It seems that predicting the energy density of empty space should be a simple thing, yet it turns out that the two best theories of modern physics (the standard model and the general theory of relativity) make staggeringly different predictions. In this video, Fermilab’s Dr. Don admits to this dirty little secret of physics.

Dark energy video:
https://www.youtube.com/watch?v=THT_BAdKe6g

Quantum foam video:
https://www.youtube.com/watch?v=nYDokJ2A_vU

Video talking about why the Planck length is the shortest length consistent with the standard model:
https://www.youtube.com/watch?v=rzB2R_qiC28

Possible answers:
https://www.scientificamerican.....com/article/the-cos

Fermilab physics 101:
https://www.fnal.gov/pub/scien....ce/particle-physics-

Fermilab home page:
https://fnal.gov

What is the deepest level of reality? In this Quanta explainer, Vijay Balasubramanian, a physicist at the University of Pennsylvania, takes us on a journey through space-time to investigate what it’s made of, why it’s failing us, and where physics can go next.

Explore black holes, holograms, “alien algebra,” and more space-time geometry: https://www.quantamagazine.org..../the-unraveling-of-s

00:00 - The Planck length, an intro to space-time
1:23 - Descartes and Newton investigate space and time
2:04 - Einstein's special relativity
2:32 - The geometry of space-time and the manifold
3:16 - Einstein's general relativity: space-time in four dimensions
3:35 - The mathematical curvature of space-time
4:57 - Einstein's field equation
6:04 - Singularities: where general relativity fails
6:50 - Quantum mechanics (amplitudes, entanglement, Schrödinger equation)
8:32 - The problem of quantum gravity
9:38 - Applying quantum mechanics to our manifold
10:36 - Why particle accelerators can't test quantum gravity
11:28 - Is there something deeper than space-time?
11:45 - Hawking and Bekenstein discover black holes have entropy
13:54 - The holographic principle
14:49 - AdS/CFT duality
16:06 - Space-time may emerge from entanglement
17:44 - The path to quantum gravity

--------
- VISIT our website: https://www.quantamagazine.org
- LIKE us on Facebook: / quantanews
- FOLLOW us Twitter: / quantamagazine

Quanta Magazine is an editorially independent publication supported by the Simons Foundation: https://www.simonsfoundation.org

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JSMU 2014 Past Paper: https://youtu.be/ehzuOpXGAC8
JSMU 2018 Past Paper: https://youtu.be/f_C2sWOgb0A
Kips MCQs: https://youtu.be/K5LMud9HVl4
Kips (Force and Mation): https://youtu.be/TaURQbOim6M

Attention MDCAT 2023 aspirants! If you're gearing up for the upcoming Medical and Dental College Admission Test (MDCAT), you're in the right place. In this video, we'll be focusing exclusively on Physics MCQs tailored for the MDCAT test 2023.

🔍 What's Inside:
Get ready for a comprehensive session where we'll be breaking down and solving all the Physics Formulas of MDCAT Syllabus

💡 Mastering Concepts:
As we go through each MCQ, we won't simply provide answers. Our primary focus is to ensure you grasp the underlying concepts. With a thorough explanation of the solutions, you'll be equipped to tackle similar questions on your own during the actual exam.

📚 Key Topics Covered:
From Mechanics to Optics, from Electricity to Thermodynamics, we'll cover the core topics essential for MDCAT 2023. Expect a well-rounded understanding of the Physics section to enhance your exam readiness.

Like & Subscribe for more !!

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The Schrödinger Equation is the key equation in quantum physics that explains how particles in quantum physics behave. You wanna know where your electron is going to go? That’s the Schrödinger equation you’ll need.

So why does it look so complicated? Well it’s because in quantum physics, when you are describing what a thing like an electron will do, it doesn’t follow the rules of particles it follows the rules of waves, and that’s what these psi’s are, they are wave functions.

Okay so an electron is a wave, and a wave can evolve in space and in time, but it can’t evolve in any old way, there are constraints about how it can evolve, and those constraints? That’s what the Schrödinger equation is telling us.

It says that over time the total energy has to stay the same. And this total energy is made of the kinetic energy, and potential energy. An example of a potential energy for an electron is just being in an atom.

So if you want to see what a quantum object will do in the future, you need to find the wave function that will satisfy all these bits of the Schrödinger equation.

#quantum #physics #DomainOfScience

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Ashby School Physics Department presents the '21 GCSE Physics Equations Song'

✓Pdf website link of All Trigonometry formulas :https://inandout3831.wixsite.c....om/crackcomplive-1/p

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✓pdf drive link of Trigonometry formulas :https://drive.google.com/file/....d/1BZ2F55QXrS2Ac80Qq


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✓pdf Telegram link of this Trigonometry formulas: https://t.me/inandoutfacts/31.



✓Agar kisi ko bottom ka formula nhi dikh raha hai to niche diye gaye link par jayen. https://youtube.com/shorts/axY....4PO0s5oo?feature=sha .



all trigonometry formulas of 11th class.
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✓Part1 ll All 11th Trigonometry formulas PROOF/ Derivation :https://youtu.be/5izpXIjpAaA

✓Part2 ll Proof of Sin(A-B)&Cos(A-B)ll All Trigo formulas of 11th: https://youtu.be/H3vt8iElL4c

✓Part 3 ll Proof of tan(A+B) & tan(A-B) ll All Trigo formulas Proof: https://youtu.be/kvbi1Io010k
____________________________________________

I hope that you shall like this trigonometry formulas of 11th class. For this type of video , please keep watching my videos and support my youtube channel in and out facts. if it has any problem then suggest me to write comment in comment box. Also you all can check my facts videos and others. please like share subscribe and support my youtube channel in and out facts. Thanks for watching. Take care yourself and yours families.

Know how to improve the performance in Physics questions, how to prepare for physics paper with good speed and accuracy to get high marks in target NEET examination. The essential tips by NEET UG 2022 all India Topper AIR-1 Tanishka.

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Trick to remember physical quantities
units and measurements

In this video, we are going to share an easy and super trick to help you remember units of measurement effortlessly! Whether it's grams, liters, meters, or any other unit, this trick will make it a breeze for you to master them all. Say goodbye to confusing conversions and hello to a simple method that will stick with you for a lifetime. Watch till the end to discover the secret and start acing your measurements like a pro!

Don't forget to like and subscribe for more helpful tips and tricks!
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