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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.
B Telescope with a pinhole as the Objective?
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B What exactly happens when touch a surface
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I Why evaporative cooling is a constant wet bulb temp process?
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I Will a solenoid inside another solenoid increase its strength?
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B Does someone weigh more on a steel ship?
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I Can someone explain this equation for Reynolds' number?
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B What does the Center of Mass equation mean?
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I Angle of projection for maximum range
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I An aluminum cylinder with a steel wire attached
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I Vector Triple Product - Physcial Significance
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I If force is done in an instant, how is it calculated?
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I Maximum size a mammal could grow to?
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B Is this an accurate description of standing waves?
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I How does ΔU relate to Cv in an adiabatic process?
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B Must two quantities have the same dimensions
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B Question about 1986 Challenger incident
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B What happens to absorbed colors in colored substances?
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I Irreversible Process: Heat Transfer Dynamics
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I Stopping forces in an emergency stop
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I Reversible Process: Why is it Important?
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I Microstate, Macrostate, Probability
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B A Question about Effect of Surface Area on Loudness
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I Internal energy of any ideal gas
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I Vehicle tire load vs stopping distance
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I Determine the force exerted by the seat on the child at the bottom of the ride
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I Physics term for discussed example and calculations
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I Uncertainty Analysis: Understanding Errors in Quantity Measurements
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I Force Needed to Push a Manual Treadmill
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I Design diameter of transmission shaft
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I How to Design a 110kg APCP Sounding Rocket?
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I Is sand a better conductor than clay? And why?
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B Plural of henry?.... henrys? henries?
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I Can an air-only refrigerant system effectively cool a freezer?
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A How exactly is energy transferred in grad(B) drifts?
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I Twin paradox in SR and its applicability to radioactive decay
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B Brainstorm: Is absolute zero relative
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B Is mass a measurement of energy?
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I Can My Growth Spurt Make Me Faster Than Usain Bolt?
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B What is the Physics behind Smells?
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B Surface volume of 3-sphere with radius of 2 Planck length?
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B What are some limitations to Young's Double Slit Experiment?
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B Hanging Object: Achieving Stability with 10 Newton Force and 1 kg Mass
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B Upthrust & Buoyancy: Does Surface Area Matter?
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I Depth of field phenomena -- distant objects visible through close objects
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B Resonance in large objects, say a cruise liner
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I What are the fundamental principles of physics that apply universally?
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B Slit Distance - Young's Double Slit Experiment
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A What software and equipment do I need to view scanned surface data?
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I How much would time pass between watching the sun set ....?
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A Contrast-Calculation between two planes
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How can I determine the length of a Multimode fiber?
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B Relation between sum of the forces and energy
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I Optimizing Evaporative Cooling via Sweat in Dry Desert?
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B How can I approach drawing v-x graphs for projectile motion problems?
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A Degrees of freedom and dependent sample variances
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B Force Defined: First vs. Second Newton's Law
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B Mastering Physics Problem Solving: Tips and Rules for Success
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I Size of links and loads in the hydraulic system
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I Calculating expected number of measurements
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I Can reflected light be used to create an accurate spectrometer?
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What are the dimensions/units of Evaporation?
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I Negative values for Gaussian Distribution
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I Could Gravity Ever Be Negative?
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I Controversy about the nature of finite angular displacement
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I RL vs LR Circuits: Low-Pass/High-Pass Filters Explained
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B What causes mass defect in the nucleus?
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I Why could we represent the addition of two vectors like this?
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B Outdated vs. Essential: A List of Superceded Theories in Physics
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I What if the mystery of unified theory is solved?
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B Could a Warp Jet Revolutionize Space Travel by Compressing Space?
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I Solving the differential equations involving SHM
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I What Materials Absorb IR The Best?
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B Can Increasing Human Body Density Enable Breaking Rocks by Hand Compression?
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I Amount of nitrogen needed to flush a pipe
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Canonical Ensemble Homework: P(ε) & No. of Microstates with Energy (E-ε)
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B Is Energy Constantly Changing Its Location?
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I What's the physics description of "existence" ?
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B How to create a material with specific characteristics
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A Irradiance distribution of projected beam
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B Why the energy that waves transfer is only dependent on amplitude
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I Why do waves need to match object size for interaction?
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B Double Rainbows and the direction of their colors
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I What properties allow me to see past Earth's curvature?
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B What is scientific and what is not?
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A Questions about Taylor dispersion in laminar pipeflow
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A Flow in Porous Media and Granular Beds
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I Emission spectra of different materials
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B High School Science Fair Ideas: Unique Research Projects
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I Question about finding resonant box dimensions
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I Comparison of tidal forces acting on the Moon vs Enceladus
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B Effects of wind on a moving person
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I Will a Dense Green Object Sink in a Sealed Water-Filled Pipe?
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B Why Does F Equal (mdv/dt = dmv/dt)?
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I Does moisture escaping from powders decrease chamber vacuum?
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I Michelson Morley experiment: relativistic explanation
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Wave properties from the differential equation of a wave
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I Gravity as geometry vs gravity traveling at c
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I Solving the Mystery: Which Tank Fills First?
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B Can the Alcubierre Drive Overcome Quantum Mechanics Challenges?
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B Why did it take 100 years approximately for the idea of energy to be accepted
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