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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 Emmy Noether's Theorem: Learning STEM for Beginners
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High School Traffic Turbines - Free Energy or Cost Exchange?
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Undergrad Can tiny gas bubbles cause discomfort in body cavities?
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High School Why is Fire Considered Conductive?
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Graduate Apliying PCA to two correlated stochastic processes
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Undergrad Looking for a cheap digital scale with accuracy <1 g
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Undergrad Finding the max angle of a longboard deck before the wheels slip
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Why are the last two digits of the mass of an electron in parentheses?
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High School 2 large objects of equal mass, Will they move each other?
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High School How does the ear distinguish multiple different pitches?
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Undergrad Could a Smoke Detector Serve as a Sail for Spacecraft Propulsion?
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Graduate Calculating decay rates for modes of a circular membrane
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High School Can ultracapacitors be used to split CO2 into carbon and oxygen?
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Undergrad Understanding Delta V = Ed: Validity and Implications for Electric Potential
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Graduate Little help interpreting spectral data from an article
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Undergrad The Role of Doping and Electric Fields in P-N Junction Formation?
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High School Do multiverses follow the same laws of physics?
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Undergrad Designing Rehabilitation Equipment for an Upper Limb (arm)
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Graduate Damped Harmonic Oscillator - Gravity not constant.
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Undergrad Can Diagrams be Used as Circuits in Explaining Sensor Operations?
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Undergrad Transfer of information via a rigid body?
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Undergrad Can someone explain this phenomena?
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High School Expert Tips for Solving Physics Problems | Ace Your Finals in 6 Days!
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Graduate Free bar fundamental vibration relationship length to width
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Undergrad "Undo" Second Derivative With Square Root?
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Undergrad Predicting the decay time of a resonant bandpass filter
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High School What we mean in physics definition (quantity or property)?
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Undergrad What Radial Forces Are Created When Pulling a Wrapped String?
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Undergrad Liquid metal slip/rotary contact
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Undergrad Poynting's theorem in Griffith's
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High School Simple cheap method of measuring mass distribution of object
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High School Question about the allassonic effect
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High School Can Height, Shadow Length, and a Photo Reveal a Person's Location?
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Undergrad How Does a Pressurized Tank Empty Over Time Through a Hole?
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High School Does Standing on a Cliff-Top Decrease Force but Increase Energy?
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High School Isn't a wave what something does and not what something is?
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Undergrad Are Qin and W equivalent in the Rankine and Otto cycles?
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Undergrad Projection down 3 dimensions for aperiodic tiling/quasicrystal
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Undergrad What time structure supports info moving backward in time?
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High School Why does GPS require an accurate clock?
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Undergrad Radius of Gyration: Dist to Axis & Mass Concentration
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Undergrad Deterministic chaos in linear systems
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Undergrad What does peak intensity mean in qualitative XRD?
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High School Examples of discoveries without a hypothesis?
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Undergrad On the stability of an LTI circuit
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Undergrad Is it possible to have a breathable atmosphere at 6 atm
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Undergrad Need a practical example of E=mc^2 with real numbers
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Undergrad What is the most efficient radiator shape?
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High School I am trying to understand energy, and its relation to (matte
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Undergrad Hooke's Law: Changes for Large Displacements
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High School Is airspeed irrelevant in determining airplane travel time?
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Undergrad Poynting's Theorem in Griffiths' Electrodynamics
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High School Why Do We Lose Cell Phone Connection Outdoors Without Buildings or Cars Nearby?
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Physics EE (Extended Essay) on Bicycle Stability
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High School How do helmets help prevent injury to the head?
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High School Calculate Gravity with Ruzanna from the Netherlands
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Graduate Calculating the spontaneous emission rate for a material
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High School Who drew the first model of the atom?
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Is Learning Existing Knowledge Essential Before Developing New Theories?
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Graduate Calculating air gun energy vs PSI & bore diameter
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Undergrad Is this expression for Mass Flowing Out of a Bottle correct?
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High School Creation of PE - WHEN is it created?
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Undergrad A model of what makes up the physical world
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Undergrad List of hyperfine structure of the elements?
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Undergrad Experiment Ideas using an MRI scanner?
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Undergrad Poynting Theorem: What Does it Physically Mean?
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High School Laws in Otto, Diesel, etc. cycles
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Graduate Why does a guitar string "beat" as if it is out of phase?
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Graduate Question about energy transfer between Rare-Earth ions
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High School A couple of links about, not from science
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Undergrad Musings on waves - possible or already realised?
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Undergrad Wire loop in a static homogeneous field question
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High School What does coefficient of increase of physical quantity mean?
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Undergrad How Can Muscle Strain Be Measured?
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High School Royal Society revives a strange old document
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Undergrad Who's moving towards whom in Doppler effect situations?
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High School Can time travel affect cell phone communication?
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Undergrad 3rd Order Aberrations from Paraxial Rays?
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Undergrad Analysis of Ultrasonic Waves at a point
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Undergrad Does an airplane have to nose down in order to follow a curve?
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Help with Remote Sensing Finals: Spatial Res., Radiometric Res., Resampling
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High School Signal Attenuation (capacitive pickup)
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Graduate Recently, I want to write something about data in physics
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High School Do Shadows from Multiple Sticks in a Circle Point in the Same Direction?
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High School What is the GZK Cut Off Point and why does it happen?
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Undergrad What Is the Equation Relating Wind Erosivity to Velocity and Air Density Called?
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High School Gravitational difference between a black hole and a star
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Undergrad Where does the missing energy go in an inelastic collision?
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Undergrad Emission lines and absorption lines
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Undergrad Iron bar wrapped with a solenoid
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High School Unveiling the Mystery of Invisible Atoms
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Undergrad How Can I Accurately Fit an Airy Distribution Over Noisy Resonance Data?
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Undergrad Deterministic chaos and randomness
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Undergrad Question about the angle between two targets as distance increases....
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Undergrad Calculate measurement uncertainty? I made one measurement....
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Graduate Sufficient conditions for Rayleigh-Taylor instability
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Please help. Skating physics question I can't answer.
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Undergrad Why do the glass doors at grocery stores become foggy when...
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High School Why do rockets explode so easily when they tip over?
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High School Is There Truly an Inside and Outside?
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