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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 Numerical Solution to the Rayleigh Plesset Equation
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Summer Sunday Tours at Brookhaven
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Alfred Nobel Symposium 2005: Energy in Cosmos, Molecules and Life
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Dirac papers disappeared from archive.org?
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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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Undergrad 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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Undergrad Simulation Hypothesis: Quantum Computer Modeling
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Undergrad Studying the air layer over a solid object
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Undergrad Why Sea Level sometimes gives an illusion being at height
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Undergrad What are nanosystems and where can we find them in our daily lives?
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Undergrad Tritium Phosphorescence: Understanding Electron Capture and Phosphor Changes
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Undergrad Efficiency of computers vs. brains
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Undergrad What Are the Factors That Affect the Cost and Quality of Varifocal Lenses?
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Undergrad How many Gs can a person pull during a punch
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High School Einstein summation notation, ambiguity?
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Undergrad Unplug Fridge During Below-30 Days?
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Undergrad Resources to learn about scaling arguments
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High School Name for the distribution of matter?
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Undergrad How far away can 1KW of RF energy be detected?
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High School Report shows gravity waves in clouds(?)
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High School Converting 10 PSI to Electrical Energy
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Pre-1900s Educational Science Background?
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High School What parameters of physics are most important to the existence of life?
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High School If the pedal crank arm length of a bicycle increases....
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Undergrad Coanda Effect and relevant maths
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High School Schwarzschild radius of an object is smaller than Planck length
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High School Lost in Math - Sabine Hossenfelder
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High School 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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Undergrad How do waves following a shockwave catch up to the shock wave?
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High School What is the Conversion Factor for Hectacomb Sacrifices?
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High School Manipulating quantities with natural units
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Undergrad Typical Wavelength vs Wave Length
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High School Rest energies of individual nucleons considered in isolation
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Undergrad Airflow direction -- Improving the cooling of my computer
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Undergrad Condensation as humidity control
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Undergrad What Unsolved Mysteries in Physics Lack a Theoretical Explanation?
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High School What factors contribute to an object's rest energy?
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High School What is the black that we see in the night sky?
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High School What's the Difference Between Contact Force and the Normal Force
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Graduate What does the concave multifractal spectrum shape physically mean?
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High School Why are Boltzmann Brains considered a problem for physics?
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Undergrad The new definition of kg and the mass-energy equivalence
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Graduate Understanding Kolmogorov-Smirnov Test Results for Random Number Generators
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Undergrad E & B field phase relationship in EMR
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High School Does the Density of a Portable Cloud in a Bottle Depend on Pressure?
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High School Which ray diagram is correct for a Compound microscope?
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Graduate Real image of a sawtooth standing wave in a musical string?
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High School How a Lagrangian can represent a theory?
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Undergrad How does gravity affect time on different planets?
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Number of basic physical quantities
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Undergrad Calculate Retinal irradiance - from photometric units
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High School Why do oceans look blue from orbit?
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Insights The Basics of Positron Emission Tomography (PET) - Comments
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High School Has anyone ever built a superconducting quenchgun?
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Undergrad Rebinning Strategies for Unequally Spaced Data in Spectroscopy Experiments
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Undergrad How to calibrate a NaI(Tl) scintillator?
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High School The Physics of a Black Hole Merger: What Happens to Mass?
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Undergrad Searching Beyond EM Spectrum: Tech Needed to Discover New Wavelengths
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Undergrad 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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High School Might all physical quantities be quantized?
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High School Why pulling large objects is easier than pushing? Or vice versa sometimes?
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Undergrad FRB's source as Rail and/or Coil Guns (or mass drivers)
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High School Can Waves Reveal the Properties of Their Medium?
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Undergrad Theoretical Torricelli Vacuum Test: Impurity Impact on Pressure
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Undergrad 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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Undergrad Inverting the Birch-Murnaghan Equation of State
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Graduate How can a zipper MRI artifact be limited to a single line?
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Undergrad Understanding Critical Energy and Thresholds in High Energy Physics
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Undergrad Understanding the dispersion of waves
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Graduate Your guess (or some ideas) for Nobel 2019
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Undergrad 'Formulations' of Physical Theories: Overview?
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Atmospheric CO2 absorption - actual quantification?
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High School Does the Earth "really" revolve round the Sun?
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High School The Term "no mass" is poorly defined
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High School Will graphene become a wonder material for future inventions?
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Undergrad Is Infinity Possible Within Our Finite Universe?
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Undergrad How does a meteor explode in mid air, releasing massive amounts of energy?
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Undergrad Interval between double sonic booms
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High School Oxygen Transformation: A Puzzling Phenomenon
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High School Do Rocks Absorb and Utilize Solar Energy?
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Undergrad What subfields does semiconductor physics comprise?
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Graduate Is computational Physics a hard major?
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Undergrad Can red blood cells be considered colloids? (soft matter physics)
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High School What is our understanding of dark matter?
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High School 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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Undergrad RK4 with adaptative step versus fourth order leapfrog integrator
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High School Melting Ice Caps and Sea Level Rise: Separating Fact from Fiction
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High School 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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Undergrad Is there a limit to how hot something can get, and if so why?
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High School New Tokamak D Mode Success - Fusion is Almost Here
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High School Is there any physical quantity having two different units?
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