Physics and Mathematics

2,516 topics in this forum

1. Turning Effects of Force

   By kpeace5, November 30, 2020
   • 0 replies
   • 665 views
   • 
   • kpeace5
   • November 30, 2020

2. Neutron Star Astrochemistry

   By Anchovyforestbane, November 17, 2020   

   • astrochemistry
   • astrophysics
   • 0 replies
   • 568 views
   • 
   • Anchovyforestbane
   • November 17, 2020

3. Geometry of Pasta

   By Anchovyforestbane, November 17, 2020   

   • 3d geometry
   • surface area
   • (and 1 more)

     Tagged with:

     • 3d geometry
     • surface area
     • volumetry
   • 0 replies
   • 555 views
   • 
   • Anchovyforestbane
   • November 17, 2020

4. Spin of a Particle?

   By Anchovyforestbane, November 11, 2020   

   • nuclear physics
   • angular momentum
   • 0 replies
   • 550 views
   • 
   • Anchovyforestbane
   • November 11, 2020

5. General Relativity: Energy Density and Gravity's Force

   By Vmedvil2, November 5, 2020
   • 0 replies
   • 814 views
   • 
   • Vmedvil2
   • November 5, 2020

6. Smooth Earth 1 2

   By Anchovyforestbane, October 23, 2020   

   • conceptual physics
   • 3d geometry
   • (and 1 more)

     Tagged with:

     • conceptual physics
     • 3d geometry
     • geodesic mathematics
   • 17 replies
   • 2.2k views
   • 
   • Anchovyforestbane
   • November 2, 2020

7. Christoffel Notation

   By Anchovyforestbane, October 14, 2020
   • 3 replies
   • 730 views
   • 
   • Vmedvil2
   • October 17, 2020

8. Stability of the Hydrogen Atom 1 2

   By Mike C, November 2, 2007
   • 31 replies
   • 5.2k views
   • 
   • OceanBreeze
   • October 9, 2020

9. Congratulations Roger Penrose, Reinhard Genzel and Andrea Ghez for the Nobel Prize in Physics 2020

   By Mutex, October 7, 2020   

   • https://www.reuters.com/article/nobel-prize-physics-int-iduskbn26r1ng
   • 0 replies
   • 611 views
   • 
   • Mutex
   • October 7, 2020

10. Heat Transfer in Tyres

    By Raamesh, October 2, 2020
    • 1 reply
    • 594 views
    • 
    • OceanBreeze
    • October 5, 2020

11. Does Quantum Mechanics Mean There Is A Finite Number Of Colours?

    By Omnifarious, September 10, 2020   

    • photons
    • atoms
    • (and 5 more)

      Tagged with:

      • photons
      • atoms
      • light
      • wavelengths
      • colours
      • photoelectric
      • photoelectrons
    • 13 replies
    • 1.6k views
    • 
    • Mutex
    • September 16, 2020

12. Seemingly Unnamed Toroid(?) Structure

    By Anchovyforestbane, September 11, 2020   

    • 3D geometry
    • 9 replies
    • 1.5k views
    • 
    • Dubbelosix
    • September 15, 2020

13. Seemingly Unnamed Apeirohedron

    By Anchovyforestbane, September 11, 2020   

    • 3D geometry
    • 10 replies
    • 1k views
    • 
    • Turtle
    • September 13, 2020

14. Multiple Timelines And The Strong Nuclear Force

    By Vmedvil2, September 10, 2020
    • 0 replies
    • 540 views
    • 
    • Vmedvil2
    • September 10, 2020

15. Nonchalance Force Vs Kinetic Momentum

    By Dubbelosix, September 9, 2020
    • 1 reply
    • 544 views
    • 
    • Dubbelosix
    • September 9, 2020

16. Maths And Self-Defence: Does My Formula Make Mathematical Sense?

    By Wannabelifeguard, August 30, 2020
    • 6 replies
    • 942 views
    • 
    • ScienceAndUniverse
    • September 9, 2020

17. Photons Repulsions

    By Simon4159870717, September 7, 2020   

    • diffraction
    • 0 replies
    • 908 views
    • 
    • Simon4159870717
    • September 7, 2020

18. Nikola Tesla Vs. The Second Law Of Thermodynamics 1 2 3 4 6

    By TomBooth, August 9, 2020
    • 91 replies
    • 8.2k views
    • 
    • Dubbelosix
    • August 31, 2020

19. An Unexpected Discovery

    By Dubbelosix, August 24, 2020
    • 7 replies
    • 1.4k views
    • 
    • Dubbelosix
    • August 28, 2020

20. The Einstain-Energy Drop

    By Dubbelosix, August 20, 2020
    • 4 replies
    • 873 views
    • 
    • Dubbelosix
    • August 21, 2020

21. Michelson Morley And Gravitational Lensing Question 1 2 3

    By engcat, July 2, 2020
    • 47 replies
    • 3.7k views
    • 
    • marcospolo
    • August 21, 2020

22. I(1 To 24)?

    By Frogger, August 21, 2020
    • 0 replies
    • 2k views
    • 
    • Frogger
    • August 21, 2020

23. Three Air Tight Reasons Why No Object Can Ever Reach An Event Horizon 1 2 3 4 12

    By A-wal, March 26, 2019   

    • General Relativity
    • Black Holes
    • 192 replies
    • 14.2k views
    • 
    • Dubbelosix
    • August 18, 2020

24. Essay: Explaining Cosmology

    By arkain101, December 22, 2008
    • 8 replies
    • 6.2k views
    • 
    • arkain101
    • August 14, 2020

25. Particles And The Wave

    By Dubbelosix, July 20, 2020
    • 4 replies
    • 890 views
    • 
    • Dubbelosix
    • August 12, 2020