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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.
Can a Solar Panel Detect a Raman Signal After Filtering Rayleigh Scattering?
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How Does Angle of Incidence Affect Deodorant Dispersion in Physics IA?
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I What happened to Susskind's Quantum Field Theory lectures at Stanford?
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Laplace's equation vs Principle of Least Action?
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I Simulation Hypothesis: Quantum Computer Modeling
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I Studying the air layer over a solid object
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I Why Sea Level sometimes gives an illusion being at height
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I What are nanosystems and where can we find them in our daily lives?
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I Tritium Phosphorescence: Understanding Electron Capture and Phosphor Changes
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I Efficiency of computers vs. brains
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I What Are the Factors That Affect the Cost and Quality of Varifocal Lenses?
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I How many Gs can a person pull during a punch
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B Einstein summation notation, ambiguity?
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I Unplug Fridge During Below-30 Days?
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I Resources to learn about scaling arguments
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B Name for the distribution of matter?
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I How far away can 1KW of RF energy be detected?
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B Report shows gravity waves in clouds(?)
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B Converting 10 PSI to Electrical Energy
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Pre-1900s Educational Science Background?
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B What parameters of physics are most important to the existence of life?
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B If the pedal crank arm length of a bicycle increases....
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I Coanda Effect and relevant maths
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B Schwarzschild radius of an object is smaller than Planck length
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B Lost in Math - Sabine Hossenfelder
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B Can a wavelength be smaller than a Planck length?
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Lost significant figures through division by exact numbers
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I How do waves following a shockwave catch up to the shock wave?
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B What is the Conversion Factor for Hectacomb Sacrifices?
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B Manipulating quantities with natural units
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I Typical Wavelength vs Wave Length
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B Rest energies of individual nucleons considered in isolation
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I Airflow direction -- Improving the cooling of my computer
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I Condensation as humidity control
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I What Unsolved Mysteries in Physics Lack a Theoretical Explanation?
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B What factors contribute to an object's rest energy?
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B What is the black that we see in the night sky?
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B What's the Difference Between Contact Force and the Normal Force
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A What does the concave multifractal spectrum shape physically mean?
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B Why are Boltzmann Brains considered a problem for physics?
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I The new definition of kg and the mass-energy equivalence
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A Understanding Kolmogorov-Smirnov Test Results for Random Number Generators
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I E & B field phase relationship in EMR
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B Does the Density of a Portable Cloud in a Bottle Depend on Pressure?
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B Which ray diagram is correct for a Compound microscope?
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A Real image of a sawtooth standing wave in a musical string?
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B How a Lagrangian can represent a theory?
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I How does gravity affect time on different planets?
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Number of basic physical quantities
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I Calculate Retinal irradiance - from photometric units
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B Why do oceans look blue from orbit?
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Insights The Basics of Positron Emission Tomography (PET) - Comments
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B Has anyone ever built a superconducting quenchgun?
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I Rebinning Strategies for Unequally Spaced Data in Spectroscopy Experiments
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I How to calibrate a NaI(Tl) scintillator?
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B The Physics of a Black Hole Merger: What Happens to Mass?
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I Searching Beyond EM Spectrum: Tech Needed to Discover New Wavelengths
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I Covariant and contravariant tensors
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How to Fix Sagging Soccer Goals: Tips and Tricks
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Advantages of Larger Syringe Barrels for Aspiration & Pathology Removal
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How to Calculate Arc Length of a Helical Path on a Torus?
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B Might all physical quantities be quantized?
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B Why pulling large objects is easier than pushing? Or vice versa sometimes?
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I FRB's source as Rail and/or Coil Guns (or mass drivers)
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B Can Waves Reveal the Properties of Their Medium?
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I Theoretical Torricelli Vacuum Test: Impurity Impact on Pressure
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I Can we consider this system as an Einstein model of a Solid?
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Unknown mathematical methods in Physics?
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I Inverting the Birch-Murnaghan Equation of State
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A How can a zipper MRI artifact be limited to a single line?
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I Understanding Critical Energy and Thresholds in High Energy Physics
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I Understanding the dispersion of waves
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A Your guess (or some ideas) for Nobel 2019
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I 'Formulations' of Physical Theories: Overview?
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Atmospheric CO2 absorption - actual quantification?
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B Does the Earth "really" revolve round the Sun?
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B The Term "no mass" is poorly defined
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B Will graphene become a wonder material for future inventions?
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I Is Infinity Possible Within Our Finite Universe?
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I How does a meteor explode in mid air, releasing massive amounts of energy?
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I Interval between double sonic booms
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B Oxygen Transformation: A Puzzling Phenomenon
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B Do Rocks Absorb and Utilize Solar Energy?
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I What subfields does semiconductor physics comprise?
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A Is computational Physics a hard major?
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I Can red blood cells be considered colloids? (soft matter physics)
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B What is our understanding of dark matter?
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B For every action there is an equal and opposite reaction
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Is Time Constant Across the Universe or Does it Change Over Billions of Years?
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I RK4 with adaptative step versus fourth order leapfrog integrator
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B Melting Ice Caps and Sea Level Rise: Separating Fact from Fiction
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B How can we get clothes out of a vacuum chamber without condensing water on them?
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Non-Condensables In Refrigeration System
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I Is there a limit to how hot something can get, and if so why?
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B New Tokamak D Mode Success - Fusion is Almost Here
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B Is there any physical quantity having two different units?
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A What property of air makes it compressible?
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Cooling air by running it through underground pipes
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Why is Density Necessary in the Viscosity Comparison Method?
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Deriving normal and shear stresses
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