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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 How Does Energy Transfer from Kinetic to Sound?
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Graduate How do I plot a function with frequency and energy using Mathematica?
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Graduate What Will the Next Paradigm Shift in Physics Look Like?
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Three suns in the sky Believe it or not
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Graduate Is the physics in Angels & Demons completely off the mark?
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Undergrad Transverse waves can propagate through a solid
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Graduate Time's arrow, or what universal property is asymmetric, anyway?
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Graduate Degenerate matter and temperture
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High School Wireless advantage and disadvantage
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Can you see the back of your head
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High School Store Solar Energy: Learn How to Charge Batteries with 20 2W Panels
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Graduate Illegitimate source that there is no such thing as a true vacuum
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Undergrad Does Gravity Affect Atmospheric Pressure on the Sunny Side of a Planet?
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Undergrad Uncertainty Numbers: Greater Than Ruler?
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High School Same # of Sig Figs for Cylinder/Wire Density?
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High School Different due to the mass of the object
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High School Is there Gravity inside the human body?
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High School Can an Ant Survive Walking on a Soap Bubble?
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High School Is the Earth's Atmosphere Ever Completely Pure?
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Is the Hubble Telescope in Need of Another Repair?
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What Should We Serve at a Physics Themed Dinner?
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Undergrad What is Autocorrelation Time & Covariance?
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Graduate What are the Newest Developments in Energy Storage Technology?
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Graduate Wilczek's Lightness and other indices
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High School Would a Human Burst in a Room-Sized Vacuum?
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High School Why does the earth and the sun and other planets have gravity?
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Who was Hugh Everett, my father, and what is the Many World's Theory?
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  • Poll Poll
Is It Possible for Physicists to Be Overweight?
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Undergrad Radient energy vs nonradient energy
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Graduate Explaining Physics: Tips & Real-World Applications
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Graduate What is the evidence for GR and against the graviton theory?
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High School How Do Significant Figures Affect Physics Calculations?
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Where Can I Find a Good Optics Discussion Forum?
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Undergrad What Does Constant Phase Difference Mean in Stationary Waves?
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New Yale Internet Physics resource
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Graduate Is there any need to introduce time as a parameter?
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Undergrad Describe FFT: Properties/Frequency Needed
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Undergrad Which UV Radiation Is Most Effective in Polymer Degradation?
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Austria To Leave CERN - Find Out More!
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What If Newton and Einstein Were Alive Today?
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Undergrad Internet access via transmission lines?
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High School Calculate what distance the sunset moves
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Graduate Optimal Approach for Analyzing Non-Smooth Experimental Data
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Undergrad Are ocean levels uniform across all bodies of water?
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High School Would an acidic atmosphere remove oxygen from the area it affected?
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Undergrad What Are the Physics Behind Drawing Up Medication in a Syringe?
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Graduate Can Grand Unification Truly Encompass All Physical Laws?
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Undergrad The Science of Sponges: Understanding their Function and Behavior
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Explaining Q3 After TED Link: 65 Characters
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Undergrad What does a self-resonant system mean?(e. g: a self-resonant coil )
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Undergrad Vortexes & Their Interaction: Answer Needed
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Graduate Create antigravity conditions on earth?
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High School Safety During Explosions: What to Do
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Graduate The first scientific proof of free will (based on Conway & Kochen)
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Graduate Cube Dissection by Elusive Cube: 176 Magnets, 14 Crystall Lattice Structures
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High School Linen sheet vs polyester blanket
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High School What freezes faster in an ice tray, cool or hot water?
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MasteringPhysics: A Controversial Tool for Homework in Physics
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Graduate Is the Standard Model of Physics Aligned with Bohm's or Bohr's Interpretation?
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Engineer -> Experimental Physicist -> Theoretical Physicist
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High School Researching Elements - How Many Are There?
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High School Understanding Gravitational Force: A Simple Explanation
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Stop the world, I'm getting dizzy
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Undergrad Is Anti-Gravity Possible and What Would it Mean for Space Travel?
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High School Is information destroyed when someone dies?
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High School Where Can I Buy Advanced Physics Experiment Kits?
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Graduate Bernard d'Espagnat Quote
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Graduate Do wave functions collapse instantly?
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High School Understanding the Mystery of Wind at the Beach
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High School Physics Project Experiment Ideas
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High School Compressed air explosing or fire
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High School Physics of Keeping Warm Vs. Keeping Cool
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Undergrad How Do You Derive and Define the Logistic Equation?
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Escape from totally closed empty room
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Undergrad Is Physics Nearing Its End or Just Beginning?
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Graduate Wave on string, c^2 = T/rho. Assume T proportional to rho => c^2 = constant.
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High School Comparing AM and FM Broadcasting: Research Ideas
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High School Why can I hear myself through my cellphone?
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Undergrad Is this how i would calculate the energy stored in an object on a wave?
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Graduate Einstein's Zurich Notebook: Actual Calculations & Theories
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High School Why Are Certain Physics Concepts So Challenging to Understand?
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Undergrad Properties of High Viscosity Liquids
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Undergrad Why does Physics have to be so hard?
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Undergrad To obtain a uniform alloy, cool quickly or slowly?
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Anyone know of a good experiment?
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Undergrad Theoretical vs. Experimental Physics
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High School What Are the Most Controversial Topics in Physics?
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Undergrad What else should I know about ozone emission from ionization experiments?
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High School Did Benjamin Franklin Really Discover Electrical Charge in 1747?
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Undergrad Is the Solar System Governed by a Compass Point Rule?
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High School Bubbles What are Bubbles exactly?
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Undergrad Secrecy of Science: Public Access vs. National Security
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Coming up with Concept questions
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Undergrad How Much Energy Can the NIF Laser Produce in One Shot?
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Graduate Particle Physics: Accuracy of Wikipedia Articles
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Greatest scientific contribution on Physics Forums?
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  • Poll Poll
Graduate Wilczek's and Smolin's books: performance in February
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High School Is Blogging About Physics as a Freshman at UNCG Effective for Learning?
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Undergrad Emerging enthusiasm for biodiesel
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High School Howard Johnson's permanent magnetic motor
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