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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.
High School Rayleigh Waves: An Overview for Beginners
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Undergrad What is information?or how is information connected with change
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Who will be the next winner of the Physics Forums Quiz?
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If only I was born a couple hundred years earlier
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High School HelloI was wondering if someone can be as detailed as possible in
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Do you think the world needs more theoretical physicists?
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High School How does tourmaline produce negative ions ?
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Undergrad Are there any tips for interpreting word problems in physics?
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Day after tomorrow: Can an ice age occur overnight?
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Undergrad Physical meaning of imaginary numbers
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Undergrad Is the spike in arxiv.org traffic due to the news of superluminal neutrinos?
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High School Reproduction of the phenomenon with sand
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Who Will Win the 2011 Nobel Prize for Physics?
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Graduate Fixed Value of Constant of Life Universe: Explained
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Strange Sun-like Object Any Ideas?
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High School Understanding Δx: The Meaning and Importance of Uppercase Delta in Math
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Particles & Waves: A Photography Zine by Max
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High School The Typical diagram of a standing wave
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Undergrad What Hidden Meanings Should I Look For in Physics Problems?
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Graduate What Makes Bohmian Mechanics a Controversial Concept?
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Graduate What Are the Non-Mathematical Perspectives on Action at a Distance?
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High School Describing vectors in n dimensions
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Graduate Why is the kilogram standard mass changing?
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Is Faster Than Light Travel Possible?
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Graduate How Does Faster-Than-Light Travel Affect the Michelson-Morley Experiment?
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Scientists Break Speed of Light Limit
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Graduate I need a someone to explain something to me
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Graduate Uncertainties associated with the use of opacity meters (smoke meters)
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Undergrad Creating Micro-Bubbles for Aquaculture Research: Techniques and Considerations
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High School How do we calculate percent error without a theoretical value?
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High School How Can You Create a Unique Quantum Mechanics Science Fair Project?
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Graduate Waiting Time for Gravitation Paper Submission - Journals
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What is Your Personal Definition of Physics?
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Attention Educators Possible tool to engage students in Physics
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Can You Beat ArcanaNoir in the Physics Forums Chat Quiz in 10 Minutes?
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IRC, etc idle for all-night HW time?
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High School What is the difference between gas and vapour?
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High School Understanding Nanotechnology: Nanoblades & Nanosprings
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High School Why Is the Sky Blue?
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Graduate Are our theories or are observations more advanced?
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Undergrad Building a tester for solar cell efficiency
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Where Can I Find Free Peer Review Services for Research Papers?
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Graduate What Are the Most Important Feynman Diagrams in Particle Physics?
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Diamond Planet, a woman's new best friend
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Looking for Famous Quantum Physicist Quote on Soft Science
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Taking Notes in Physics: Finding the Right Notebook
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High School Designing new advanced physics course and I could use your help
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High School Why Does Toast with Butter Always Land Butter-Side Down?
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Undergrad Understanding the Purpose of Squaring in Equations: A Question in Physics
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High School Physics Presentation Ideas - Unique & Interesting Topics
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High School What Are Good Starter Books and Resources for Learning Basic Physics?
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Undergrad Error propagation when you take the inverse?
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High School Why is the kilogram the base unit of mass, instead of the gram?
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High School Difference between Liquefaction & Condensation
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Graduate How are the physical laws enforced?
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High School Should You Use Contests and Prizes to Motivate Kids to Learn Physics?
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High School What Other Fundamental Laws of Physics Exist Beyond Newton's?
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High School What is the reason for using aluminium foil to wrap the food items?
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Graduate Do chaotic systems point to a direction of time?
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Undergrad Can i understand gravity better?
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Where Can Scientists Discuss Physics Theories Online?
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Graduate Is air a viscous fluid or an ideal gas?
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Graduate Spatial Resolution calculation using wavelength (medical imaging)
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High School Discover Liquids that Light Up in a Magnetic Field | Non-Physicist's Guide
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High School How people measured time in the past ?
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Undergrad SI Units Lengths: Defined by Light Speed
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High School This is what these symbols mean in physics.
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Undergrad Calculating Density of Moist Air: Am I Doing it Right?
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High School Senior Project ideas and thesis help
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High School Why do colored freezy pops turn clear when left outside in the cold?
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High School What sparked my love for physics and science?
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Undergrad Thanks for your help!EPQ Ideas for Physics-Related Project
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Welcome to Junkyard Physics - Learn & Teach Here!
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High School What Causes Frozen Semi-Skimmed Milk to Change Color?
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High School Why do some materials appear darker when wet?
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High School Hurricanes and Windows: How to Prevent a Broken Window
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Graduate Dark Matter: Waste or Unknown Substance?
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Undergrad Mass in Physics: Inertial & Gravitational Mass
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Graduate River flow on a planet or large object.
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Graduate Is Source Code Film's Interpretation of Quantum Physics Flawed?
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High School Teen uses Fibonacci sequence to make solar energy breakthrough
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Undergrad Equation required to calculate exponential rate
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High School Longitudinal and transverse wave propagation
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High School NOT homework - where would I get an apprisal on a physics study
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Graduate Solve Integral of dp^2 | Lower Boundary Ps, Upper P0
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Graduate Is the Cometary Debris Theory of the Chicago Fire Pseudo-Science?
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Undergrad Raising a Sunken Vessel: Calculating Air & Water Flow
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High School Are Earthquakes Induced by Human Activity or Extraterrestrial Factors?
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High School How can we consider this one direction?
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Graduate Physicists DO have a sense of humor
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Undergrad Line integrals distance elements
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Graduate Understanding "Integrating Out": Examples and Explanations
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Graduate Is It Too Late to Learn General Relativity at 50?
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Undergrad Units Question: Avagadro's Constant
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Undergrad How Do You Find the Derivative in Physics?
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Graduate Einstein's Importance: Special & General Relativity
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High School Does Mass Have Volume? Photons Too?
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High School Understanding Waves: Is There Hope?
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Photo of Orion Nebula Taken 2 Weeks Ago
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Graduate Will the Theory of Everything Mark the End of Physics?
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