en-US Physics Forums RSS Feed This is the official global feed for PhysicsForums.com Wed, 23 Sep 2026 20:34:25 +0000 Wed, 23 Sep 2026 20:34:25 +0000 Physics Forums - Science by Humans https://www.physicsforums.com/ Increasing the brightness of an OLED pixel Wed, 23 Sep 2026 20:15:26 +0000 https://www.physicsforums.com/threads/increasing-the-brightness-of-an-oled-pixel.1086295/ urn:xenforo:thread:1086295 invalid@example.com (jebez) jebez Increasing the brightness of an OLED pixel (display in general), the 3 sub-pixels are added or multiplied?
Is it R+x, G+x & B+x or R*x, G*x & B*x ? (Red Green Blue).

[Posted edited by a Mentor]]]> 17 Career guidance for a very lost Physics PhD student? Wed, 23 Sep 2026 20:08:21 +0000 https://www.physicsforums.com/threads/career-guidance-for-a-very-lost-physics-phd-student.1086245/ urn:xenforo:thread:1086245 invalid@example.com (dp647) dp647 I feel quite lost with regard to forming any sort of career plan at the moment. Right now, I’m at the start of my 4th year as a Physics PhD student at a good school (one of the Ivies). My work so far has been in theoretical condensed matter physics (cold atom gases in optical cavities).

I think...

Read more]]> 40 Space Stuff and Launch Info Wed, 23 Sep 2026 19:37:27 +0000 https://www.physicsforums.com/threads/space-stuff-and-launch-info.879196/ urn:xenforo:thread:879196 invalid@example.com (1oldman2) 1oldman2 Due to the constant never ending supply of "cool stuff" happening in Aerospace these days I'm creating this thread to consolidate posts every time something new comes along. Please feel free to add random information if its relevant. So to start things off here is the SpaceX Dragon launch coming...

Read more]]> 1719 Best visualization of SO(3) Wed, 23 Sep 2026 19:37:21 +0000 https://www.physicsforums.com/threads/best-visualization-of-so-3.1086092/ urn:xenforo:thread:1086092 invalid@example.com (Matterwave) Matterwave I know a decent number of properties of SO(3) and obviously I can visualize the group action on three space as rotations. But a good visualization of the group itself eludes me.

SU(2) is somehow more intuitive to visualize since it simply is ##S^3##. So I just think of a 2-d sphere and say...

Read more]]> 12 Entanglement swapping and Bohmian mechanics Wed, 23 Sep 2026 19:34:09 +0000 https://www.physicsforums.com/threads/entanglement-swapping-and-bohmian-mechanics.1086070/ urn:xenforo:thread:1086070 invalid@example.com (Demystifier) Demystifier Since the recent thread on Bohmian mechanics (BM) is now closed, I open a new thread in which I want to explain something that bothers @DrChinese for a long time. How can BM explain the entanglement swapping? But I want to make this explanation simple and intuitive, rather than technical...

Read more]]> 413 Buying headphones for a Windows 11 PC. Help with choice... Wed, 23 Sep 2026 17:34:39 +0000 https://www.physicsforums.com/threads/buying-headphones-for-a-windows-11-pc-help-with-choice.1086215/ urn:xenforo:thread:1086215 invalid@example.com (WWGD) WWGD Hi,
Looking for some headphones that will have both low leakage and will lower ambient noise mostly from street traffic; both high, low frequency, averaging ~50 Db, with a Max of around 80Db, to plug into a Windows 11 Home . Not even sure these are the main parameters to consider. Willing to...

Read more]]> 5 Tool to mass download foldered data Wed, 23 Sep 2026 17:32:48 +0000 https://www.physicsforums.com/threads/tool-to-mass-download-foldered-data.1086298/ urn:xenforo:thread:1086298 invalid@example.com (dextercioby) dextercioby Hi, I need to know if there's any way (AI or not) in which I can quickly download data that is (freely, no copyright issue) available on a website in form of a list of 160 links, each leading to list of zipped files. Basically, I need the full list of zipped files. Is there a way, other than...

Read more]]> 5 Why do people not notice the equinox when it happens? Wed, 23 Sep 2026 17:18:03 +0000 https://www.physicsforums.com/threads/why-do-people-not-notice-the-equinox-when-it-happens.1050971/ urn:xenforo:thread:1050971 invalid@example.com (Baluncore) Baluncore Why do people not notice the equinox when it happens ?]]> 33 Race car suspension Class Wed, 23 Sep 2026 17:12:53 +0000 https://www.physicsforums.com/threads/race-car-suspension-class.326355/ urn:xenforo:thread:326355 invalid@example.com (Ranger Mike) Ranger Mike Posted June 2024 - 15 years after starting this class. I have learned a whole lot. To get to the short course on making your stock car, late model, hobby stock E-mod handle, look at the index below. Read all posts on Roll Center, Jacking effect and Why does car drive straight to the wall when I...

Read more]]> 1789 Understanding the Reasoning Behind Basic Algebra Wed, 23 Sep 2026 16:18:05 +0000 https://www.physicsforums.com/threads/understanding-the-reasoning-behind-basic-algebra.1086252/ urn:xenforo:thread:1086252 invalid@example.com (installshu) installshu Hi everyone,

I’ve been thinking about how beginners learn algebra and wanted to get some opinions.

When solving a basic equation like:

2x + 6 = 14

it’s easy to learn the steps and arrive at x = 4. But is it more important for a beginner to understand why we can subtract 6 from both...

Read more]]> 11 AI and Math Research Wed, 23 Sep 2026 15:11:14 +0000 https://www.physicsforums.com/threads/ai-and-math-research.1086211/ urn:xenforo:thread:1086211 invalid@example.com (Hornbein) Hornbein ----
@hhh4804
(As a physicist) i don't know, it feels like a chess player solving a position using a chess engine... i think we are completely missing the meaning of scientific research, there is no point in solving math problems using AI
----

Me
Well it depends. Do you want to solve problems...

Read more]]> 19 Continuity of the tangential components of electric field across an interface Wed, 23 Sep 2026 15:10:08 +0000 https://www.physicsforums.com/threads/continuity-of-the-tangential-components-of-electric-field-across-an-interface.1086293/ urn:xenforo:thread:1086293 invalid@example.com (hunt_mat) hunt_mat Recently, I've gotten interested in applying Lagrangian mechanics to everything. I thought I would apply it to electrostatics. If I choose a Lagrangian of the form
[tex]L=\int_{\Omega}\frac{\epsilon}{2}|\nabla V|^{2}+\rho VdA[/tex]
For two different regions, the interfacial condition for the normal...

Read more]]> 5 Wordle Lovers - Play the NYT Daily Game Wed, 23 Sep 2026 14:38:41 +0000 https://www.physicsforums.com/threads/wordle-lovers-play-the-nyt-daily-game.1016903/ urn:xenforo:thread:1016903 invalid@example.com (fresh_42) fresh_42 This thread is for all who like the daily Wordle game of the New York Times as much as I do.

The rules:

1) https://www.nytimes.com/games/wordle/index.html
2) Post your result.
3) Do not spoil the answer.]]> 8764 Collection of Lame Jokes Wed, 23 Sep 2026 14:32:22 +0000 https://www.physicsforums.com/threads/collection-of-lame-jokes.25301/ urn:xenforo:thread:25301 invalid@example.com (quddusaliquddus) quddusaliquddus Lamest joke you know ... :zzz:]]> 24318 TPU vs. GPU Wed, 23 Sep 2026 14:07:51 +0000 https://www.physicsforums.com/threads/tpu-vs-gpu.1086303/ urn:xenforo:thread:1086303 invalid@example.com (Hornbein) Hornbein What's the difference? They both mostly do matrix multiplication. I don't see what is tensor about a TPU.]]> 4 Frustration with arXiv overload Wed, 23 Sep 2026 12:10:42 +0000 https://www.physicsforums.com/threads/frustration-with-arxiv-overload.1086294/ urn:xenforo:thread:1086294 invalid@example.com (Demystifier) Demystifier I am frustrated with arXiv overload, more precisely, with daily following of new and replaced papers in gr-qc, hep-th and quant-ph. The problem is that the number of new and replaced papers each day is too big, much bigger than, say, ten years ago. It's hard to read carefully even all the...

Read more]]> 5 Human vs. Machine Wed, 23 Sep 2026 11:15:45 +0000 https://www.physicsforums.com/threads/human-vs-machine.1086258/ urn:xenforo:thread:1086258 invalid@example.com (Hornbein) Hornbein It is well known that any human no longer has a chance in traditional chess, go, or poker. Recently champ Shin-Jinseo was able to defeat KataGo after granting himself a one-stone advantage. That is, he places two stones before KataGo places one. This is called a two-stone handicap -- I'd call...

Read more]]> 15 Is AI Overhyped? Wed, 23 Sep 2026 05:35:08 +0000 https://www.physicsforums.com/threads/is-ai-overhyped.1080669/ urn:xenforo:thread:1080669 invalid@example.com (SamRoss) SamRoss In my discussions elsewhere, I've noticed a lot of disagreement regarding AI. A question that comes up is, "Is AI hype?" Unfortunately, when this question is asked, the one asking, as far as I can tell, may mean one of three things which can lead to lots of confusion. I'll list them out now for...

Read more]]> 504 Favorite jazz musicians and songs Wed, 23 Sep 2026 02:46:04 +0000 https://www.physicsforums.com/threads/favorite-jazz-musicians-and-songs.1051251/ urn:xenforo:thread:1051251 invalid@example.com (BadgerBadger92) BadgerBadger92 I have always liked Jazz music (and blues, electric blues to be particular)

Who is your favorite musician and song?

I’ve always liked Herbie Hancock, especially his song “Maiden Voyage.”

]]> 393 Using the 1st law of thermodynamics to explain the change in specific latent heat Wed, 23 Sep 2026 02:14:28 +0000 https://www.physicsforums.com/threads/using-the-1st-law-of-thermodynamics-to-explain-the-change-in-specific-latent-heat.1086256/ urn:xenforo:thread:1086256 invalid@example.com (songoku) songoku ΔU = Q + W
Q = ΔU - W

I am not sure how to analyze the changes in ΔU and W. The value of p increases, but how do we know about ΔV?

For ΔU, the KE is constant and the PE increases since the molecules' separation is more but how do we compare the increase to the case of normal atmospheric...

Read more]]> 18 Cover songs versus the original track, which ones are better? Tue, 22 Sep 2026 23:51:32 +0000 https://www.physicsforums.com/threads/cover-songs-versus-the-original-track-which-ones-are-better.1050205/ urn:xenforo:thread:1050205 invalid@example.com (pinball1970) pinball1970 Which songs were performed, arranged or produced better in a cover than the original version?
Which songs should have been left well alone?

Also, I think restricting the covers just to released singles will restrict some interesting stonkers and stinkers so album tracks are allowed.]]> 2596 How exactly does convection motion start? Tue, 22 Sep 2026 23:50:07 +0000 https://www.physicsforums.com/threads/how-exactly-does-convection-motion-start.1086279/ urn:xenforo:thread:1086279 invalid@example.com (aletheia) aletheia I’m having trouble understanding how exactly non-equilibrium heat-transfer initiates convection, whether or not phase change is involved.

Consider the following experiments.

First: heating soy oil in a glass kettle on a regular gas stove; 4 probes — at the bottom, midway, near the surface...

Read more]]> 13 Časlav Brukner, Richard Healey, and von Weizsäcker on the wave function Tue, 22 Sep 2026 22:31:18 +0000 https://www.physicsforums.com/threads/caslav-brukner-richard-healey-and-von-weizsacker-on-the-wave-function.1086144/ urn:xenforo:thread:1086144 invalid@example.com (gentzen) gentzen For those who don't want to clutter the other thread, but still want to comment on the references given by Lord Jestocost.
Lord Jestocost said:
Probably, a new paper by Časlav Brukner, entitled “Schrödinger’s Equation at 100: The Wave Picture That Helped and Possibly Hurt”...

Read more]]> 35 Greetings! Tue, 22 Sep 2026 19:39:52 +0000 https://www.physicsforums.com/threads/greetings.1086299/ urn:xenforo:thread:1086299 invalid@example.com (SJamesSl) SJamesSl Greetings! My name is steven. Im not professional in this field, by any means. My schooling is in graphics design and medical work, but i love to study and read scientific papers and books. I love to read new theories and ideas. What i dont understand, i try to look up and learn. Im currently...

Read more]]> 1 Realities of being a mature PhD student Tue, 22 Sep 2026 18:19:14 +0000 https://www.physicsforums.com/threads/realities-of-being-a-mature-phd-student.1086287/ urn:xenforo:thread:1086287 invalid@example.com (Deepstar) Deepstar Hi all, I'm hoping this is the correct place to ask this kind of question.

By way of context, I'm currently 38 and serving in the military, with a background in aviation including flight test. About 5 years ago I completed a full-time MSc in aerospace systems and I really enjoyed the experience...

Read more]]> 3 Comparing the clocks via synchronization Tue, 22 Sep 2026 15:50:42 +0000 https://www.physicsforums.com/threads/comparing-the-clocks-via-synchronization.1086292/ urn:xenforo:thread:1086292 invalid@example.com (Mike_bb) Mike_bb Hello, PF!

I encountered with problem when I tried to understand following explanation about comparing the clocks. (See below)

Given:

We have two synchronized clocks at rest relative to each other, and one moving clock flying past them.

Let us consider two reference frames: Earth...

Read more]]> 14 Will sentient self-autonomous robots think like humans? Tue, 22 Sep 2026 15:45:54 +0000 https://www.physicsforums.com/threads/will-sentient-self-autonomous-robots-think-like-humans.1013706/ urn:xenforo:thread:1013706 invalid@example.com (Isopod) Isopod I think that a lot of people fear AI because we fear what it may reflect about our very own worst nature, such as our tendency throughout history to try and exterminate each other.
But what if AI thinks nothing like us, or is superior to our beastial bestial nature?
Do you fear AI and what...

Read more]]> 586 Agentic-AI/LLM 'misbehavior' or 'going rogue' Tue, 22 Sep 2026 15:30:29 +0000 https://www.physicsforums.com/threads/agentic-ai-llm-misbehavior-or-going-rogue.1085282/ urn:xenforo:thread:1085282 invalid@example.com (Astronuc) Astronuc Large Language Models (LLMs) are passive, text-based engines that respond to prompts, whereas Agentic AI systems are autonomous and use LLMs as their "brains" to plan, make decisions, and execute multi-step tasks using external tools (derived from Google's AI Overview). Depending on the...

Read more]]> 43 What Is The Data Center Story? Tue, 22 Sep 2026 14:24:56 +0000 https://www.physicsforums.com/threads/what-is-the-data-center-story.1085182/ urn:xenforo:thread:1085182 invalid@example.com (Hornbein) Hornbein I want to know what the data center craze is about. I was able to find only superficial discussions. Can anyone recommend a good online reference? In particular, it seems to me that sooner or later there will be a shakeout and the centers belonging to the losers will go bust. Second...

Read more]]> 14 Random Photos Tue, 22 Sep 2026 07:10:50 +0000 https://www.physicsforums.com/threads/random-photos.994801/ urn:xenforo:thread:994801 invalid@example.com (Point Conception) Point Conception A topic for random photos: Ko-Larn island 7 km West of PattayaIMG_20200717_114141.jpg]]> 3935 Unknown apparatus - vacuum tube of some kind? Tue, 22 Sep 2026 05:10:22 +0000 https://www.physicsforums.com/threads/unknown-apparatus-vacuum-tube-of-some-kind.1086291/ urn:xenforo:thread:1086291 invalid@example.com (Johnmorrison) Johnmorrison Hi - can anyone help me identify what this apparatus is? A vacuum tube of some kind? What are the thin copper discs for? It seems to be missing some components - not sure. Does it hold any value or should I just dispose of it? John in Hope, MaineIMG_5544.webpIMG_5543.webp]]> 9 How do bar detectors work in gravitational wave detectors? Tue, 22 Sep 2026 04:35:09 +0000 https://www.physicsforums.com/threads/how-do-bar-detectors-work-in-gravitational-wave-detectors.1084346/ urn:xenforo:thread:1084346 invalid@example.com (Josiah) Josiah Hi, I was just wondering how bar detectors work. From what Ive read, the electrons act as one, thus accentuates the effect of a single gravitational wave.]]> 10 Famous people known for two totally unrelated accomplishments Tue, 22 Sep 2026 03:46:04 +0000 https://www.physicsforums.com/threads/famous-people-known-for-two-totally-unrelated-accomplishments.1085786/ urn:xenforo:thread:1085786 invalid@example.com (sevensages) sevensages I always find it mighty interesting (and impressive) when people are famous for two or more totally unrelated things, especially when one didn't lead to another.

Here are some examples of people who are famous for two or more totally unrelated things:

Robert Leonard ---- He was an original...

Read more]]> 67 How do atoms build thoughts and emotions? Tue, 22 Sep 2026 03:16:43 +0000 https://www.physicsforums.com/threads/how-do-atoms-build-thoughts-and-emotions.1086207/ urn:xenforo:thread:1086207 invalid@example.com (frhaa) frhaa Hi! Recently I´ve been wondering a lot about this. If atoms build everything and everyone, how are they capable of building human thoughts and feelings? It´s probably just a quick google away, but I thought I´d check this website out and hear what you guys have to say. :blushing: Thanks!]]> 168 Penrose-Dosi Model Tue, 22 Sep 2026 03:02:01 +0000 https://www.physicsforums.com/threads/penrose-dosi-model.1085354/ urn:xenforo:thread:1085354 invalid@example.com (Ssnow) Ssnow Hi to all! I want to ask the opinion of the forum about the conjecture on the collapsing wave function ##\psi## due to the presence of the gravity as assumed in the model of Penrose-Dosi ... It seems the only "true" way to understand the quantum mechanics (at least it is possible to verify it...

Read more]]> 12 Finished my deck Tue, 22 Sep 2026 01:40:15 +0000 https://www.physicsforums.com/threads/finished-my-deck.1086115/ urn:xenforo:thread:1086115 invalid@example.com (DaveC426913) DaveC426913 This project is rated at 10/10 (determined by how many fingers I have at the end).


1788044491547.webp

(Oops. I see these pics were taken just a few days before completion. Poolside trim is incomplete I see.)

1788044502264.webp
1788044512273.webp

Did all the fence work too (2y ago, before pool went in) to...

Read more]]> 7 Where are Voyager and Pioneer heading? Mon, 21 Sep 2026 21:38:23 +0000 https://www.physicsforums.com/threads/where-are-voyager-and-pioneer-heading.1086251/ urn:xenforo:thread:1086251 invalid@example.com (Cerenkov) Cerenkov Hello,

I've been looking at this paper... https://arxiv.org/pdf/1912.03503 Future Stellar Flybys of the Voyager and Pioneer Spacecraft ...to get a better handle on where these four probes are heading, at a basic level as an amateur astronomer. Its been very helpful.

I'm trying to...

Read more]]> 31 Series with rotating phase Mon, 21 Sep 2026 19:58:46 +0000 https://www.physicsforums.com/threads/series-with-rotating-phase.1086290/ urn:xenforo:thread:1086290 invalid@example.com (hilbert2) hilbert2 It's a basic fact that the harmonic series

##\displaystyle\sum_{n=1}^{\infty}\frac{1}{n}##

diverges, while the similar series with alternating sign

##\displaystyle\sum_{n=1}^{\infty}\frac{(-1)^{n-1}}{n}##

converges to the value ##\log 2##.

If I compute partial sums for the series...

Read more]]> 3 Strategy to color crosstalk source Mon, 21 Sep 2026 19:55:43 +0000 https://www.physicsforums.com/threads/strategy-to-color-crosstalk-source.1086043/ urn:xenforo:thread:1086043 invalid@example.com (yefj) yefj Hello ,given a layout with multilayer traces.On certain trace there is a high distrotion due to cross talk.
Is there a strategy to see from where the cross talk is coming from?
To color different contributions of the spectrum noise and have indiction the source of it?
Is there such a thing?
Thanks.]]> 33 Question About Collapsing Supernova Mon, 21 Sep 2026 17:24:12 +0000 https://www.physicsforums.com/threads/question-about-collapsing-supernova.1086289/ urn:xenforo:thread:1086289 invalid@example.com (GIASAL) GIASAL The inner part of the core, about 0.4 to 0.6 M⊙, is in sonic contact and collapses homologously, while the outer core collapses supersonically.

Hi
Could you explain the meaning of this sentence to me as simply as possible?]]> 3 There Be Monsters by Dave Collins Mon, 21 Sep 2026 16:10:58 +0000 https://www.physicsforums.com/threads/there-be-monsters-by-dave-collins.1084292/ urn:xenforo:thread:1084292 invalid@example.com (DaveC426913) DaveC426913 I finished - and printed - my collection of short stories!

There Be Monsters
A collection of fantastical maritime-themed short stories from past, present and future.
by Dave Collins

20260218_190854.webp

This is just the prototype run - want to get the art right, the typeface, margins...

Read more]]> 27 ZWO Seestar S50 PRO Mon, 21 Sep 2026 15:11:42 +0000 https://www.physicsforums.com/threads/zwo-seestar-s50-pro.1086135/ urn:xenforo:thread:1086135 invalid@example.com (davenn) davenn hi guys
ZWO have just announced and will be available mid-Sept. their new ZWO Seestar S50 PRO smart telescope.
This for astrophotography ( there is NO eyepiece to look through) 50mm objective and a 260mm focal length.
The scope connects to and is controlled by an app on your smart phone --...

Read more]]> 21 How to use the other "w" in "www"? Mon, 21 Sep 2026 14:52:07 +0000 https://www.physicsforums.com/threads/how-to-use-the-other-w-in-www.1086264/ urn:xenforo:thread:1086264 invalid@example.com (sbrothy) sbrothy I saw @fresh_42 's thread in "Art, History and Linguistics" about how to use the "w" in "www" and wanted to add this little other trick to it (after I was done giggling about the broken English joke) but it's of course closed for replies. I know it may seem obvious but Google Translate is...

Read more]]> 4 Could future technology test what lies beyond the observable universe? Mon, 21 Sep 2026 09:34:51 +0000 https://www.physicsforums.com/threads/could-future-technology-test-what-lies-beyond-the-observable-universe.1086283/ urn:xenforo:thread:1086283 invalid@example.com (adamysy) adamysy I have been thinking about a question: Could future technology allow us to test whether anything exists beyond the observable universe?

I think that our inability to detect or test something today does not necessarily mean that it will always be impossible. Our current technology has limits...

Read more]]> 7 Are the space and time parts of a standing wave in 3D separable? Mon, 21 Sep 2026 09:26:57 +0000 https://www.physicsforums.com/threads/are-the-space-and-time-parts-of-a-standing-wave-in-3d-separable.1086282/ urn:xenforo:thread:1086282 invalid@example.com (PLAGUE) PLAGUE I quote from my book:

In the case of the equation for the one-dimensional stationary wave (Eq. 4-51), in which the magnitude u of the phase velocity was constant and in which solutions were restricted through boundary conditions to a set of privileged constant values for v, we were able to...

Read more]]> 5 Hacking of Ships Mon, 21 Sep 2026 07:59:09 +0000 https://www.physicsforums.com/threads/hacking-of-ships.1086280/ urn:xenforo:thread:1086280 invalid@example.com (BillTre) BillTre Some ships getting hacked has been in the news lately.
This guy, Sal Mercogliano (one of my favorites), goes into many aspects of this.

]]> 2 Musing on the Foundations of Statistical Mechanics Sun, 20 Sep 2026 23:58:19 +0000 https://www.physicsforums.com/threads/musing-on-the-foundations-of-statistical-mechanics.1085368/ urn:xenforo:thread:1085368 invalid@example.com (Matterwave) Matterwave Hello~

I've been reading about the Foundations of Statistical Mechanics recently and found the topic of foundations Entropy quite interesting (although I haven't actually gotten to the section on Entropy yet in the book I'm reading -- A. I. Khinchin Foundations of SM). I was wondering if this...

Read more]]> 17 Momentum vs inertia Sun, 20 Sep 2026 19:32:15 +0000 https://www.physicsforums.com/threads/momentum-vs-inertia.1086185/ urn:xenforo:thread:1086185 invalid@example.com (Galaxion) Galaxion Can momentum considered as the resistance of a force? Why?I noticed that the physical meaning of momentum and inertia are similar]]> 10 How to find the sum of this series? Sun, 20 Sep 2026 18:58:10 +0000 https://www.physicsforums.com/threads/how-to-find-the-sum-of-this-series.1085977/ urn:xenforo:thread:1085977 invalid@example.com (Rick16) Rick16 I have been working through problem 2.7 in Griffiths' QM book. Everything is pretty much clear, except that at the very end the following sum shows up: ##(1/1 + 1/3^2 + 1/5^2 +1/7^2 +...)## According to the solution, this sum equals ##\pi^2/8##. How can this be determined?]]> 17 A mathematical zen koan Sun, 20 Sep 2026 13:48:55 +0000 https://www.physicsforums.com/threads/a-mathematical-zen-koan.1086119/ urn:xenforo:thread:1086119 invalid@example.com (mr3000) mr3000 Say you have a dot. That dot explodes into an infinite number of dots. Each of those dots explode into a new infinite number of dots. Each of those dots explode into a new infinite number of dots, ad infinitum.

How many dots do you have in total?]]> 13 A set of classical mechanics theorems Sun, 20 Sep 2026 06:27:18 +0000 https://www.physicsforums.com/threads/a-set-of-classical-mechanics-theorems.1086278/ urn:xenforo:thread:1086278 invalid@example.com (wrobel) wrobel This is a concise reference guide (proofs are largely omitted) to key theorems in classical dynamics that I use in my teaching. It covers introductory-level material right before the D'Alembert–Lagrange principle and Lagrange's equations. I’m simply sharing this teaching material with the...

Read more]]> 2 RIP Rafael Sorkin (1945-2026), relativity + causal set quantum gravity Sun, 20 Sep 2026 03:11:36 +0000 https://www.physicsforums.com/threads/rip-rafael-sorkin-1945-2026-relativity-causal-set-quantum-gravity.1086281/ urn:xenforo:thread:1086281 invalid@example.com (robphy) robphy https://en.wikipedia.org/wiki/Rafael_Sorkin
1789870770094.webp

https://artsandsciences.syracuse.edu/people/faculty/rafael-d-sorkin/
https://perimeterinstitute.ca/people/rafael-sorkin...

Read more]]> 0 Measurement of mass geometrically Sun, 20 Sep 2026 01:39:40 +0000 https://www.physicsforums.com/threads/measurement-of-mass-geometrically.1086217/ urn:xenforo:thread:1086217 invalid@example.com (vyas22) vyas22 Can gravitational force or mass of any large physical body be measured by checking the difference the curvature of space has made near it's surface to the circumference of a circle with radius r? ie. how less or more is the circumference from 2*pi*r? e.g. How much would it be near alpha...

Read more]]> 5 Bad Math Jokes Sat, 19 Sep 2026 21:19:38 +0000 https://www.physicsforums.com/threads/bad-math-jokes.990191/ urn:xenforo:thread:990191 invalid@example.com (benorin) benorin Summary:: Ok, so let hear 'em, all your tasteful bad math jokes...

Found this on r/mathmemes

There's no solution for 31:
Doctor Who (Capaldi) on the sum of 3 cubes equalling a given integer

Ok, so let hear 'em, all your tasteful bad math jokes...]]> 451 Newton's bucket experiment Sat, 19 Sep 2026 19:52:04 +0000 https://www.physicsforums.com/threads/newtons-bucket-experiment.1086132/ urn:xenforo:thread:1086132 invalid@example.com (gen x) gen x If you remove all matter in universe when Newton bucket is spinning(water level is still curved), bucket spins in relation to what?
How we called this frame?

]]> 28 Calculation of "momentum" vector's head coordinates Sat, 19 Sep 2026 18:32:36 +0000 https://www.physicsforums.com/threads/calculation-of-momentum-vectors-head-coordinates.1086275/ urn:xenforo:thread:1086275 invalid@example.com (LucKy) LucKy Hello all

I’m not sure whether this question should be posted here or in general math section.

I summarized my question on below picture.
Pic.webp

Question is:
Is it possible to calculate coordinates of Green vector’s "head" given available information? Or given information is not...

Read more]]> 3 Things you wish you knew when you started to study physics? Sat, 19 Sep 2026 16:28:54 +0000 https://www.physicsforums.com/threads/things-you-wish-you-knew-when-you-started-to-study-physics.1086213/ urn:xenforo:thread:1086213 invalid@example.com (Rodney182) Rodney182 Hi there! I'm a new member trying to self-study physics.

I apologise if this is in the wrong place on the forum. Feel free to lock or move the thread if so.

What are some things you wish you knew when you started learning physics? Or things about the world of science/physics that you wish...

Read more]]> 17 Nobel Prize in Physics 2026 predictions Sat, 19 Sep 2026 12:53:21 +0000 https://www.physicsforums.com/threads/nobel-prize-in-physics-2026-predictions.1086166/ urn:xenforo:thread:1086166 invalid@example.com (pines-demon) pines-demon As in 2024 and 2025, here is the 2026 thread. As indicated by various sources it is getting increasingly difficult to predict the laureates. So here I aggregate different sources and comment them until 2026 Nobel Week.

You can also leave your prediction here.

Here are the...

Read more]]> 25 Chandrasekhar mass is a function of electron fraction and core entropy? Sat, 19 Sep 2026 10:52:08 +0000 https://www.physicsforums.com/threads/chandrasekhar-mass-is-a-function-of-electron-fraction-and-core-entropy.1086234/ urn:xenforo:thread:1086234 invalid@example.com (GIASAL) GIASAL Hi everyone,
Is it possible to explain in simple terms why the Chandrasekhar mass is generally a function of electron fraction and core entropy ?]]> 2 Can thermodynamics macrostates hide relevant quantum information ? Sat, 19 Sep 2026 08:59:31 +0000 https://www.physicsforums.com/threads/can-thermodynamics-macrostates-hide-relevant-quantum-information.1086274/ urn:xenforo:thread:1086274 invalid@example.com (mirko1) mirko1 I’m a chemistry student, I’ve been thinking about the connection between quantum mechanics and thermodynamics.
In thermodynamics we describe a system through macroscopic quantities such as T, P, Energy…
Quantum mechanics on the other hand, gives us more detailed description on the microscopic...

Read more]]> 20 So, if RQM isn't consistent; what makes us believe that QFT is? Sat, 19 Sep 2026 06:28:08 +0000 https://www.physicsforums.com/threads/so-if-rqm-isnt-consistent-what-makes-us-believe-that-qft-is.1086193/ urn:xenforo:thread:1086193 invalid@example.com (loop quantum gravity) loop quantum gravity A conundrum indeed....
:cool:

I still don't understand how you can use methods of semiclassical analysis in physics; what does it mean do they obey Heisenberg inequality or not? you can't have both, now can you?
It's OK from physics and engineering standpoint that the theories won't be...

Read more]]> 16 Share Animal Pictures: For Animal Lovers Fri, 18 Sep 2026 23:32:31 +0000 https://www.physicsforums.com/threads/share-animal-pictures-for-animal-lovers.583729/ urn:xenforo:thread:583729 invalid@example.com (micromass) micromass Post your favorite animal pictures here!]]> 3073 Usefulness of Amplituhedron Fri, 18 Sep 2026 20:48:19 +0000 https://www.physicsforums.com/threads/usefulness-of-amplituhedron.1086276/ urn:xenforo:thread:1086276 invalid@example.com (prasadvrk) prasadvrk If amplituhedron is so efficient in calculating probabilities why everyone is not using it]]> 1 One hundred people line up to board an airplane Fri, 18 Sep 2026 16:40:34 +0000 https://www.physicsforums.com/threads/one-hundred-people-line-up-to-board-an-airplane.1086202/ urn:xenforo:thread:1086202 invalid@example.com (Gavran) Gavran [P. Winkler] One hundred people line up to board an airplane. Each has a boarding pass with an assigned seat. However, the first person to board has lost his boarding pass and takes a random seat. After that, each person takes the assigned seat if it is unoccupied, and one of the unoccupied...

Read more]]> 20 Physicists .... help me understand free fall & acceleration Fri, 18 Sep 2026 16:23:16 +0000 https://www.physicsforums.com/threads/physicists-help-me-understand-free-fall-acceleration.1086273/ urn:xenforo:thread:1086273 invalid@example.com (justanengineer2026) justanengineer2026 Not a physicist so help me understand...

In general media, explanations of gravity, free fall, and acceleration, make reference to two things

1/ a human jumping off a building in free fall does not feel acceleration, therefore, it must be the earths surface accelerating towards the human

2/...

Read more]]> 7 Difference in Potential Between Charged Sphere and Surrounding Shell Fri, 18 Sep 2026 13:49:59 +0000 https://www.physicsforums.com/threads/difference-in-potential-between-charged-sphere-and-surrounding-shell.1086272/ urn:xenforo:thread:1086272 invalid@example.com (rosedog09) rosedog09 I have attached a copy of my work. I know that the voltage for a sphere (assuming a reference distance of infinity) is

V = kq/r

I also know that I am trying to find the charge given potential difference or voltage between the inner sphere (charge +q) and the other shell(charge -q), so I...

Read more]]> 7 Great ebass playing Fri, 18 Sep 2026 13:47:02 +0000 https://www.physicsforums.com/threads/great-ebass-playing.1083045/ urn:xenforo:thread:1083045 invalid@example.com (Hornbein) Hornbein Noted ebass player Mina has just joined East of Eden. She always was heard playing slap style before. Her finger style play is the greatest say I. How can anyone be so nimble?



Note the rust. There is a lot of rust in Japan. I think they like the way it looks. I know I do.]]> 97 Today I Learned Fri, 18 Sep 2026 11:34:17 +0000 https://www.physicsforums.com/threads/today-i-learned.783257/ urn:xenforo:thread:783257 invalid@example.com (Greg Bernhardt) Greg Bernhardt Every day we learn new things. Sometimes it's just a small fact or realization. No matter how trivial or random, let's start recording our daily lessons.

Please start off with "Today I learned". Keep commentary to a minimum and just LIKE posts. I'll start!

Today I learned that you clean...

Read more]]> 6981 Gerry and Knight solution to single-mode Maxwell equation Fri, 18 Sep 2026 07:53:22 +0000 https://www.physicsforums.com/threads/gerry-and-knight-solution-to-single-mode-maxwell-equation.1085664/ urn:xenforo:thread:1085664 invalid@example.com (Kekeedme) Kekeedme In the book, they present the solution to the maxwell equation for a wave propagating in 1-D. My only issue is determining where the specific expression for the amplitude of the electric field comes from. Their solution is:
Screenshot 2026-07-08 at 11.04.53 AM.webp
Even if we use the classical energy in the field and equate...

Read more]]> 28 SpaceX starts operational Starship launches Fri, 18 Sep 2026 05:23:25 +0000 https://www.physicsforums.com/threads/spacex-starts-operational-starship-launches.1086220/ urn:xenforo:thread:1086220 invalid@example.com (mfb) mfb Based on air traffic coordination
Edit: Also as FAA advisory now

SpaceX should release a flight plan soon but we can expect a ~250-350 km circular orbit with a booster splashdown near the launch site. It will then deploy Starlink v3 satellites which were made specifically for...

Read more]]> 2 Can anyone deeply understand relativity? Thu, 17 Sep 2026 23:41:10 +0000 https://www.physicsforums.com/threads/can-anyone-deeply-understand-relativity.1085943/ urn:xenforo:thread:1085943 invalid@example.com (BadgerBadger92) BadgerBadger92 I’m still in school for physics, but I’m worried I will never deeply understand relativity. Can anyone understand these concepts, or is it something only a few people in the world can understand?]]> 41 Prof. Verschure's thin section collection from the Fen and Hor localities Thu, 17 Sep 2026 22:28:40 +0000 https://www.physicsforums.com/threads/prof-verschures-thin-section-collection-from-the-fen-and-hor-localities.1054432/ urn:xenforo:thread:1054432 invalid@example.com (Andy Resnick) Andy Resnick (Edit: since the thread title was changed, this first sentence is too cryptic: the original title referred to a Tool song....)

Besides being a favorite song by a favorite band, the thread title is a straightforward play on words. This summer, as a present to myself for being promoted, I...

Read more]]> 177 Easy ways you can support Physics Forums Thu, 17 Sep 2026 20:05:58 +0000 https://www.physicsforums.com/threads/easy-ways-you-can-support-physics-forums.813856/ urn:xenforo:thread:813856 invalid@example.com (Greg Bernhardt) Greg Bernhardt We are all members of an amazing community of science and math passionate people from all over the globe. However, "amazing" doesn't just happen over night or by itself. "Amazing" happens when members take pride and responsibility for the health of the community. It's like a tomato plant. The...

Read more]]> 101 Agentic-AI/LLM Misuse/Abuse; Generative Threat Groups (GTGs). Thu, 17 Sep 2026 19:25:17 +0000 https://www.physicsforums.com/threads/agentic-ai-llm-misuse-abuse-generative-threat-groups-gtgs.1086236/ urn:xenforo:thread:1086236 invalid@example.com (Astronuc) Astronuc AgenticAI Misuse relates to AgenticAI 'misbehavior' or 'going rogue'.

Anthropic has coined a term Generative Threat Groups (GTGs) with which to refer to actors observed to be misusing/abusing...

Read more]]> 1 Query on use of prism in delayed choice quantum eraser experiment Thu, 17 Sep 2026 19:03:03 +0000 https://www.physicsforums.com/threads/query-on-use-of-prism-in-delayed-choice-quantum-eraser-experiment.1048620/ urn:xenforo:thread:1048620 invalid@example.com (Steve4Physics) Steve4Physics Hi. I’ve seen a number of schematic diagrams for the Delayed Choice Quantum Eraser experiment. Some include a prism to make the two idler photon paths diverge.

However, the prism is shown refracting the ‘idler rays’ in a way which contravenes Snell’s law. E.g. see prism marked ‘PS’ (not the...

Read more]]> 8 Stirling generator attached to a pizza oven Thu, 17 Sep 2026 13:54:18 +0000 https://www.physicsforums.com/threads/stirling-generator-attached-to-a-pizza-oven.1086263/ urn:xenforo:thread:1086263 invalid@example.com (Tinkererr) Tinkererr In retirement it is my goal to bake pizza in the wilderness by installing a wood burning oven in the bed of an EV truck. I would wish to be able to generate enough power to charge my vehicle. In my research I came across this site and discovered a Stirling Generator. It seems like I could custom...

Read more]]> 1 Hello, Happy to join PF!! Wed, 16 Sep 2026 17:23:55 +0000 https://www.physicsforums.com/threads/hello-happy-to-join-pf.1086257/ urn:xenforo:thread:1086257 invalid@example.com (Sansali) Sansali Hi everyone,

I'm waiting for my university entrance. I have an interest in Astronomy. I've come here to learn new ideas about Astronomy and discuss my ideas with fellow people. And I hope to meet new Astro lovers.

Thank you.]]> 9 Einstein equations don't work at large scale? Wed, 16 Sep 2026 17:12:56 +0000 https://www.physicsforums.com/threads/einstein-equations-dont-work-at-large-scale.1086101/ urn:xenforo:thread:1086101 invalid@example.com (gen x) gen x Below short video explain that Einstein equations don't work at large scale and dark matter/energy are just "fix" to make equations try to work. I also know that Einstein theory dont fit in quantum world.

I am interested what are the consequences that theory not works in large and micro scale...

Read more]]> 116 Proposed holographic dual of the minimal standard model Wed, 16 Sep 2026 16:28:24 +0000 https://www.physicsforums.com/threads/proposed-holographic-dual-of-the-minimal-standard-model.1086260/ urn:xenforo:thread:1086260 invalid@example.com (mitchell porter) mitchell porter "Making the Great Desert Bloom" (Distler, Karch)

This paper proposes that a specific 3D CFT is the holographic dual of the standard model on AdS4. The dual is a Chern-Simons theory described in section 4, starting on page 9, where we get the Chern-Simons gauge group, with fermions on page...

Read more]]> 0 Ram pump -- is water compressibility really relevant? Wed, 16 Sep 2026 16:02:19 +0000 https://www.physicsforums.com/threads/ram-pump-is-water-compressibility-really-relevant.1086138/ urn:xenforo:thread:1086138 invalid@example.com (Swamp Thing) Swamp Thing Is it really necessary to consider the compressibility of water in order to understand a ram pump?

Steve usually does an excellent job of explaining this kind of thing, but this time I'm not so sure...

Note: Despite the thumbnail, he is not proposing a perpetual motion device.

]]> 32 Young's slits with incandescent light source Wed, 16 Sep 2026 14:56:53 +0000 https://www.physicsforums.com/threads/youngs-slits-with-incandescent-light-source.1086093/ urn:xenforo:thread:1086093 invalid@example.com (TheHutch) TheHutch I have been looking at various sources, especially the (now closed) thread on PF classical optics "Coherence, Young's double slit experiments."
The trick to making the double slit experiment work with incandescent, as opposed to laser, light is to pass it through an initial single slit 'to make...

Read more]]> 71 Metal, Rock, Instrumental Rock and Fusion Wed, 16 Sep 2026 12:19:01 +0000 https://www.physicsforums.com/threads/metal-rock-instrumental-rock-and-fusion.1057436/ urn:xenforo:thread:1057436 invalid@example.com (billtodd) billtodd A classical from the previous century in Fusion:

A prog

Chord Change


And a little bit Metal:


Share your own from those genres.]]> 26 What if 0 is special? Wed, 16 Sep 2026 11:00:24 +0000 https://www.physicsforums.com/threads/what-if-0-is-special.1086249/ urn:xenforo:thread:1086249 invalid@example.com (Azhar) Azhar [Mentor Note: Cross-posted threads merged]

Rule:
0×0=0
Think like this,×n is time to type a number
example:
1×2=2 is "type number 1 2 times then sum"
So 0×0=0 is "type number 0 0 time then sum" the result is 0 because it's 0 time so you're not type to the input bar

0÷0=1:
Its like "how...

Read more]]> 16 Extremely slow site responsiveness today on PF Tue, 15 Sep 2026 22:05:36 +0000 https://www.physicsforums.com/threads/extremely-slow-site-responsiveness-today-on-pf.1085983/ urn:xenforo:thread:1085983 invalid@example.com (symbolipoint) symbolipoint Physicsforums had been responding extremely slowly today. On more than one session on the forum. Right now the forum seems to be its typical snappy self.

(Windows 10 desktop, Firefox 153.0.3)

(Thanks for informing us, post #4)]]> 13 CNN interview of AI Tilly Norwood scripted or vision enabled? Tue, 15 Sep 2026 21:57:35 +0000 https://www.physicsforums.com/threads/cnn-interview-of-ai-tilly-norwood-scripted-or-vision-enabled.1086253/ urn:xenforo:thread:1086253 invalid@example.com (lefty) lefty Hi, I watched the short CNN interview of AI Tilly Norwood CNN interview of Tilly Norwood. Can someone tell me if Tilly Norwood was given access to the video feed and was vision-enabled and actually responding to the interviewer or was this scripted? Tilly answered question, commented...

Read more]]> 2 Hallucinated citations are polluting the scientific literature Tue, 15 Sep 2026 21:48:27 +0000 https://www.physicsforums.com/threads/hallucinated-citations-are-polluting-the-scientific-literature.1084914/ urn:xenforo:thread:1084914 invalid@example.com (Greg Bernhardt) Greg Bernhardt

Hallucinated citations are polluting the scientific literature. What can be done?​

Tens of thousands of publications from 2025 might include invalid references generated by AI, a Nature analysis suggests.

https://www.nature.com/articles/d41586-026-00969-z

Anyone have thoughts...

Read more]]> 11 Do photons have mass? Why not? Tue, 15 Sep 2026 21:43:11 +0000 https://www.physicsforums.com/threads/do-photons-have-mass-why-not.1086244/ urn:xenforo:thread:1086244 invalid@example.com (kuruman) kuruman This thread was triggered by an earlier thread in "Classical Physics" asking what if the speed of light is not constant. Here, I bring up a "why not" question as expressed in the title of this current thread. The statement that got me thinking in the earlier thread is this,
Ibix said:
The physics...

Read more]]> 40 Some finds of fossil Devonian fungus "Prototaxites" Tue, 15 Sep 2026 20:24:42 +0000 https://www.physicsforums.com/threads/some-finds-of-fossil-devonian-fungus-prototaxites.1067885/ urn:xenforo:thread:1067885 invalid@example.com (DrDu) DrDu Happy new year everybody!
Last year I learned about a fascinating enigmatic fossil from the Silurian and Devonian, maybe even Ordovicium, which bears the name "Prototaxites".
The name was given to it already in the 19th century as it resembles logs of petrified wood up to 8m tall.
It is quite...

Read more]]> 9 Random Thoughts 7 Tue, 15 Sep 2026 19:02:34 +0000 https://www.physicsforums.com/threads/random-thoughts-7.1056780/ urn:xenforo:thread:1056780 invalid@example.com (Evo) Evo Time to start a new thread.

Here is the last page of part 6.

https://www.physicsforums.com/threads/random-thoughts-part-6.875108/page-317#post-6960672]]> 2053 Does causality become relative in spacelike-separated entanglement measurements? Tue, 15 Sep 2026 16:57:32 +0000 https://www.physicsforums.com/threads/does-causality-become-relative-in-spacelike-separated-entanglement-measurements.1085302/ urn:xenforo:thread:1085302 invalid@example.com (Loptyur) Loptyur Hello everyone !

I am new on this forum and I am here because, while I was learning quantum mechanics, I have noticed something strange.
Indeed, if we take a pair of entangled particules, we know the measures of these two particules are correlated. But if the interval between these measures is...

Read more]]> 12 PF Style 2026 Tue, 15 Sep 2026 14:06:44 +0000 https://www.physicsforums.com/threads/pf-style-2026.1085732/ urn:xenforo:thread:1085732 invalid@example.com (Greg Bernhardt) Greg Bernhardt PF style 2026 has been released. It's a warmer, more modern and academic theme. Please thread in your feedback and suggestions. I'll be making numerous tweaks over the coming weeks. We have a dark style to try out. If you select system in the mode selector it will sync with your system...

Read more]]> 271 What does "iron peak" mean in the collapse of a critical mass iron core? Tue, 15 Sep 2026 13:57:06 +0000 https://www.physicsforums.com/threads/what-does-iron-peak-mean-in-the-collapse-of-a-critical-mass-iron-core.1086243/ urn:xenforo:thread:1086243 invalid@example.com (GIASAL) GIASAL The collapse of the critical-mass iron core accelerates rapidly. This runaway is driven principally by photodissociation of iron-peak nuclei, Fe(γ, α), and by electron captures

What does "iron peak" mean?]]> 5 What if c is variable rather than constant? Tue, 15 Sep 2026 13:27:48 +0000 https://www.physicsforums.com/threads/what-if-c-is-variable-rather-than-constant.1086225/ urn:xenforo:thread:1086225 invalid@example.com (Azhar) Azhar What if c is not constant,example:
c_2=c+1000 km/s
v_1=c_2
v_2=c

(v_1+v_2)÷(1+v_1×v_2÷c_2²)
The result is c_2 so to calculate particle that the velocity is more than light the limit should be more than light too,maybe particle that travel faster than light is not impossible but doesn't exist in...

Read more]]> 14 LHC found no supersymmetry any alternatives to string theory Tue, 15 Sep 2026 01:54:34 +0000 https://www.physicsforums.com/threads/lhc-found-no-supersymmetry-any-alternatives-to-string-theory.1086198/ urn:xenforo:thread:1086198 invalid@example.com (kodama) kodama in the 19th and 20th century physicists were looking for the luminous aether and the Michelson Morley experiment found no evidence for aether

ultimately it was Einstein and his special relativity that got rid of the luminous aether

in the 21st century physicists were looking for evidence of...

Read more]]> 12 Hello everyone! Looking for information about solving strange things! Mon, 14 Sep 2026 21:44:03 +0000 https://www.physicsforums.com/threads/hello-everyone-looking-for-information-about-solving-strange-things.1086229/ urn:xenforo:thread:1086229 invalid@example.com (shooter64738) shooter64738 Hello all!
My name is Jeff, and let me start by saying I am NOT a physicist, and not that great of a mathematician either. I've been curious about the universe since I was a kid.

I don't have a degree, and I had some ideas about physics but I don't know if they are really things that work out...

Read more]]> 11 A deep discrepancy between the classical and quantum models of ##L## Mon, 14 Sep 2026 19:28:12 +0000 https://www.physicsforums.com/threads/a-deep-discrepancy-between-the-classical-and-quantum-models-of-l.1086233/ urn:xenforo:thread:1086233 invalid@example.com (hokhani) hokhani Take as an example the quantum state ##\gamma_{3,3}## of angular momentum where ##\vec{L}## makes the angle ##\frac{\pi}{6}## with ##z-## axis. This angular momentum state in classical model, describes a circular motion in a plane perpendicular to ##\vec{L}##. So, in all the possible motions...

Read more]]> 13 New understanding of the eigenvalues of the harmonic oscillator Mon, 14 Sep 2026 15:05:08 +0000 https://www.physicsforums.com/threads/new-understanding-of-the-eigenvalues-of-the-harmonic-oscillator.1086240/ urn:xenforo:thread:1086240 invalid@example.com (tiger2012) tiger2012 The eigenvalues of the HO can be obtained by counting your fingers.

https://doi.org/10.1119/5.0332743 (Editor's pick of AJP)

A hidden upper triangular structure was noticed in the paper above. With this insight, the eigenvalues of the harmonic oscillator can be obtained immediately...

Read more]]> 1 Harvard Goes Psychedelic Mon, 14 Sep 2026 14:24:29 +0000 https://www.physicsforums.com/threads/harvard-goes-psychedelic.1086241/ urn:xenforo:thread:1086241 invalid@example.com (Hornbein) Hornbein https://mahindrahumanities.harvard....elic-literature-conversation-elastic-magazine

Harvard's Psychedelics in Society and Culture program supports Elastic magazine. This issue circles the porousness of the self, ecological entanglements, and how strange and...

Read more]]> 0 Latest Notable AI accomplishments Mon, 14 Sep 2026 14:18:01 +0000 https://www.physicsforums.com/threads/latest-notable-ai-accomplishments.937195/ urn:xenforo:thread:937195 invalid@example.com (gleem) gleem Developments in AI and machine learning continue to progress at a rate that may be surprising and not just in playing games but in pattern recognition and image analysis in medicine, astronomy and business. One of the challenges to AI is effective natural language processing. Last week both...

Read more]]> 120 AI Go is Not a Crowd Pleaser Mon, 14 Sep 2026 13:45:16 +0000 https://www.physicsforums.com/threads/ai-go-is-not-a-crowd-pleaser.1086239/ urn:xenforo:thread:1086239 invalid@example.com (Hornbein) Hornbein It turns out that AI Go is so incomprehensible to Go fans that no one watches it.

When DeepMind released the 50 AlphaGo vs AlphaGo games in 2017, the Go world was ecstatic. But that enthusiasm didn't last long. Soon, professional players realized they were watching an alien species play a...

Read more]]> 0