Other Physics Topics Forum

Post thread
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.
  • Sticky
Insights How to Avoid Breaking Physics With Your “What If” Question
  • · Replies 3 ·
Replies
3
Views
15K
  • Sticky
Graduate List of credible physics journals
  • · Replies 5 ·
Replies
5
Views
20K
  • Sticky
Insights How to Better Define Information in Physics - Comments
  • · Replies 9 ·
Replies
9
Views
8K
  • Sticky
Undergrad Physics FAQs: All Your Questions Answered
  • · Replies 0 ·
Replies
0
Views
17K
Undergrad Chua's oscillator circuit -- Intuitive picture
  • · Replies 39 ·
2
Replies
39
Views
1K
High School Is it possible for matter to be completely destroyed to nothingness
  • · Replies 3 ·
Replies
3
Views
153
Graduate Interference with slits of different width
  • · Replies 3 ·
Replies
3
Views
215
Graduate What researchers think of the Coriolis force
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Solid State Physics and Chameleon Color Changes
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad New EM spectrum designation between UV and X-rays
  • · Replies 5 ·
Replies
5
Views
813
High School Buoyancy and gravity
  • · Replies 32 ·
2
Replies
32
Views
4K
Graduate Geometry of Bluetooth Field
  • · Replies 10 ·
Replies
10
Views
987
Undergrad Difficulties in Measuring the Contact Angle of a Sessile Droplet
  • · Replies 5 ·
Replies
5
Views
2K
Insights Thinking Outside The Box Versus Knowing What’s In The Box
  • · Replies 36 ·
2
Replies
36
Views
21K
High School A question about leverage and stability of shelf support
  • · Replies 9 ·
Replies
9
Views
2K
Undergrad What are the speed limits of a maglev track?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad What causes knots and stress when untwisting ropes?
  • · Replies 8 ·
Replies
8
Views
4K
High School What is "motion theory?"
  • · Replies 3 ·
Replies
3
Views
997
Graduate RIP Chen Ning Yang (1922-2025)
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Why Does Snow Pack Better Near the Melting Point?
  • · Replies 170 ·
6
Replies
170
Views
26K
Undergrad Should the Unit of Momentum Be Named After Emmy Noether?
  • · Replies 36 ·
2
Replies
36
Views
5K
High School Is there anything in the Universe that is not fundamentally made up of matter?
  • · Replies 87 ·
3
Replies
87
Views
6K
Question about what is in the Universe
  • · Replies 15 ·
Replies
15
Views
1K
Undergrad Questions about bubble behaviour
  • · Replies 9 ·
Replies
9
Views
2K
Undergrad Spectrometer of James Webb Space Telescope
  • · Replies 9 ·
Replies
9
Views
1K
High School Individual photons or electrons on a screen?
  • · Replies 17 ·
Replies
17
Views
3K
High School Mechanism behind the generation of tiny bright spots
  • · Replies 17 ·
Replies
17
Views
1K
Undergrad Why is SI taught in US university physics courses instead of cgs?
  • · Replies 22 ·
Replies
22
Views
2K
Undergrad A high school physics problem demonstrating relative motion
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Unsolved Problems in Near Surface Geophysics
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Looking for learning resources for Clifford Algebra
  • · Replies 1 ·
Replies
1
Views
1K
High School Audio frequency of a humidifier
  • · Replies 12 ·
Replies
12
Views
1K
Graduate Variations on Sacharov's problem
  • · Replies 6 ·
Replies
6
Views
1K
New person here, where do I post my own personal hypothesis?
  • · Replies 15 ·
Replies
15
Views
4K
Graduate Predictions for the Nobel Prize in Physics 2025 (results: John Clarke, Michel H. Devoret and John M. Martinis)
  • · Replies 37 ·
2
Replies
37
Views
7K
Graduate RIP Daniel Kleppner (1932-2025)
  • · Replies 4 ·
Replies
4
Views
2K
Best physics magazines?
  • · Replies 1 ·
Replies
1
Views
1K
Einstein vs Newton - Who is your favorite and why?
  • · Replies 28 ·
Replies
28
Views
2K
Graduate To get rid of a singularity in the Lagrange equations
  • · Replies 11 ·
Replies
11
Views
1K
News RIP Kenneth Nordtvedt
  • · Replies 1 ·
Replies
1
Views
1K
Graduate APS's 2026 W.K.H. Panofsky Prize!
  • · Replies 1 ·
Replies
1
Views
1K
High School Opposite law propose
  • · Replies 2 ·
Replies
2
Views
1K
High School How do walk-in freezers not give people hypothermia? [they do]
  • · Replies 13 ·
Replies
13
Views
3K
High School States of matter: "viscoelastic fluid", familiar term is "cream"
  • · Replies 5 ·
Replies
5
Views
1K
Graduate RIP John Stachel (1928-2025)
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Could the Laws of Physics Be Proportional to Entropy?
  • · Replies 5 ·
Replies
5
Views
1K
Graduate Complexity Physics and Tipping Points in Chess
  • · Replies 22 ·
Replies
22
Views
3K
Graduate RIP Mary Gaillard (1939-2025)
  • · Replies 3 ·
Replies
3
Views
2K
Graduate RIP George F. Smoot III (1945-2025)
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Raman Spectroscopy help
  • · Replies 1 ·
Replies
1
Views
1K
A Big Thank You to Physics Forums
  • · Replies 1 ·
Replies
1
Views
1K
James Hartle RIP: Remembering a Beloved GR Teacher
  • · Replies 5 ·
Replies
5
Views
3K
High School Why can't Solar panels be hemispherical, or a curved strip type?
  • · Replies 38 ·
2
Replies
38
Views
5K
Graduate RIP Rainer Weiss (1932-2025)
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How do people explore new ideas in physics?
  • · Replies 52 ·
2
Replies
52
Views
5K
Undergrad I need to simulate clothing meshes for hanging garments
  • · Replies 3 ·
Replies
3
Views
1K
High School Gravity in science fiction movies
  • · Replies 16 ·
Replies
16
Views
2K
Graduate RIP Jayant Narlikar (1938-2025)
  • · Replies 1 ·
Replies
1
Views
2K
Graduate AI vs. German Physics Olympiad
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Physics inserted in society
  • · Replies 5 ·
Replies
5
Views
2K
Seeking Interested Physicists
  • · Replies 2 ·
Replies
2
Views
2K
R.I.P. Sir Francis Graham-Smith 1923- 2025
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Speculative theory
  • · Replies 2 ·
Replies
2
Views
2K
Dr. Eddie Boyes' Youtube videos on Quantum Entanglement
  • · Replies 3 ·
Replies
3
Views
3K
High School Development of computer chips cooling
  • · Replies 4 ·
Replies
4
Views
2K
Graduate RIP Edwin F Taylor (1931-2025)
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Using AI to evaluate white papers?
  • · Replies 42 ·
2
Replies
42
Views
4K
Graduate Publishing Physics Without Institution: Any Tips?
  • · Replies 40 ·
2
Replies
40
Views
10K
Undergrad Why weather apps show absolute pressure?
  • · Replies 18 ·
Replies
18
Views
2K
Undergrad 'Set of pearls' mathematics / physics help
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Thought Experiment: "A Glimpse into Infinity"
  • · Replies 1 ·
Replies
1
Views
2K
Drake Equation/Fermi Paradox vs. Hubble/JWST
  • · Replies 4 ·
Replies
4
Views
2K
High School Name or Label for the outermost point of a rotating object
  • · Replies 3 ·
Replies
3
Views
3K
News Gerard't Hooft Interview
  • · Replies 6 ·
Replies
6
Views
3K
  • Poll Poll
Poll: For physics and math, Notebook vs Loose leaf papers
  • · Replies 52 ·
2
Replies
52
Views
8K
Undergrad What can be used as a Frequency generator to make Chladni patterns?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad How Can I Build a DIY High Vacuum System Using Copper Instead of Glass?
  • · Replies 5 ·
Replies
5
Views
4K
High School Looking for info on old, unlabeled Geissler tubes
  • · Replies 16 ·
Replies
16
Views
4K
Undergrad Landau golden list
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Veritasium Videos we all want (maybe)
  • · Replies 4 ·
Replies
4
Views
3K
Graduate RIP Basil Hiley (1935–2025)
  • · Replies 3 ·
Replies
3
Views
2K
High School The satellite and its work done
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad The work done by an artificial satellite
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Trying to understand the meaning of "Sum Rules"
  • · Replies 6 ·
Replies
6
Views
2K
Rather interesting Physics Olympiad poster
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Are there reflections in the fourth dimension?
  • · Replies 4 ·
Replies
4
Views
2K
Flawed Artist's Renditions of Cosmological Events
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Can the radio noise of a civilization decrease over time?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Cloud seeding and firefighting
  • · Replies 11 ·
Replies
11
Views
3K
Graduate RIP Leon N Cooper (1930 - 2024) - Nobel 1972
  • · Replies 1 ·
Replies
1
Views
3K
News Wasn't Parker Solar Probe about to resume communication with Earth?
  • · Replies 5 ·
Replies
5
Views
2K
  • Poll Poll
Graduate Theory Of Everything (ToE)
  • · Replies 27 ·
Replies
27
Views
3K
Why are the paths of our cosmic explorations pretty?
  • · Replies 16 ·
Replies
16
Views
3K
High School Explanations about Kardashev type 1 civilizations
  • · Replies 7 ·
Replies
7
Views
5K
Static electricity (like tree lightning) on my ceiling?
  • · Replies 24 ·
Replies
24
Views
5K
Undergrad AI Predicting Physics Research Results
  • · Replies 1 ·
Replies
1
Views
2K
Shout out to my HS Science teacher from 10 years ago
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Predictions for Physics Nobel Prize 2024 (and the results)
  • · Replies 37 ·
2
Replies
37
Views
12K
Undergrad Airflow through an air extraction grill
  • · Replies 3 ·
Replies
3
Views
3K
Graduate What is a less painful way to study Lagrangian Mechanics?
  • · Replies 4 ·
Replies
4
Views
2K
High School How do I keep my room cool when my housemate wants the heating on?
  • · Replies 15 ·
Replies
15
Views
4K
Undergrad Direct and alternating current, a personal approach to understand them
  • · Replies 1 ·
Replies
1
Views
3K
Is This Year's Physics Nobel on Advances in AI Physics?
  • · Replies 1 ·
Replies
1
Views
2K
High School Lottery physics: ball placement and positions in lottery games
  • · Replies 12 ·
Replies
12
Views
9K