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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.
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Insights How to Avoid Breaking Physics With Your “What If” Question
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14K
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List of credible physics journals
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5
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19K
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Insights How to Better Define Information in Physics - Comments
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9
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7K
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Physics FAQs: All Your Questions Answered
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0
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16K
High School Does acceleration affect impact energy vs constant velocity?
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18
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923
High School Is this a coincidence?... (distances between planets)
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7
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1K
Undergrad Mechanism of Energy Conservation in Zero-Amplitude Sum of EM Waveforms
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21
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1K
Undergrad An Imagined Diffraction Grating
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7
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594
Insights Thinking Outside The Box Versus Knowing What’s In The Box
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26
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7K
Graduate Monte Carlo simulation for the classical isotropic 3D Heisenberg model
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1
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4K
Graduate Problem while simulating spin polarized interacting SSH model
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1
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1K
High School Mass & energy increments a la e = mc^2
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9
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553
High School Gravitational effects of a small black hole passing your body
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1
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531
High School Analog power supply output question
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2
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52
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2K
Graduate Screwy AAA Battery
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7
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481
Undergrad Question about the absorption of heat based on color
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4
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2K
High School Opposite law propose
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2
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654
High School Why would an atmosphere without greenhouse gasses be colder than with them?
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2
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33
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2K
Undergrad Why is the speed of light the same everywhere in the Universe?
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3
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64
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11K
High School Is space stretching or is new space being created?
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2
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47
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4K
High School How do walk-in freezers not give people hypothermia? [they do]
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13
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2K
Undergrad Ramjet effect on drone
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15
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803
High School Generator shaft rotation through spring and magnet (Is this feasible in Physics?)
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13
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3K
Undergrad Bilateral and unilateral constraints
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1
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378
High School Fusion breakthrough using 3-D magnetic coils
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1
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622
Undergrad Linear generator prototype
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22
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1K
High School Is Gravity an entropic property like Surface Tension
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2
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439
High School Is there a white hole inside every black hole?
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22
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679
Undergrad Are There Two Suns? Exploring the Phenomenon of Sun Dogs
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4
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563
High School Need help understanding particle physics and quantum physics
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15
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899
Undergrad Raman Spectroscopy help
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1
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419
High School Does a Probabilistic Multiverse Invalidate the Value of Scientific Inquiry?
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2
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473
High School Why Does Titan Have an Atmosphere While Other Large Moons Don't?
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16
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844
Undergrad The Physics of unloading sand from a barge
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16
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790
High School Why can't Solar panels be hemispherical, or a curved strip type?
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2
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38
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3K
High School A Time Crystal Visible to the Human Eye
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5
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470
Undergrad I need to simulate clothing meshes for hanging garments
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3
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535
Undergrad How can quantum physics contribute to medical physics?
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1
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496
High School Conservation of kinetic energy in expanding space
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25
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839
High School Warp drive research of Prof David Pares
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3
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2K
High School Development of computer chips cooling
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4
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1K
High School Energy production that converts Hydrogen to Iron?
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4
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105
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10K
Undergrad "Best" software for emotor simulation?
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2
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1K
Graduate Bending Salt Crystals (xray monochromator)
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0
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1K
High School What Factors Influence the Survival and Growth of Accreting Bodies in Space?
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10
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2K
Undergrad 'Set of pearls' mathematics / physics help
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8
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3K
Undergrad Why are we looking for a graviton?
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16
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1K
High School Trying to understand orbiting objects in space
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8
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3K
Undergrad Why wouldn't two inductors provide a lag of 180 degrees?
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7
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2K
Undergrad Meaning of average pressure in statistical mechanics
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1
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1K
High School Why do objects break? (in the case of a body at rest on a surface)
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2
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2K
Undergrad Solving for Orbital Mechanics
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2
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1K
Undergrad Electric field in two dimensions in an electromagnetic wave
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2
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1K
High School Easier to pedal with physics
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18
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2K
High School Help with refraction of light
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9
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1K
High School Can conservation laws take time to obey?
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1
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1K
High School MIRV vs very high-yield bomb effectiveness
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12
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3K
Undergrad How can magnetic fields contain energy?
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17
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2K
Undergrad Units analysis for this phase shift problem using a differential equation
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3
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2K
Undergrad Fresnel Zone Equation Problem
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8
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2K
Undergrad Do curl/time dependent Maxwell's equations imply divergence equations?
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6
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2K
Undergrad What can be used as a Frequency generator to make Chladni patterns?
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3
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1K
High School Rubber band force-extension graph
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6
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2K
High School How much rubidium-88 is there in nature?
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2
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38
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4K
High School Generating Electricity in E bike under seat (No pedal)
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12
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2K
Undergrad How Can I Build a DIY High Vacuum System Using Copper Instead of Glass?
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5
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3K
High School Looking for info on old, unlabeled Geissler tubes
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16
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3K
High School Can all the laws of nature always can be written in simple single equations alone?
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17
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Undergrad Landau golden list
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2
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2K
Graduate Why does the principle of stationary action work?
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3
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2K
High School How would light work on a mirror very far away?
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11
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2K
Undergrad Why not use dichroic filters in modern solid state cameras?
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4
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Undergrad Using primary color light filters
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20
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2K
High School Interference in Thin Films
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14
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Graduate Trying to understand the meaning of "Sum Rules"
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6
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2K
Undergrad The "problem" of Induction and conservation laws
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2
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2K
High School Analogue Black Holes: Disposal?
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2
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2K
High School Could you build a container to isolate cosmic radiation?
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5
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2K
Undergrad How did the theory of quantum gravity begin?
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16
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3K
High School Is time travel... travelling from one 3 dimensional space time to another 3 dimensional space time?
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14
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3K
Undergrad What affects light near black holes and stars?
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2
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1K
Graduate A question about Vanadium dioxide smart window heating
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1
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2K
Undergrad Cloud seeding and firefighting
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11
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2K
High School Can I have $5 Million for my Knowledge
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1
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High School Is mathematics incapable of describing physics in its entirety?
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21
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What is fine tuning in physics/science?
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10
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Undergrad Questions About Reciprocal Lattice Edge Length
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1
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2K
High School What's the fastest the temperature of something can change?
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14
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High School Concrete formwork pressure
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4
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2K
Can 3D Holograms Be Created by Exciting Nitrogen Molecules in Air?
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3
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High School Explanations about Kardashev type 1 civilizations
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7
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3K
Undergrad AI Predicting Physics Research Results
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1
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2K
Undergrad Airflow through an air extraction grill
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3
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2K
High School How do I keep my room cool when my housemate wants the heating on?
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15
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3K
High School Liquid Flow Calculation out of a pressurized tank
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3
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4K
Undergrad Phase Transition in a Pure Water System
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7
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2K
High School "Accelerations" as higher order derivatives
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22
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3K
Undergrad Should the Unit of Momentum Be Named After Emmy Noether?
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2
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34
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3K
Undergrad CP violation, Tunnelling effect, and Cherenkov radiation
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18
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2K
Undergrad Does the use of microwave communication heat water particles?
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18
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3K
Undergrad Universal Gravity without Shell Theorem
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13
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2K
Graduate Frequency Domain and pixel size
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1
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2K
Undergrad Volume of momentum space of an ideal gas
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8
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2K
Undergrad Besides magnetic monopoles, what else doesn’t exist?
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12
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2K