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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 Calculating Batteries to Power a PC - A Curious Question
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Undergrad Does cacao powder form another "state of matter"?
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Undergrad Do Both Carbon Atoms in Ethane Rotate During Conformation Changes?
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Graduate Real-Life Signals: Are They Infinitely Continuous & Differentiable?
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Do Quantum Theories Support the Existence of Extraterrestrial Life?
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Undergrad Deriving the Equation for Area of a Ring
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High School Molecule Size VS Occupied Volume of Gases
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News 2015 Nobel Prize in Physics announcement
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Graduate Are nodes on a string perfect nulls?
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High School Does Gravity Master Accurately Represent Real-Life Physics in Gaming?
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High School Cathode ray tube- thermionic emission
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Undergrad Surface Water Adsorption: How Does It Balance Forces?
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Graduate Cutting force (large astronomical body)
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Undergrad Any examples of disagreements leading to new knowledge?
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Graduate What we mean when we talk of foundations of physics?
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High School What is the Definition of Dimension in Mathematics?
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High School Can I replace 2.5A plug with 5A plug?
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Bohemian Gravity String Theory: Queen's Bohemian Rhapsody
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Undergrad Can someone help me to find some data?
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My new dosimeter from a nuclear plant
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High School Do Incandescent Bulbs Flicker at 100Hz or 50Hz?
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Undergrad What are some open problems in physics that undergraduates can tackle?
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High School The number of lines making equal angles with Co-ordinate axes is ?
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Graduate Understanding the physical meaning of multiplication, etc
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Undergrad How is the attraction of a small mass to a bigger mass
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High School Time and matter, is there a smallest unit?
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Undergrad Analyzing Data for Correlation for Academic Research
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Who are the top 10 Nobel Prize-winning physicists?
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Undergrad Is it possible for cavitation to occur in air?
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Undergrad How to find emission peak of emission spectrum
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Undergrad Transverse waves moving (a string)
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Undergrad Uncovering the Mystery of Mass: What is it?
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Undergrad Can a Metal Prince Rupert's Drop Have Similar Properties to Glass?
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High School What is the differences between vibration and oscillation
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Graduate Can We Predict Damping Coefficient of a String Using Mathematical Simulation?
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Undergrad Does this equation have the correct units of measurement?
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Undergrad Effect of noise cancelling audio equipment
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Undergrad The Nernst Equation- I apologize in advance for my ignorance
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Graduate How to find the density of states from IV plot.
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Undergrad Selecting Variables for Equation Building - Fastest Observed Velocity of Matter
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Graduate What instruments can measure electron density in the ionosphere?
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Undergrad Distance measurements with two cameras
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Undergrad Why c is divided while converting cgs into SI system?
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Undergrad Can a solid sympathetically resonate at a harmonic?
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Undergrad Why is one significant figure the norm in uncertainties?
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Graduate How Did Bubble Physics Inspire Research on Higher-Dimensional Bubbles?
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Undergrad Are a vector and its derivative perpendicular at all times?
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High School I heard a spin-top in a perfect vacuum would stay spinning
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Graduate 'If You Can't Explain It to Your Grandmother…'
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Undergrad Did Stephen Hawking Disprove His PhD Thesis?
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Non-Separable Couples: Bell's Theorem Unites
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Need help in replacing flame with something else, along with
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Undergrad Rad./sec. * kg*m^2 = kg*m^2/sec. Right?
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High School Help finding an article for my physics class.
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Undergrad Can two stationary masses repel each other through gravitational forces alone?
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Undergrad Starburst seen from points of light in night photographs
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Undergrad Is Physics the "Liberal Arts of Science?"
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High School Physical Interpretation of Integration
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Graduate Vibration Based Energy Harvesting
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Undergrad Mercury Vapor Lamp: Why 20-30 Minute Delay?
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High School Can You Really Grasp the Concept of the Fourth Dimension?
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High School Why are we allowed to cancel units?
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Undergrad Calculating straight-line distance between cities
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High School What would we percieve ions as in our eyes?
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Graduate Decay time of waves in a swimming pool
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Undergrad What is Stochastic Overflow? | Carl Sagan
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Graduate Melting Nickel Ball: Temperature & Radius Effects
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High School Is the Multiverse So Vast That Anything Can Happen?
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High School Place with all components of all formulas explained?
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Undergrad How inverse square law is derived from area of sphere
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High School What is time? How can we see it?
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High School Structures: dynamic, complexity, organisation
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Graduate Quantifying the complexity of a system
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Undergrad Can Soda Going Flat Affect Its Mass?
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Undergrad What does divergence tell us about vector fields?
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Undergrad Calculating 1/4 Earth Arc with Trig
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Graduate Phased directed energy beam emission
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Graduate Understanding Normal Modes and Standing Waves in Vibrating Systems
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High School What would happen if you went back in time and prevented you
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Insights Plus/minus What? How to Interpret Error Bars - Comments
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Why Was Galvani Placed on the Magnetism Branch of the 1932 Physics Map?
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High School Difference Between Shm & Oscillation
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Undergrad What Are the Odds of a Perfect Machine? Perpetual Motion Possibilities
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Undergrad Desired properties for a solar cell
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Undergrad Vector Calculus: Understanding Divergence & Curl
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Graduate Who is Jess Brewer and What is Her Fascinating Field of Study?
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High School Compressible fluid other than air.
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Undergrad What does "exist" mean to a physicist? somt
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High School What is the relationship between mass, density, and volume?
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Graduate Why Is My Calculation of Doppler Shift Different from the Standard Formula?
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High School Why Does Density Affect the Density of its Container?
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Undergrad Can a Perfect Vacuum be Created & Stretch Space? Answers Here!
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High School Is multiplication associative in physics?
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High School How close are we to producing a self-replicating machine
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Graduate What is the unit of force in SiC structural optimization?
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High School Can Magnets Be Used to Harness Gravity?
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High School What Can Parallax Error Tell Us About the Universe?
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Questions on keeping a house cool
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Undergrad Universal Limits: Are There Other Natural Boundaries?
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Undergrad Why do wet things stick together?
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