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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 Can tiny gas bubbles cause discomfort in body cavities?
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High School Why is Fire Considered Conductive?
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Graduate Apliying PCA to two correlated stochastic processes
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Undergrad Looking for a cheap digital scale with accuracy <1 g
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Undergrad Why are the last two digits of the mass of an electron in parentheses?
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Great Domain of Science Video on Movie Sci Fi
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Graduate Why Is Mechanics So Difficult to Master?
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High School How does the ear distinguish multiple different pitches?
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Graduate Calculating decay rates for modes of a circular membrane
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Undergrad Designing Rehabilitation Equipment for an Upper Limb (arm)
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High School Expert Tips for Solving Physics Problems | Ace Your Finals in 6 Days!
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Graduate Free bar fundamental vibration relationship length to width
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Undergrad Predicting the decay time of a resonant bandpass filter
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High School What we mean in physics definition (quantity or property)?
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News Physics, What have you done lately?
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High School Question about the allassonic effect
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High School Can Height, Shadow Length, and a Photo Reveal a Person's Location?
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Undergrad How Does a Pressurized Tank Empty Over Time Through a Hole?
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Can you predict when Manhattanhenge will occur this year?
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High School Why does GPS require an accurate clock?
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Undergrad Burn Out & Boredom: How to Keep STEM Learning Fun
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Graduate Time Magazine: instantaneous communication via entanglement
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Undergrad Deterministic chaos in linear systems
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Undergrad What does peak intensity mean in qualitative XRD?
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High School Examples of discoveries without a hypothesis?
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Undergrad Is it possible to have a breathable atmosphere at 6 atm
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Undergrad Need a practical example of E=mc^2 with real numbers
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Undergrad What is the most efficient radiator shape?
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News Did Homer Neal's Contributions to Physics and Education Leave a Lasting Legacy?
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High School Why Do We Lose Cell Phone Connection Outdoors Without Buildings or Cars Nearby?
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High School Who drew the first model of the atom?
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High School Is Learning Existing Knowledge Essential Before Developing New Theories?
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Undergrad A model of what makes up the physical world
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Will you be attending the AAPT Summer Meeting 2018?
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News RIP David Pines: Physics Giant Who Could Have Won Nobel Prize
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Undergrad Experiment Ideas using an MRI scanner?
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Daily challenges confronting physicists
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Graduate Why does a guitar string "beat" as if it is out of phase?
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High School A couple of links about, not from science
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Undergrad Musings on waves - possible or already realised?
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High School What does coefficient of increase of physical quantity mean?
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Undergrad How Can Muscle Strain Be Measured?
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High School Royal Society revives a strange old document
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News Prof. E. C. G. Sudarshan is no more
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Undergrad Who's moving towards whom in Doppler effect situations?
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High School Can time travel affect cell phone communication?
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100th anniversary of Feynman's birth
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Undergrad Analysis of Ultrasonic Waves at a point
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Graduate What would AI *want to do*, according to physics?
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Graduate Help with Remote Sensing Finals: Spatial Res., Radiometric Res., Resampling
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Graduate Recently, I want to write something about data in physics
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Undergrad What Is the Equation Relating Wind Erosivity to Velocity and Air Density Called?
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Undergrad Calculate measurement uncertainty? I made one measurement....
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High School Is There Truly an Inside and Outside?
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High School Running on Ice: My High School Story
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I "met" a physics Nobel Prize winner yesterday
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Excerpts from Letters by Dyson about Feynman
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Undergrad How does the equation for experimental uncertainty work?
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Undergrad What would be a useful application for 10 Thz nano-antennas?
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High School Why do microcontrollers fail in a Vacuum?
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Graduate What Is a Fourier Series?
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High School Why does bonding occur between atoms?
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Graduate How were you exposed to probability theory in physics?
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High School Why Does Closing My Door Increase the Breeze in My Room?
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High School Why Is Tornado Alley a Hotspot for Twisters?
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Undergrad Clarification for a standing wave on a string equation
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Undergrad Physically relevant: fractals, phi?
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Undergrad Quiz question: Who Dies If 'E' Pushes The Stone?
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Undergrad What is the thickness of the atmosphere?
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Undergrad Proof of a law versus proof of a theorem
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Undergrad Identifying & Accounting for Systematic Error in Scales with 1mg Capacity
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Undergrad How many ion-pairs are there in normal conditions in the air?
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High School Can Digital Radios Tune Without Moving Parts?
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High School Showing/proving a physical relationship
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Undergrad What is the difference between transverse and plane waves?
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Undergrad Aesthetically pleasing formulae involving time?
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Graduate "Humpty-Dumpty" particle (Eggeron) discovered at CERN on April 1st, 2018
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Undergrad Adhesive Forces: Bigger vs. Smaller Straws
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High School The Wave Equation and Traveling Waves
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Undergrad Aviation safety plane crash question/idea
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High School Why Are Sounds Louder at Night Compared to Daytime?
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Undergrad Linear fitting in physics experiments with errors
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High School Fundamental Constants: How Do We Know They're Constant?
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Undergrad Error of a measurements taken with a multimeter
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High School Converting Units (Medical Application)
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High School Can you prove anything using the Scientific Method?
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High School How Do You Properly Calculate Uncertainty in Measurements?
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News What are the best educational trips for first-year physics students in Europe?
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Undergrad Can energy exist by itself (without time and matter)?
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Compare and contrast Bohr and Feynman?
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Undergrad What does this n(MAX)j=1 part mean?
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Where will Hawking stand in the future?
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High School Do Electrons Get Excited and De-Excited Equally in Colored Compounds?
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High School Does anyone know how to measure the color of a Post-It note?
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Insights Interview with Theoretical Physicist Clifford Johnson - Comments
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High School Difference between Gravitational Force and Gravity?
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Insights Think you know Richard Feynman? - comments
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Undergrad Which physics branch contributed more to modern civilization
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Undergrad Equation for Fire Evolution Dynamics
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High School ACT Graph: Understanding Data Points & Atmospheric Layers
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