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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.
A Is the Universe Random or Chaotic?
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B What factors affect the rate of sinking objects in water?
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B How Can Math Help You Understand Gravity?
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I Why Does Light Reflect Differently on Leaves in Certain Areas?
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I Why Is Gravity Always Attractive?
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I How does gauge pressure affect the buoyant force on a submerged object?
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B Does Spontaneous Symmetry Breaking Contradict Symmetry?
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Insights Fun with Self-Avoiding Walks - Comments
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B What is binding energy and how does it hold nuclei together?
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I Time travel thought experiment
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B Question about photocell experiment
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B Was H.G. Wells' Concept of Time as a Fourth Dimension Accurate?
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I How to Fold Data Points to a Period
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Force exerted by air in an inflated unloaded tire
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B What is this tool and how is it used to study light?
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A Intensive vs Extensive Expressions
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I Can plotting corrected values help determine a more precise E_g?
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I Traveling the Universe at the Speed of Light: Is it Possible?
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I When natural language fails to explain
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I Force Applied to Chain at Max Length
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B Why gravitational force is attractive? (and why dark matter is repulsive?)
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I What is a Tensor? - Get Help Here
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B Where can I find cuvettes with transparent caps?
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I Verify a Formula for Poynting Vector?
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I Frequencies of standing waves in a straw
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B Create Your Own Hologram for Beginners
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I How Does the Biot-Savart Law Apply to Angles in an Infinite Wire Calculation?
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B Buoyant Force: Pressure, Gravity & Upward Thrust
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A Displacement graph of an orbiting body
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B Optimizing Room Temperature: Impact of Thermal Paste on Notebook Heat
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B Confirm: Upward Force > Weight of Object
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I What happens to energy when it has nowhere to transfer?
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I Is the Universe Deterministic Despite Quantum Mechanics and Thermodynamics?
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B Does the gravitational force change for a spinning wheel
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I Storing Kinetic & Mechanical Energy
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How do you calculate the moment of a spinning wheel
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B Helicopter Spin: What Makes Objects Fall Out?
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B Airplanes stay level at higher velocities?
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B Gravity between objects on Earth
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B How much force was applied by the horse?
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B Digging Through the Earth: What Happens?
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I Pascal´s Principle in Compresssible Fluids
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B Difference conservative and non-conversative force
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B Calculate Speed over Time: Net Thrust of 5.25 m/s & 124 Secs
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I On liquid oscillation excitation
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I The influence of humidity when creating a vacuum
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B Is it possible to squash an atom?
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B Why Use Dot Product vs. Cross Product for Vector Calculations?
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B How does Gauss's Law relate to E=(2kλ)/r for an infinite line of charge?
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I Proportion in 2D and 3D static equilibrium?
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I Can an object dropped from a moving plane achieve purely vertical motion?
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I Does the incompleteness theorem apply to physics at all?
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Is it possible to use gyroscopic force instead of a mass?
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B Why do arrows deviate from the target in archery?
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B Has the Mystery of the Mpemba Effect Been Solved?
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B How Can You Linearize a 1/x Graph in Physics Lab Data?
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B Is the Large Hadron Collider large?
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B What is the derivation of this equation: d = t sin θ [ 1 - (n cosθ / n' cosθ)]
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I In which case coffee will cool faster?
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B Why do water waves not undergo a phase change when they hit a fixed wall?
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B How do you know a force if a force is radially symmetric?
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B Can someone explain this projection distortion effect
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B Why Do We Treat Units Like Variables in Physics?
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I Capacitive Reactance: Opposing Voltage Changes & Impedance
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B Why the Earth moves around the Sun forever and ever and ever?
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I Why time in formula accelarion has exponent two
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B What would happen if nothing was like it is
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I Energy differences in different directions: the grid
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How do we measure that two objects can have different time?
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B Leaf Blower Thrust for Bike: 450 cfm @120 mph
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B Why can't one metre be more than one metre?
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B Computing force given mass and distance
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I Moment and the Larmor precession
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A Can black holes convert matter/dark matter?
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I Can C60 Fullerenes Create a Freeze Ray?
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B Why Is Projected Area More Relevant Than Surface Area in Physics?
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B Choke Station in Fluid Pipelines: Pressure, Valves, & More
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I Bike going downhill brakes front wheel
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I Energy Conversion With Supercritical Fluids
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B Drop Ball Moving: Initial Velocity 0m/s?
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I What happens to the mass of a muon when it decays
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I Debunking implausible gravity claims in pianism/boxing
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I Is there a name for this fact in physics? is it a theorem?
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I How do you find Z when the temperature line ends on the compressibility chart?
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I What is the gas composition in a tank with a SF6 leak?
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B Calculating error when constant is divided by variable
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B Why Use a Photodetector in Interferometry?
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I Equal or Not? Comparing km/h/s & km/s/h Acceleration
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B Need help understanding tires and adhesion
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I Converting Milligauss to Hertz: Explained
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I Why things do not stop immediately?
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B Why Do We Slip on Ice? Explained | Kinetic & Static Friction
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B Layman asks 2 basic questions regarding gravity & free will
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I Understanding the Beer-Lambert Law and Its Derivation
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B I can't understand more than 3 spatial dimensions
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B Archimedes Principle: Weight of Immersed Object
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B Asteroid Binding Energy: E=mv^2?
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B Why physical quantities need a unit?
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B Simple Harmonic Motion: Finding Amplitude, Velocity, and Acceleration
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I Background required for Noether's Theorem?
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