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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 Best style of martial arts for self-defense?
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Looking for Einstein quotes re: extent of his knowledge
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Undergrad Atmospheric Flow: Meaning & Natural Examples
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MHB Interesting Result in Quantum Error Correcting Codes versus Relativistic Gravity
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Undergrad What is the physical meaning of divergence?
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Undergrad Significant Physical/Chemical Change Found by Sign Reversal?
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High School Is the Term Energy Field Misused in Physics?
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High School Why there is a difference between same components of 2 paral
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What Can We Expect from the LHC Tour in 2019 and Beyond?
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Undergrad Diagram of CO2 dip at 4.3 microns
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Graduate Is Time a Form of Information Transfer Between Particles?
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Undergrad Back to basics: bubbles in a syringe
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Graduate Oumuamua may be an alien lightsail?
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Graduate Question About SETI & Time Chauvinism
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Undergrad Japan's Science Counil Says 'No' to ILC
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All I (as a physicist) really Need to Know ....
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High School Energy from the Sun: Is it Dangerous?
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High School Under what conditions can glass crack spontaneously?
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High School What Is the First Dimension and Why Is It Considered Nothing?
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Graduate Can someone discuss the holographic principle and dimensions with me?
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No Ig® Nobel Prize in physics for 2018
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Undergrad Diffusion & Effusion: What Is It?
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What Are the Best Online Physics Learning Tools and Resources?
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High School Why did my coffee foam over when I added milk?
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Graduate Colloidal suspensions, Polymer solutions
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Undergrad Error propagation and standard deviation
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High School Hp/Kw required to move 1.5L/m of diesel fuel at 17.2 Bar?
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Photo Contest - P-H-Y-S-I-C-S F-O-R-U-M-S (11/24-11/30)
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Graduate Is the MRI Signal Highest When Protons Are Coherent or Dephasing?
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Undergrad Phasor Addition Explained - Wave Physics
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High School Find the Perfect 4 Point Probe Head Online - Expert Recommendations
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High School Can a Scalar Operate with a Vector Algebraically?
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Undergrad Problem with gravitation field perpendicular vector.
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Undergrad Can i create an air flow through a geometry?
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Insights What is the Spectral Paradox Discussed in PF Insights?
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High School How do you make neutral wire 'neutral'?
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High School Is the 'A Level Physics by Roger Muncaster' suitable for 2018/2019 Syllabus?
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High School The physical concepts in the double jump of the video games
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High School Pixel Size of TVs: OLED & LCD Explained
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Graduate Kinetic energy of Himalayan plate
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Undergrad Graph of wikipedia articles about physics
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Ghost Moons: Astronomers Confirm Unusual Find
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High School Waves in a medium versus waves in a vacuum (ie no medium)
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Undergrad Does a wave in a moving medium propagate ....
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Undergrad How can I calculate the energy of a body of mass?
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Undergrad Glass -- how to increase the surface area
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News There are no laws of physics theres only the landscape.
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High School Outrageous Facts by Academically Validated Physicists
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Undergrad Understanding what the complex cosine spectrum is showing
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A list named the"10 characteristic experiences of physics" does it exist?
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How many Planck lengths are there in a parsec?
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High School Gravity - Do atoms orbit humans ?
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High School What Exactly is Conceptual Physics?
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What Are Good Physics Books for Casual Reading?
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High School COM of Universe: Does it Mean Anything?
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What sparked your interest for physics?
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Stephen Hawking's Final Paper published
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2018 French Nobel Prize clip (what do you think)
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Insights Interview with Physics Mentor bhobba - Comments
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High School How Does a Cartoon Explain Potential Energy?
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Undergrad How do I convert mass units in physics?
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Undergrad Stripes in Kundt's tube experiment
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Undergrad A question about units in equation: Dimensional analysis
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Undergrad Why E=mc^2 is different from E=1/2 mv^2?
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Undergrad Is gravitational prospecting pseudoscience?
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News Who Will Win the 2018 Nobel Prize in Physics?
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Undergrad What purpose does the delta notation serve in this context?
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Graduate Can Quantum Physics Explain Paranormal Phenomena?
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Undergrad Why don't humans glow in the dark?
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Graduate Normalization of Radial Distribution Function
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Undergrad How Do Geometrical and Physical Symmetry Differ in Objects?
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Graduate What to do with a totally unclassifiable enigma?
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Graduate Question about Helmholtz resonance
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High School Vector multiplication and division
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High School Why longitudinal waves are waves?
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High School What is meant by "first order" and "second order"
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Graduate Eigenstates, Block equations, Regge-theories
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  • Poll Poll
Physics graduates: any vocational ed or engineering courses?
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High School Direction of Vectors: North vs Northeast
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Undergrad Millikan's Experiment: Observing Vibrating Oil Droplets
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Undergrad Was the recent ISS leak imminently dangerous?
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Graduate Physicists who do research on complex systems
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Undergrad How is Solder Made? Learn the Process & Its Benefits
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High School Do Can-and-String Phones Produce Clear Voices or a Tinny Sound?
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Undergrad Significant figures and uncertainty in measurements
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Undergrad What chemicals inside a hearing aid battery make it explode?
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High School Measuring Objects using Dissimilar Units
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High School Calculate, not measure the value of c
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High School Greatest Possible Uncertainty and Sig Figs
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High School History of Error Bars in Physics
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High School What Is the Harm in Using Finite dx in Calculus?
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High School How do we know our laws of physics are correct?
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Undergrad How to measure the surface area of an arbitrary 3D object
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Some Wonderful Talks on Feynman's 100th Birthday
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High School Condensate around rocket spin? Why?
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Creating a (synthetic) song from a zebra finch's muscle
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High School Is the Stairmaster a Valuable Exercise Tool Despite Physics Misconceptions?
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High School Why does mercury rise in a glass capillary tube despite its strong cohesion?
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High School Does it irk you when journalists don't do units properly?
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High School Is everything binary on macroscopic level
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