Modern and Theoretical Physics

Planck units like the mass and length come up all over the place in modern physics---they are not the only system, there are other convenient special purpose units, but they are worth getting familiar with. Using the google calculator we can take a kind of almost experimental approach to planck units, explore, build up our concepts, try them out. It is easy---a few posts will show what I mean. So here's a brief tutorial. 1. get to know hbar (Planck's constant) Think of hbar as being the product of amounts of energy and time. Check that by typing things like this into google hbar/minute hbar/year It will give you answers in energy terms----small amounts …

Theory of Nature: Unified Properties of Magnetism, Electricity, and Light "I have turned this page into a discussion so that everyone can respond. From my physics research paper" "In this page, I am not going to express my own opinion or objection, because I should not determine the direction of the discussion's flow."

Ive been off and on watching for papers researching the hubble contention between early and late time measurements. Figured I would share this interesting article here. https://arxiv.org/abs/2408.06153 One of the factors involved being Leavitts law https://www.astro.gsu.edu/lab/website/4LeavittLab-1.pdf The main point however is the paper expresses no new physics is required and supports the need for tighter constraints on luminosity to distance relations including tighter calibrations. Last link above is just a quick overview of the law. Below is a more recent calibration papers. https://arxiv.org/abs/2509.16331 A simplistic way of describing the law is The longer the pe…

Tachyons are hypothetical particles that can travel faster than the speed of light. Einstein’s theory of relativity does not allow these types of particles as that theory deems c or the speed of light, the absolute speed any particle can go. To overcome this loophole, Tachyons have masses that are of imaginary numbers or numbers that are the square root of negative numbers. Another theory is that tachyons have spacelike four momentum instead of the normal timelike four momentum. The theory why tachyons can travel beyond the speed of light is because it is the exact opposite of normal particles. As the velocity of normal particles reach closer and closer to the speed of li…

Hey everyone! 👋 What are the possibilities of using AI and physics-informed learning methods to analyze physical data? 🤔 How can this approach help uncover physical laws, especially when data is random or sparse? ⚡ Would love to hear your thoughts! 💬 #Physics #DataScience #MachineLearning #PhysicsDiscovery

If 3 axles divided a sphere would it maintain free energy? 270degrees/180=1.5

I’m wondering if anyone here has followed the Wolfram Physics Project? If so, what are your thoughts on it? The text in the link is a long-ish read, but well worth it. When I first heard of this I didn’t think much of it, but I must admit that the idea has really been growing on me. It’s a fascinating approach to a TOE (if one can call it that), and those of you who have known me for a while will notice that it contains many of the elements I have been advocating for some time now, such as chaos/complexity, graph theory etc. And some of the preliminary results are tantalising. I know this thing isn’t so popular in most of the physics world, but I’m curious to he…

Hello everyone. This was seen on a Facebook group . Any comments/expertise are welcome. A Quantum phase space-based approach to unification The theory of relativity unifies space and time through the concept of spacetime, and changes of reference frames are described by Lorentz transformations, which "mix space and time." In this unification approach, energy-momentum is unified with spacetime through the concept of quantum phase space, and changes of reference frames are described with linear canonical transformations, which "mix energy-momentum and spacetime. " The concept of phase space originates from the Hamiltonian analytical formulation of classical mechanics. This …

So far the largest element we as humans have made is oganesson, with 119 protons and electrons. But we can go bigger. The question is, how much bigger? Can we do 120 protons? 200? 1000? I'm just curious because because I haven't read much on the laws of general relativity and I'm bored It's been like 4 years since my last post 💀 I can merge replies???? When did that happen?

I found on Stackexchange -physics this paradox that undermines physics by exposing a fundamental disconnect between the logic that underpin physical theories of reality https://physics.stackexchange.com/questions/848867/the-dean-paradox-undermines-physics-by-exposing-a-fundamental-disconnect-between

Hello everyone, I recently heard about the concept of "celestial holography". The sentence that first caught my attention with this notion is the following: "Celestial holography proposes that our universe can be understood as a projection on the night sky" (found in this link : https://www.pppl.gov/events/2024/colloquium-celestial-hologram-stargazing-quantum-gravity-and-back). I would therefore like to ask for more explanations (if anyone knows more) or simply opinions related to this concept and its possible applications and importance for physics. Thanks

The article describes some experiments conducted at the KR-2024 inertial fusion facility. This installation has a plasma compression ratio of more than 1000 MPa. The thermonuclear fuel is specially upgraded cooled water, which is injected into the reactor core. In October 2024, an experimental inertial fusion facility KR-2024 (hereinafter KR-2024) was built in the city of Wenzhou (China). This installation was developed based on a series of scientific experiments conducted from December 2023 to August 2024. During the operation of KR-2024, its modernization was carried out, the time range of fuel injection was revealed, and the time range of operation of th…

I am interested in studying physics and research in String Theory. String theory is interesting to me, but I've also read that there isn't any experimental support for the theory yet and many physicists doubt the theory. Still, the idea of unifying all particles into a single string and all forces into one force is appealing.

When a mass is moving at high enough velocities, time slows down. Why is only forward slowing motion allowed through spacetime? I'm no mathematician but I thought Newton's & Einstein's equations were time reversible as a consequence of t^2 Wave functions in quantum mechanics evolve in a reversible deterministic manner unless a measurement alters the behavior irreversible. So if your spaceship had a invisibility cloak, no measuring devices, you wore a blindfold and somehow mastered a conscious telepathic connection to pilot the ship, could you travel the backwards arrow in time? If so would this only be measurable by a clock or would our pilot …

Hi everyone, I would like to ask for opinions/expertises on the relations between quarks, leptons and spin representation of linear canonical transformations (LCTs) as described in this link https://en.m.wikipedia.org/wiki/Linear_canonical_transformation". Please find below a picture describing this relation as taken from the link. Thank you in advance

Saw this on the Fediverse so also sharing here, sounds pretty good to me, and if this gives more institutions access to anti matter for research that is a good thing. The most dangerous delivery truck? How a lorry-load of antimatter will help solve secrets of universe https://www.theguardian.com/science/2024/dec/08/cern-antimatter-secrets-universe-science Does anyone know where more information can be found about this, Or can they share if anything is found. Hope this is interesting anyway Paul

"In a cutting-edge development, that has sent shockwaves through the scientific community, researchers at University College London (UCL) have unveiled a radical theory that seeks to reconcile two pillars of modern physics – quantum mechanics and Einstein's general theory of relativity." Most of this is beyond me, but does anyone think this is a "cutting-edge development"? https://www.msn.com/en-us/news/technology/revolutionary-new-theory-finally-unites-quantum-mechanics-and-einstein-s-theory-of-general-relativity/ar-AA1sKLme?ocid=msedgdhp&pc=U531&cvid=8f705b996d7b40b5b2e77ece1cfecc61&ei=35#

The 'Flash' television series/ comics offer an imaginative portrayal of the multiverse, featuring a diverse range of alternate realities—Earth-2, Earth-19, and beyond—each with unique adaptations of familiar characters, altered histories, and differing physical laws. In the show, these alternate Earths are interconnected through a conceptual framework involving breaches, vibrating frequencies, and the Speed Force, enabling characters to traverse these parallel worlds. The series explores intriguing possibilities, depicting alternate versions of the same characters and events, introducing variations in their personalities, backgrounds, and interactions, thus creating a ric…

Hi, I am a long time lurker and I first want to thank this community for how much i have learned. One thing that has truly fascinated me in modern physics is the work with cpt symmetry. mind you i am an engineer that does this as a hobby so please forgive me if i make any mistakes. I would like to be able to design a macroscale experiment to test these applications, more specifically i would like to test macroscale quantum effects. I would first just like your opinions on how best you think I should go down this road to test this experiment. another test I would like to incorporate is soliton waves in water. from what I have read it appears …

Why is the Universe there if it is nothing - as I claim it is? Well, there is one single relation that makes a difference, nothing is reluctantly exposed without real something (anti-nothing) in the Universe! And it will try to avoid that - static awareness - by gradually disappearing - active unawareness (sleep) - from/as itself again! Now with a static launch. The conditions are not easy to maintain though, with nothing becoming more alone again - without a static launch. The exposure will then take over again - nothing will wake up to a new 24-hour or a first particle/'quantum’. Nothing will continue this dynamic shift with a lightspeed fast (re-)production of new fu…

Then which of the remaining fundamental forces manifest as degeneracy pressure, and what, if any, is the force carrying particle? Sorry, I did try to export this quote into a new topic, but I couldn't find the right button.

Hello everyone, I saw a very interesting video and I am confused. Can a monkey really write so accurately if given infinite time? Doesn't this prove the superiority of randomness over creativity?

I am trying to find how much force is generated when a cooled super conductor is hovering above a magnetic field. So let' s say 250 gram superconductor will have hoe many lift force whren it is hovering ? Or does the electric magnetic field on wich ot is hovering provides the lift force?

I always believed that stupid questions dont excist, just stupid answers. If In a closed alluminium cube with supercooled mercury at the top and a high performance electric magnetic field at the bottum. Will the upgoing lift "because it is in a closed space" lift the cube with mercury and the magnetic field generator and would that even be theoreticly possible or is the idea so unbelievable that it hasnt even been explored? Or put it in a tube rhe mercury and use the magnetic field to make the mercury lift to the top of tube (tube not filled full) and use the kinetic energy from the mercury hitting the top of tube to create lift gor the tube by pulsing t…

Relatively For Larger mass objects time passes slower meaning that the extremely small would be extremely hard to view for the extremely large due to time dilation (extremely fast) and for the extremely small it would be extremely hard to view things that are happening at the extremely large scale because of time dilation (happening to slow).. Mass displaces SpaceTime which forces SpaceTime to be compacted at the edges and when peering at that object from a distance we are peering through that compacted space-time which allows us to see it in the time relative to us but for that Mass object space time is actually expanding at a slower rate so in all actuality the compacti…