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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 What Are the Advantages of Single Stage Rockets Over Multi-Stage Rockets?
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Photo Contest - Magnet (12/3-12/9)
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High School Rice University gets Newtons 3rd Law wrong
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Graduate Physics PhDs ending up in academia in non-physics fields
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High School Is it always better to use multi stage rockets?
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Graduate I am a Physicist looking for some credible answers
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Insights Real Research in Unexpected Places - Backyards, Barns, Bayous - Comments
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Graduate What is the world's lowest vacuum pressure achieved?
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Undergrad Quick question about sponges and vacuums
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Undergrad As close as possible, without touching
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Undergrad Units of Amplitude & Frequency in Coding (n=0 to 52920)
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Are Professors' Quirky Classroom Comments Insightful or Just Funny?
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Graduate Analog Electrical Engineer Explores Physics & Astrophysics
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High School What Causes a Kick in Snooker?
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Graduate Problem with a convolution algorithm
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High School Could a traffic jam in 1 road spread across all roads?
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Undergrad Who first developed the Rossby number and how was it derived?
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High School Energy States: Solid, Liquid, Gas & More?
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Undergrad How Do Osmotic Membranes Function and Prevent Solute Leakage?
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News How Is Thouless Pronounced in the Context of the Nobel Prize Announcement?
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Undergrad How Does Gravity Affect Swimming?
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Undergrad Standing wave in cylindar vs cone
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High School How can we measure Fragmentation/ discontinuity ?
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Graduate Physics essays heavy in math, bad or hard?
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High School Average Value Uncertainty: How to Compute?
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High School Does the Earth's Mass Change Due to Biological Processes?
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High School Resonance of air between two loudspeakers
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High School Moving to a higher harmonic in a standing wave
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Undergrad Why Are There Only Three Basic Units in Physics?
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Undergrad Question about Stephen Hawkin's observations
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High School Vocabulary: What do you call spinning on the opposite axis?
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High School Can you achieve equal stereo-to-mono sound with a single track in Audacity?
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Undergrad Where to Buy Meta Materials for Scientific Research?
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High School Is distance continuous or "pixel" like?
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High School Density of air experiment, why it yields these answers?
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Looking for a high vacuum 8" conlfat, any suggestions?
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Graduate Concepts required to define a "system"?
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High School Locate and Eliminate Mosquitoes with Mosquito Radar
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High School Gravity & Wave Forms: Interactions Explained
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High School Energy Q&A: Is Electromagnetic Energy the Only Type?
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Undergrad Can viewing distance be used to measure eye strain?
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Graduate Physicists' knowledge of differential equations
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High School What is Energy? Join the Flame Challenge 2017 and Explain it to 11 Year Olds!
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Undergrad What is the standard unit of mass and why is it defined in terms of an artifact?
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Undergrad The Road to Reality by Roger Penrose
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Graduate Stellar Nucleosynthesis - From Inanimate to Alive
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Exploring the Universe: False Color Overlays of the Night Sky from Australia
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High School Is it true that objects cannot touch each other?
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Undergrad Is Artificial Gravity Created on the ISS Due to Tidal Locking?
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Undergrad Measuring advancing contact angle
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High School Why technology & science progress slow / slower than sci-fi?
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Undergrad Why Planck's Constant Has Dimensions and a Unit?
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Graduate Why Doesn't IV Flow Rate Increase Through a Constriction?
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High School Can Water Flow Slowly Enough to Evaporate Before Filling Up?
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High School What does the multiplication between two units mean?
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High School What is a homogeneous boundary condition?
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High School How to improve problem solving skills
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High School Why Does Mercury Enter Water in Andrews' CO2 Experiment?
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Walter Greiner: October 1935 - October 2016
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Undergrad Solve Physics Problems: Splitting Algebraic Equations | Step-by-Step Guide
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The Rubber Band Theory of Bow Strings
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Why does my netball go the wrong way?
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High School Calculate maximum safe volume for headphones
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Who has more prestige, a physicist or an engineer?
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Undergrad Understanding Fourier Transforms
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Undergrad How does a floor mat dissipate noise/vibration?
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High School Modal Analysis & Mode Shapes: Real-World Applications
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High School Is Scientific Theory Subject to Change Over Time?
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High School Publication Bias and Replication Crisis
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Undergrad "Rioting students determined to defy gravity"
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Undergrad Understanding Lyapunov Exponent: Why Do We Use an Exponential Function?
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Undergrad Why do some but not all derivatives have physical meaning?
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Graduate Relations between statistical physics and theoretical CS
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News Who was Deborah Jin and why is her passing a loss for physics?
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Undergrad How do I determine the proper ratio of CO2 and N for my tank?
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Who was the most important physicist to ever live?
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Graduate How can I make singular matrix become nonsingular matrix?
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Undergrad Invalidating a patent directed to physical laws
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Graduate What does it mean when we say something exists in physics?
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Undergrad Why does water care about the density of objects on top of it?
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So how many of us want to be like A. Einstein, I. Newton,etc
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High School How Can Math Help You Understand Gravity?
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Undergrad Why Is Gravity Always Attractive?
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Graduate What exactly is being shown on the blackboard here?
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Insights Fun with Self-Avoiding Walks - Comments
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Undergrad How to Fold Data Points to a Period
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Undergrad Is it true that physicists have their best ideas in 20s?
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Undergrad Can plotting corrected values help determine a more precise E_g?
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Undergrad Frequencies of standing waves in a straw
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Unknown device / Physics equipment. Please identifiy....
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Good Books on Physicists: Biographies of Famous Scientists
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Undergrad What happens to energy when it has nowhere to transfer?
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High School Digging Through the Earth: What Happens?
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Undergrad Pascal´s Principle in Compresssible Fluids
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Undergrad On liquid oscillation excitation
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Undergrad The influence of humidity when creating a vacuum
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Interesting Lecture by RP Feynman at Cornell
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High School Is there such a thing as non-mechanical transport
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High School Is the Large Hadron Collider large?
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High School Why do water waves not undergo a phase change when they hit a fixed wall?
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