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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.
I The Mandela Effect: Possible lead?
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B Do the Equations for Apparent Weight and Buoyant Force Contradict Each Other?
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I Mysterious Flashes of Light in Dark Room
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B Why Is the Boltzmann Factor Exponential?
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I Question about converting propane vapor volume to liquid gallons
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I Why is the resolution of TEMs and SEMs not smaller?
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I How to calculate the calories burnt during walking
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B Unexplained Object Movements: What Causes Random Movements Without Force?"
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I Overall energy input in random vehicle vibration tests
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B Do all auroras occur in circles?
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I How are physics theories discovered?
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How Do Riders Experience Translatory Motion on a Ferris Wheel?
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I The Normal Distribution - Random Errors
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B My physics IB (international baccalaureat)
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B Significant Figures: Why Leading Zeros Don't Count
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I What causes alternator waveform shape?
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I How do initial conditions affect the symmetry of wave equations?
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A Deriving Ekman Transport in the Southern Hemisphere
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B Understanding Axial and Radial Moments: Definition and Importance
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B Climbing Rope: Physics and Forces on Ceiling
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B Can Dropping Glass on the Floor Cause Spalling and Ejection of Particles?
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I Center of Mass of Quarter-Circle Wire
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I How many 400KB files will fit on 1mm^2 surface of hard drive
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I General Question about Dissipation of Energy
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I How does a physicist view mental phenomenons?
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I How to do the Dark Frame Subtraction? (camera imaging)
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I Inhibit repulsion between two like poles
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B Efficient Fast Orbital Transportation/Construction?
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B The Sense of Restoring Force in Vibrations
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Gas Distribution: Temperature, MFP & More
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I Trust me I'm a Photographer -- I have a question
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I Do laws of physics apply below the event horizon?
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I Are There Other Massless Objects Besides Gluons and Photons?
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B How is ħ pronounced and what is its significance in physics?
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I Buoyant Force and what densities to consider?
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I Switchable glass question (from transparent to a pure white)
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How Does Zero Divergence and Curl Determine Uniqueness in a Manifold?
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I EPQ Project: Build a Slingshot for 780g Projectile 100m Range
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Philosophiæ Naturalis Principia Mathematica
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B Can someone explain to me force field strengths versus distance squared?
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B Laplace Transform for Cosine Function: Can You Obtain a Transfer Function?
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B The Impact of Force Direction on Collisions: A Physics Novice's Confusion
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B How do I calculate the G Force in this certain situation?
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I Help Understanding Energy in General
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B Black Holes & Time: How Do We Observe Movement?
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B Exploring the Physics of Stacked Blocks: No Normal Force on Block A
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B If Earth moves at 500,000 mph then why don't satellites stay behind?
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A Boltzmann's constant validity domain
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B If you had to make a perfect vacuum, version #2
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Why Does Arranging Solar Cells in Series and Parallel Increase Power Output?
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B Understanding the force between two objects
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I Instrument Line Function of a Spectrometer
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A Multi Gaussian beams explanation
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A The problematic 1/N in canonical partition function
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B If we *had* to make a perfect vacuum....
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B Why does an attractive force always have a negative sign?
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I Energy: What is it? Can Objects Be Made of It?
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Stair Descent Physics: Share Lecture Illustration
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I What is the Direct Solution of the Wave Equation?
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B How does attenuation happen? Very confused
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B Curved line shortest distance between two points?
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I The Trade-Off Between Simplicity and Intuition in Scientific Theories
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I Understanding the Amplitude of sin2x
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I How Does Temperature Affect the Drying Speed of Dishes?
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A Is Negative Mass Real and How Does It Affect Energy in Space?
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I Why not find mass increase in a simple way?
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Why does uranium not have any stable isotopes?
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I Creating a way to protect a peep inside a vacuum chamber for a demonstration
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B Simple error propagation questions
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A Resonance in Feynman lectures v1 ch23
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Why do stronger red lasers not work in a Crookes radiometer?
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B Why is blood flow rate constant?
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I Mass Flow Rate Problem: Easy Unite Conversion Tricks
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A Conductivity change of a tank (glass coating on steel)
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B Is Energy Truly Quantized in De Broglie's Equation?
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I Q: What Subscript Should I Use for Physics Quantity?
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B I would like to get a feedback on this video
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B If the Sun disappeared, would the Earth continue to orbit?
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I Is the Indicatrix a Volume Chart or an Ellipsoid for Crystal Optical Properties?
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B Can you reverse Einstein's famous E=mc^2 equation?
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B Perceiving Higher Dimensions: Understanding the Unknown
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B What would happen if 6 black holes surrounded a planet?
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I Force required to indent a volume of material
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I Odd use of terms (“stationary stochastic process”., etc.)
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I How Do You Calculate Vertical Displacement from Experimental Data with Noise?
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B What else can UV rays be used for?
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B Could a black hole be hiding inside a neutron star?
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I Most fundamental quantity in physics
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I Is It Safe to Connect Batteries in Parallel?
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B Directed Energy: Low Intensity Applications
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I Ideal Gas Equation: Pressure not Proportional to Moles
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I Steam punk, Field of view including the eye
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B Differences between Centre of Gravity and Centre of Mass
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B Which Rays to Consider for Image Formation via Concave and Convex Lenses?
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I Can Temperature Changes Alter Humidity in a Completely Filled Closed System?
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B Can Orbiting Bodies Slow Down Over Time?
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I Spinning a penny is not a 50/50 chance event (but flipping it still is....)
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B Black Holes & Time: A Closer Look
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B Is this a printing error? (book example problem -- radius of a molecule)
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I Determining the total energy released by a compost pile
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