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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 Creating a Silent Dartboard: Physics & Solutions
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Undergrad Spherical Coordinates: Understanding Theta Equation
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Undergrad What distinguishes plane waves from wave packets in physics?
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Uncovering the Mystery of Deeper Footprints in the Sand: East vs. West
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Undergrad Why Are Detectors for Molecular Vibration Frequencies Less Common?
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Graduate Is Everything in Our Universe Absolute or Relative?
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Undergrad Complex Conjugation in the Continuous Time
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Graduate Why topological invariants instead of topological invariances?
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New to the Forum & Need Paper Subject Suggestions
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Undergrad Why Does the Continuous Emission Spectrum Depend Only on Temperature?
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Graduate Can Quantum Particles Differentiate Between Parallel Universes?
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Graduate E^(i[itex]\omega[/itex]t) question
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Graduate What is the Difference Between ∫X.dY and ∫Y.dX in Physical Applications?
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Undergrad Using energy to scrub the atmosphere of greenhouse gases
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Graduate What Are the Unsolved Problems in Physics and Math That Could Impact Society?
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What Is the Newest Generation of Solar Cells?
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Undergrad Is hv/kt Dimensionless in Planck's Radiation Law?
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High School Where Can I Find Texas Tower Data for Physics Experiments?
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Undergrad What is Triboluminescence and How Does it Work?
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Run so fast that you'd run over your back?
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Graduate Gibbs phenomenon and ringing in square waves: causality?
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Graduate How Did Gordon Grant Combine Music and Fly Fishing in His Innovative Rod Design?
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Undergrad Infinity -just maths or any physical existence?
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Undergrad Question on the error of the estimated mean.
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Undergrad Decoding the Definition of Physics Codes
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Graduate Cavitation detection in machinery
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High School Is physics the right major for me?
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Undergrad Mass can turn into Energy, or is it Matter which can turn into energy?
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Undergrad What is the point of Fourier Series and what is it used for?
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High School Why is Energy a Scalar? A Simple Explanation
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High School Cool Beer in 45 Seconds - Reverse Microwave
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High School Why do blue and yellow pigments create green when mixed?
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Undergrad Dimensions and Dimensional analysis question
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High School How do I record the occurrence of waves?
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Should I Do Physics At University?
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High School Public Speaking Tips for Yo-Yo Physics
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Graduate Fourier Transform - how to increment in time?
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High School Why is equal sign used in physics?
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Undergrad Why Are Standards Definitions So Complicated?
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Hi there, just registered and desperate to learn physics/mathematics
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Graduate Are Gaming Consoles Solving PDEs for Realistic Animations?
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What does living in exponential times mean?
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Graduate How Does Sinc Convolution Prepare an Image for Nearest Neighbor Downscaling?
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Graduate Understanding Normal Modes of Objects - Linear vs Non-Linear Particles
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Undergrad Bubbles Escaping from Submerged Container
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Undergrad What Is the Difference Between Intensity and Density?
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Undergrad Why Is Vector Notation Essential in Cross Product Calculations?
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How many atoms thick is a sheet of paper?
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Graduate What is the rate of change of amplitude for standing waves with respect to x?
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Graduate What is "% fs" Meaning in AFM Oscillation?
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Undergrad How Can I Measure Dosage of Ferromagnetic Powder in Kerosene?
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MHB Product Warning Labels: Handle with Extreme Care!
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High School Understanding Spectrum: Types and Interactions with Matter
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Recommendations for a Book on the History of Physics
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Graduate Researching Negative Energy: Where to Start?
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High School Who Won the 2013 Nobel Prize in Physics and Why Not Others?
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Undergrad Is Detonation a Physical or Chemical Reaction?
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Undergrad Can someone with a helmholtz calculation equation.
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Graduate How do we calculate gravitational force when an object is inside a shell?
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High School Primitive methods to make simple geometrical solids
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High School What is the concept of mass conservation and its implications for human life?
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Graduate Can something exist without us ever being able to detect it ?
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Graduate Sealing a 6 torr closed system vacuum
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High School Visualizing Angle of 40 Degrees on Bathroom Scale
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Wanted High density Liquid For suspension of Solids
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Undergrad What would happen if five modern nuclear bombs detonated over a town?
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What Would Make a Fun and Useful Physics App?
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Graduate The birth of statistical mechanics
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Graduate Derivative discretization with fixed boundary condition
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Graduate Calculating Error of w from Errors in x,y,z
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Undergrad A few questions about wave interactions (conceptual, not technical)
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Undergrad How Does Error Propagation Affect Calculations in Physics?
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High School Why are even numbered problems excluded from textbook answer keys?
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High School Test My Idea: Create a Small Ionosphere with Electricity & Nickle
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High School Universal Gravitation Constant - HELP
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Can You Get Electrocuted in the Shower During a Thunderstorm?
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Graduate Can't be described as one or many?
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Einstein vs Newton: Who is the Superior Physicist?
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High School Will a Vacuum-Formed Elastic Sheet Create a Parabolic Shape?
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Undergrad Can moisture be repel or attract using forces?
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High School Percent uncertainty for noobs (like me)
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Graduate How To Incorporate Sensor Uncertainties With Multiple Measurements?
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Undergrad How do famous physicists create their formulas?
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Undergrad What are the Physics Behind Common and Uncommon Natural Phenomena?
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High School Tossing Coins: Can We Predict the Outcome?
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New Chinese University Student Seeks to Learn About Physics
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Graduate How to Propagate Errors Across Models?
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Graduate When is it ok to exclude data for a model to fit better?
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Undergrad Equal flow distribution to 3x3 grid
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How unrealistic are super powers?
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Undergrad Forced Vibration: Amplitude Of Vibration Changes Periodically?
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Undergrad Confused how to use calculus in physics
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Undergrad Prof. Walter Lewin Explains "That's that rho of s
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Graduate Questions about the physics of the trumpet
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Why we always say that time is forward?
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High School Archimedes' Weapon: Focussing Mirror Melts Car in London
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High School Is It Risky to Use Mobile Phones in Lightning?
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High School Possible webpage title: What is the Definition of Wavelength in Physics?
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How much water is needed to float a ship
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High School How do you know if someone far away is walking towards you or away
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