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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 If AI could replace physicists why should we still research?
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B How can I derive the hydraulic equation using conservation of energy and work?
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I Distinctions among the concepts: mass, matter, energy
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What Is Physics?
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B Help with Physics lab idea (creative)
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I Does Reflecting Light Through a Birefringent Crystal Compensate Walkoff?
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I Why does red food coloring look green when it dries?
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B How is a Vaccum mathmatically described?
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B Is energy just change that is quantified
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B Do Quartz Crystals in Ancient Structures Emit Energy?
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I F-ratio Calculation for Telescope Cover Modification
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B How Does Time Travel Influence Aging?
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B SONAR: Echo vs Reflection of Sound Waves
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I How Does a Clockwise Spinning Gyroscope Stay Upright?
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I Can 2 spheres orbit each other say inside ISS?
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I Understanding the transmission of an etalon
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B What is the Relationship Between Candelas, Watts, and Brightness?
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B What is the reason for the Emergence of properties?
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B Can Time Really Loop and Repeat Itself in the Universe?
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B Energy being Converted to Mass
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B The load of an object on a pivot
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I Different versions of Falkner-Skan equation
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B What is the process for developing new physical laws?
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B How does force transfer through an object microscopically?
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B Understanding Stefan Boltzmann Law: Derivation and Simulation Guide
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B Can a 747 Take Off on a Conveyor Belt?
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B Antimatter and matter canceling out
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I Atom as a harmonic oscillator of radition
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I Fluid transfer low flow to high without a pump
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B Measuring Gravity: Using Direct Motion Videos to Estimate g
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B Objects smaller with distance (again)
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I Does the normal force really equal mg on earth? I think not....
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B What is the formula for calculating RPM of a gear with a known force?
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B How can one turn diamond powder back into hard stone form
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B What Effect Does Opening a Valve in a Vacuum Have on Air Molecules?
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I Physics of legwrestling and Mas wrestling
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I Theorem behind Archimedes principle of buoyancy?
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B Elements capable of cooling without compression?
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I How does a magnetic field affect the aggregation of nonpolar molecules in water?
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B Understanding Perception: The Role of Our Senses in Interpreting Mass and Colors
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I Gauss's law of sphere using integral
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B Energy of Up & Down Quarks in Joules: What Are They?
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Understanding Metal's Lustre: Why Does Specular Reflection Occur?
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I Will Increasing Tension of a Two Loop Standing Wave Change its Frequency?
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B Accuracy of moon orbiting earth in how many days and hours
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I Drone Gun: A Revolutionary Weapon Against Rogue Drones
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I What is the General Form of a Wave Equation in a Medium?
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B Quiz Question -- What happens to the cork?
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I No Slip condition in an Inviscid Fluid
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I Spectrometer: bandpass and resolution
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B Equal Forces in Tug of War: Shared vs Separate Lines
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I Does chaos exist in circuits with linear elements?
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B Is Time Travel Feasible Within the Limits of Light and Atomic Interactions?
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I Given a fixed volume of pressurized air, calculate the flow rate
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B What is the reaction to gravity's pull in a vacuum?
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B Can any physical quantity be vectorless?
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B Countering the Movement of the Ocean & different size boats/ships
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B Mastering the Physics of Table Tennis: Understanding Forces and Flight Dynamics
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B What type of spectrum is a rainbow?
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I Why Is There No SI Unit For Information?
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I Order Maxima under the Fraunhofer Envelope
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A Understanding JFET Biased Junctions and Bandstructure for Exam Preparation
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B Einstein's Unified Field Theory - Details
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I Another 'Gravity Battery' Question
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B Claude Dechales anti-Copernican arguments question
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I Can a 63mm Bore Pneumatic Ram handle the required weight at an angled position?
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I Why is this balancing technique easier for some cultures than others?
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B How Do Missiles Reenter Earth's Atmosphere?
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I Possible to Store Energy in Ionized Gas?
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B Obtaining spectrum of Sodium from Sodium Vapour Lamp
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B Gravity and the Direction of Time
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B G-forces exposed during maximum perfomance Takeoff (Heli)
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I Fans with 3 blades vs. 6 blades (noise, efficiency)?
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B Ride a Supersonic Rocket: Can You Hear Your Friend?
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B Solve Feymann's Irreversible Machines Puzzle
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B Condensation & Clouds: Understanding Water's Transformation
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B You normally go through B and C when passing from A to D
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B What Is the Significance of the Constant c in Wave Equations?
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I The length of the visible horizon
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B Pocket size molecular spectrometer
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I What Causes Huge Raman Shifts in Water?
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I Optimizing homemade ice cream freezing with brine
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Online video lectures about principles of GPS?
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I Understanding the Venturi Effect
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B What property of a fluid determinates rising and sinking Velocities
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Why invariable plane is tilted to ecliptic plane?
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B Air movement in an exhaust systems
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I Energy perspective on deterministic intelligence
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I Transmission in Single Mode Waveguide
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I Understanding Measurement Uncertainty: Calculating Accuracy and Precision
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Physicists create 'negative mass'?
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B How do Neutrons and U235 Nuclei get out of the fuel rod
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I General question about how objects move nature (discrete or continuous?)
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I Is there no stable isotope of Tungsten?
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Halogen Lamp Spectrum 12V, 50W MR16: A vs B
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I Rocket equation: is there an optimal thrust?
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B Eco-Cooler: plausible? Or snake oil?
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B Basics of Transformers: Negative Signs in EMF Terms
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I Quaternions vs. Einstein's four-vectors
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I Is the following equation a wave?
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