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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 How is Taylor expansion used in physics?
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Can Brooms Really Stand by Themselves?
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Graduate Does an observation now create the past?
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Photo Contest - Quantum Physics (4/14-4/20)
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Graduate God Equation: Is It Real? What Does it Mean?
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Undergrad Forced Vibration: Can Objects Adjust Shape?
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Physics professor beats $400 ticket using physics
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Undergrad A book trying to answer what life is from a physical perspective
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Graduate Is a PhD in Physics Still a Viable Career Choice for an Engineer?
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Graduate Confused about autocorrelation and PSD
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Undergrad Why are Some Constants Dimensionless?
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Undergrad Capillary Action and Paper Towel Physics
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Graduate Ellipsometric data analysis software?
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Undergrad Relative Density of metal powder
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Undergrad Can anyone define anti-matter in concrete terms?
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Undergrad Physicist claims victory over traffic ticket with physics paper
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Graduate Are Einsteins field equations too complicated?
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Undergrad Uncertainty Propagation for the Slope of a Line of Best Fit
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High School Why Can't We Hear: Sound Traveling in Solids
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Graduate Where Does Light from a Burning Stick Come From?
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High School Theory of Energy Output: An Overview
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Undergrad Propagation of uncertainties with calculus
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Undergrad Soot Mystery: Uncovering the Puzzling Phenomenon in a Wood-Burning Stove Room
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Graduate Can You Conduct Quantum Mechanics and Particle Physics Experiments at Home?
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High School Which is denser: a rhino or a rock?
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High School Interesting topics about physics for teens?
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High School Guitar feedback INFINITE sustain? Does it really have an infinite sustain?
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Undergrad What are the properties of transverse waves?
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TOP 10 PHYSICISTS ALIVE (theoretical and experimental)
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Undergrad How Did Mighty Atom's Hair Defy Physics?
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High School I dont understand how to calculate percentage uncertainty?
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APS April Meeting: Attendees & Highlights
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Graduate Differential form of distances and some other doubts
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High School Cutting metal pipe to make different pitches
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Undergrad Bragg's Law: Find Equation 2dsinθ=nλ
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Graduate Nernst effect and statistical physics
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Undergrad Historical misunderstandings and the names of physics phenomena
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High School Unity means just plain regular 1 ?
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High School How long does an explosion's boom last?
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Who are some inspiring physicists and recommended books for beginners?
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Seeing Is Believing: Is It Possible?
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Graduate Thought experiment: Rising bubble in rigid container
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Undergrad Is a perfect vacuum truly achievable in reality?
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Undergrad Geo Stationary Orbit: 83.0°E Satellite Location
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Was a Distinguished Physics Professor Framed in Argentina Drug Bust?
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High School Why is asking 'why' in physics frowned upon?
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Name of this instrument? similar to vernier calliper
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High School How Do You Write a Physics Formula?
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Tilting a Salt Shaker - How Does it Not Tip Over?
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What would you do for science with 100 billions dollars?
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Why would glass shatter spontaneously?
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Undergrad What is the role of complex numbers in physics?
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High School Mysterious Glass Shatter: What Caused It?
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High School How to round off percentage uncertainties?
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Can I become a physicist without good grades?
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High School How does one break a glass bottle and have smooth edges
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Undergrad A newcomer to physics could use a little help?
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High School Solving E=mc^2: What Units to Use?
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High School How do I find the minumum/maximum acceptable slope?
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I need an idea for a science experiment
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Felix Baumgartner high altitude skydive
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High School Confused about using rounding off numbers in physics
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Undergrad I'm having trouble understanding exactly what energy is.
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Undergrad How to distinguish left vs right
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  • Poll Poll
The greatest greatest physicist poll poll.
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High School I have just started into to physics I am no good at math what so
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Who according to you is the greatest physicist of all times?
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Choose Your Physics-Inspired DJ Name!
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Graduate Are physicists more sensory than laypeople?
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Undergrad Is division by zero a logical error in this proof?
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Breccia meteorite smashed into summer house in the middle of Oslo
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Undergrad A perpetual machine model that sets me thinking
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Graduate Detection of Earth's radio broadcasts at interstellar distances
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High School Accuracy, Precision and Sensitivity for measurement instruments
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Undergrad How does Nyquist's theory apply to digital recording of opera music?
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Graduate Modeling a Pan Flute: Questions on Bore Diameter & Length for Perfect Pitch
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Discovering Astrophysics: A Freshman's Perspective on Michio Kaku
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Graduate Statements about TOEs, Theory of TOEs
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Undergrad How to mass an object that is less dense than air?
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Undergrad Coronal Mass Ejection = Buzzing Coaxial Outlet?
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Graduate How Does a Clock Measure Time?
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Undergrad What are some recommended intuitive physics books for self-study?
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High School Why are ice cubes grey in the middle?
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High School What's wrong with this wind turbine concept?
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Undergrad Why do we use Radian measurement for Time?
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High School Recommend some great physics books?
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Undergrad Is Michelson Describing Earth Tides or Ocean Tides?
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High School Understanding the Gravitational Constant Formula | Jamie
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What has been the greatest discovery in physics in the last 25 years?
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Undergrad Understand Complex Numbers: Learn How They Make Life Simpler
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Undergrad Try to make a vapor fuel supply system
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Undergrad Solving DFT of f(n*t) vs t Data Array in C
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Picture of the 2 lines on a platinum iridium bar
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Could CDs (Compact Disc) cause fire if I hang them outside the windows?
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Undergrad A question about significant digits of digits in parentheses at the end
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Undergrad Don't understand the taylor expansion?
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Graduate Measuring Chaos: Is There a Parameter for Chaotic-ness?
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Undergrad Signal integration over ns time period
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Undergrad Geometry, logic and sun angles: help
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Graduate What is the current understanding of matter and its origins?
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