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.
Threads
Is This Year's Physics Nobel on Advances in AI Physics?
- bhobba
- · Replies 2 ·
Graduate A rotating frame equation for the "carousel experiment"
- Simon F
- · Replies 26 ·
High School Quantum field theory vs. super string theory?
- BadgerBadger92
- · Replies 4 ·
High School Cold fusion
- Josiah
- · Replies 5 ·
Undergrad Chua's oscillator circuit -- Intuitive picture
- Swamp Thing
- · Replies 47 ·
High School Is it possible for matter to be completely destroyed to nothingness
- TheAquascaper
- · Replies 3 ·
Graduate Interference with slits of different width
- weirdoguy
- · Replies 3 ·
Graduate What researchers think of the Coriolis force
- Simon F
- · Replies 5 ·
Undergrad Solid State Physics and Chameleon Color Changes
- Shahzad Raza
- · Replies 1 ·
Undergrad New EM spectrum designation between UV and X-rays
- nightvidcole
- · Replies 5 ·
High School Buoyancy and gravity
- TheOldDog
- · Replies 32 ·
Graduate Geometry of Bluetooth Field
- Twodogs
- · Replies 10 ·
Undergrad Difficulties in Measuring the Contact Angle of a Sessile Droplet
- andrewlee123
- · Replies 5 ·
Insights Thinking Outside The Box Versus Knowing What’s In The Box
- Greg Bernhardt
- · Replies 36 ·
High School A question about leverage and stability of shelf support
- confusedlabs
- · Replies 9 ·
Undergrad What are the speed limits of a maglev track?
- amorphos_b
- · Replies 5 ·
Undergrad What causes knots and stress when untwisting ropes?
- Aurelius120
- · Replies 8 ·
High School What is "motion theory?"
- Vectronix
- · Replies 3 ·
Graduate RIP Chen Ning Yang (1922-2025)
- robphy
- · Replies 7 ·
Undergrad Why Does Snow Pack Better Near the Melting Point?
- Charles Link
- · Replies 170 ·
Undergrad Should the Unit of Momentum Be Named After Emmy Noether?
- Vanadium 50
- · Replies 36 ·
High School Is there anything in the Universe that is not fundamentally made up of matter?
- Amazed
- · Replies 87 ·
Question about what is in the Universe
- Amazed
- · Replies 15 ·
Undergrad Questions about bubble behaviour
- Chiefly
- · Replies 9 ·
Undergrad Spectrometer of James Webb Space Telescope
- Julian_M
- · Replies 9 ·
High School Individual photons or electrons on a screen?
- johnthekid
- · Replies 17 ·
High School Mechanism behind the generation of tiny bright spots
- johnthekid
- · Replies 17 ·
Undergrad Why is SI taught in US university physics courses instead of cgs?
- bluepilotg-2_07
- · Replies 22 ·
Undergrad A high school physics problem demonstrating relative motion
- wrobel
- · Replies 6 ·
Graduate Unsolved Problems in Near Surface Geophysics
- AryaKimiaghalam
- · Replies 4 ·
Graduate Looking for learning resources for Clifford Algebra
- JonnyBadFox
- · Replies 1 ·
High School Audio frequency of a humidifier
- DaveC426913
- · Replies 12 ·
Graduate Variations on Sacharov's problem
- wrobel
- · Replies 6 ·
New person here, where do I post my own personal hypothesis?
- Legodudelol9a
- · Replies 15 ·
Graduate Predictions for the Nobel Prize in Physics 2025 (results: John Clarke, Michel H. Devoret and John M. Martinis)
- pines-demon
- · Replies 37 ·
Graduate RIP Daniel Kleppner (1932-2025)
- robphy
- · Replies 4 ·
Best physics magazines?
- BadgerBadger92
- · Replies 1 ·
Einstein vs Newton - Who is your favorite and why?
- BadgerBadger92
- · Replies 28 ·
Graduate To get rid of a singularity in the Lagrange equations
- wrobel
- · Replies 11 ·
News RIP Kenneth Nordtvedt
- Jonathan Scott
- · Replies 1 ·
Graduate APS's 2026 W.K.H. Panofsky Prize!
- Astronuc
- · Replies 1 ·
High School Opposite law propose
- Bendimac16
- · Replies 2 ·
High School How do walk-in freezers not give people hypothermia? [they do]
- SpeedOfLightYagami
- · Replies 13 ·
High School States of matter: "viscoelastic fluid", familiar term is "cream"
- symbolipoint
- · Replies 5 ·
Graduate RIP John Stachel (1928-2025)
- robphy
- · Replies 2 ·
Graduate Could the Laws of Physics Be Proportional to Entropy?
- pasulya
- · Replies 5 ·
Graduate Complexity Physics and Tipping Points in Chess
- jedishrfu
- · Replies 22 ·
Graduate RIP Mary Gaillard (1939-2025)
- robphy
- · Replies 3 ·
Graduate RIP George F. Smoot III (1945-2025)
- robphy
- · Replies 1 ·
Undergrad Raman Spectroscopy help
- labgirl
- · Replies 1 ·
A Big Thank You to Physics Forums
- I_Try_Math
- · Replies 1 ·
James Hartle RIP: Remembering a Beloved GR Teacher
- George Jones
- · Replies 5 ·
High School Why can't Solar panels be hemispherical, or a curved strip type?
- Aashna4M
- · Replies 38 ·
Graduate RIP Rainer Weiss (1932-2025)
- robphy
- · Replies 1 ·
Graduate How do people explore new ideas in physics?
- adam_snyder
- · Replies 52 ·
Undergrad I need to simulate clothing meshes for hanging garments
- AI_Messiah
- · Replies 3 ·
High School Gravity in science fiction movies
- wrobel
- · Replies 16 ·
Graduate RIP Jayant Narlikar (1938-2025)
- robphy
- · Replies 1 ·
Graduate AI vs. German Physics Olympiad
- Hornbein
- · Replies 5 ·
Undergrad Physics inserted in society
- montanha18_
- · Replies 5 ·
Seeking Interested Physicists
- LShorey
- · Replies 2 ·
R.I.P. Sir Francis Graham-Smith 1923- 2025
- pinball1970
- · Replies 1 ·
Graduate Speculative theory
- parth
- · Replies 2 ·
Dr. Eddie Boyes' Youtube videos on Quantum Entanglement
- FreeThinking
- · Replies 3 ·
High School Development of computer chips cooling
- mitro
- · Replies 4 ·
Graduate RIP Edwin F Taylor (1931-2025)
- robphy
- · Replies 3 ·
Graduate Using AI to evaluate white papers?
- frankinstien
- · Replies 42 ·
Graduate Publishing Physics Without Institution: Any Tips?
- axiom
- · Replies 40 ·
Undergrad Why weather apps show absolute pressure?
- pines-demon
- · Replies 18 ·
Undergrad 'Set of pearls' mathematics / physics help
- lostsoul13
- · Replies 8 ·
Graduate Thought Experiment: "A Glimpse into Infinity"
- Anti10188
- · Replies 1 ·
Drake Equation/Fermi Paradox vs. Hubble/JWST
- Bystander
- · Replies 4 ·
High School Name or Label for the outermost point of a rotating object
- Blizzardchris
- · Replies 3 ·
News Gerard't Hooft Interview
- jedishrfu
- · Replies 6 ·
Undergrad What can be used as a Frequency generator to make Chladni patterns?
- gavinthoms
- · Replies 3 ·
Undergrad How Can I Build a DIY High Vacuum System Using Copper Instead of Glass?
- Ludek
- · Replies 5 ·
High School Looking for info on old, unlabeled Geissler tubes
- ADrake
- · Replies 16 ·
Undergrad Landau golden list
- martinbn
- · Replies 2 ·
Graduate Veritasium Videos we all want (maybe)
- TensorCalculus
- · Replies 4 ·
Graduate RIP Basil Hiley (1935–2025)
- pines-demon
- · Replies 3 ·
High School The satellite and its work done
- HLAung
- · Replies 2 ·
Undergrad The work done by an artificial satellite
- HLAung
- · Replies 4 ·
Graduate Trying to understand the meaning of "Sum Rules"
- qnach
- · Replies 6 ·
Rather interesting Physics Olympiad poster
- greypilgrim
- · Replies 5 ·
Undergrad Are there reflections in the fourth dimension?
- hydrostaticequil
- · Replies 4 ·
Flawed Artist's Renditions of Cosmological Events
- ebos
- · Replies 3 ·
Graduate Can the radio noise of a civilization decrease over time?
- Line_112
- · Replies 6 ·
Undergrad Cloud seeding and firefighting
- hagopbul
- · Replies 11 ·
Graduate RIP Leon N Cooper (1930 - 2024) - Nobel 1972
- robphy
- · Replies 1 ·
News Wasn't Parker Solar Probe about to resume communication with Earth?
- mcastillo356
- · Replies 5 ·
Why are the paths of our cosmic explorations pretty?
- Trying2Learn
- · Replies 16 ·
High School Explanations about Kardashev type 1 civilizations
- KingGambit
- · Replies 7 ·
Static electricity (like tree lightning) on my ceiling?
- dbecker
- · Replies 24 ·
Undergrad AI Predicting Physics Research Results
- ohwilleke
- · Replies 1 ·
Shout out to my HS Science teacher from 10 years ago
- AlexB23
- · Replies 2 ·
Graduate Predictions for Physics Nobel Prize 2024 (and the results)
- pines-demon
- · Replies 37 ·
Undergrad Airflow through an air extraction grill
- Hedgehope
- · Replies 3 ·