for Liquid Crystal research?
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High School Calculating Flow Rate for Air and Methane in a Valve
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Graduate Do gas-gas and/or liquid-liquid phase transitions exist?
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Undergrad Different kinds of infinity in physics?
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Undergrad Unconventional methods for pumping down a vacuum chamber?
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Undergrad Is Theoretical Physics Progressing Slower Than Experimental Physics?
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High School What occurs when electrons stop orbiting the nucleus?
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High School Do we need another language other than math?
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High School Is There a Connection Between Planck Length and Planck Time in Relativity?
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Undergrad Could Dark Matter Be Present in Our Solar System?
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What is the Meaning of First Principle in Chemistry?
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Undergrad Physics and Philosophy are intertwined....
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Undergrad Derivation of Average Square Energy Fluctuation in a Canonical System
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Undergrad Raytracing Programs: Find Under $1000 | Fritz
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Undergrad Understanding Op-Amp negative feedback
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High School How Unique Is Our Voice in Nature?
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Graduate Software for cross section calculations using .cif files
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High School Feasibility of Yuri Milner's Breakthrough Starshot
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Undergrad Seeking Symmetry: Lie Group & Algebra Models
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Undergrad How do I know the lithium content of a lithium-ion battery?
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High School Showing that formulae are invariant for all values in the domain
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Undergrad Differences between perturbation/variation of an object?
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Challenge How do you calculate the motion of a ball rolling on a rotating table?
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Undergrad Suggestion for resources about cosmic rays
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High School Cloud Chamber Experiment Help - Identifying Particles
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Undergrad Dark Matter Gravity: What Do We Know?
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Undergrad Is the Sagnac Effect a Relativistic Phenomenon?
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High School Are Beats and Standing Waves Related in Physics?
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High School How are Fermions formed from energy?
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Undergrad Solution to the 1D wave equation for a finite length plane wave tube
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Undergrad Awesome cloud chamber track (video)
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High School Ripple Tank Refraction: Frequency Effect on Angle & Speed?
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Amateur microscope mostly for children
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High School Is glow in the dark shirt radioactive?
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High School Recoil dampening in silencers and supressors
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High School Contributions to total energy in different areas of Physics
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Undergrad My cloud chamber didn't make any tracks....
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High School What is the purpose of the depletion region in P-N junction semiconductors?
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The effect of instrumental broadening on FWHM in Raman peaks
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Undergrad How did students manage to study the required Mathematics for Physics
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High School How to calculate the energy released?
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Graduate Calculating Functional Derivatives: -1≤xₒ≤1 vs -1<xₒ<1
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High School Differential equations in physics
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Undergrad Selective filter based on angle of incidence?
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PM2.5 Monitor Question (particulates 2.5 microns or below)
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What Are the Nuances Between Similar English Words?
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Undergrad Viewing Planets or stars from a high altitude
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High School Is Time Dilation Indicating the Existence of Multiple Times?
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High School The Fourth Dimension: A Measurement of Aging
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High School Who set the values of Physics Constants?
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High School Falsifiability -- What is Popper proposing and how should it read?
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High School Can Dropping Stuff Challenge Einstein's Relativity Theory?
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High School Ready to Master Knots? Listen to This 2-Minute Audio!
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High School Kill drum head overtones without anything touching the drum head
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High School Do drums/strings have a pitch bend when they are struck?
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High School Are Tachyons Real or Just a Theoretical Concept Compared to Photons?
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High School Gravity & Neutrons: Could They be Connected?
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High School Can a Fire Tornado Flip an 8 Ton Truck?
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What is Hermitian? Definition & Summary
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Definition of Expectation Value (EV)
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What Is a Harmonograph?
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High School Opposing speakers and standing waves
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High School What is the reason behind including ##2π/T##?
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Understanding the Gerchberg-Saxton Algorithm through Convex Optimization
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Which Graduate Program Explores String Theory and Loop Quantum Gravity?
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Is Physics Truly Scale-Dependent and How Does Decoupling Occur?
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1D string on a cylinder and torus.
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What physical systems exhibit nonseparable Hamiltonians in classical mechanics?
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An exact expression for the fine structure constant
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