Physics and Mathematics

2,508 topics in this forum

1. planet questions

   By phillip1882, March 2, 2021
   • 13 replies
   • 712 views
   • 
   • Motor Daddy
   • March 4, 2021

2. A simple local realist interpretation of quantum physics

   By AnssiH, February 20, 2021   

   • quantum mechanics
   • photons
   • (and 1 more)

     Tagged with:

     • quantum mechanics
     • photons
     • bell experiments
   • 4 replies
   • 978 views
   • 
   • AnssiH
   • February 22, 2021

3. What you don't know about gravity

   By dineth, February 9, 2021   

   • gravity
   • theory of gravity
   • (and 4 more)

     Tagged with:

     • gravity
     • theory of gravity
     • what is gravity
     • astronuts gravity
     • gravity of moon
     • lost gravity
   • 1 reply
   • 441 views
   • 
   • CountryBoy
   • February 9, 2021

4. This maybe a simple or the opposite type of question, what is this , "¹2"?

   By SirHope, February 3, 2021
   • 3 replies
   • 637 views
   • 
   • OceanBreeze
   • February 4, 2021

5. Speed of Light (again...)

   By Pseudoscientist, January 30, 2021
   • 4 replies
   • 697 views
   • 
   • CountryBoy
   • February 1, 2021

6. E=mcc (again....)

   By Pseudoscientist, January 28, 2021
   • 2 replies
   • 651 views
   • 
   • CountryBoy
   • January 31, 2021

7. awesome prime constant

   By phillip1882, January 31, 2021
   • 0 replies
   • 428 views
   • 
   • phillip1882
   • January 31, 2021

8. Time Substance Concentration.

   By TiffanyMariokart, January 4, 2021
   • 7 replies
   • 853 views
   • 
   • Vmedvil2
   • January 11, 2021

9. What does this mean?

   By Trithinium, December 31, 2020
   • 1 reply
   • 707 views
   • 
   • CountryBoy
   • January 4, 2021

10. Is this a hard question?

    By Trithinium, December 31, 2020
    • 2 replies
    • 769 views
    • 
    • OceanBreeze
    • January 2, 2021

11. Experimental research of flapping flight, unexplored aerodynamics phenomenon and the question of the effectiveness of a flying saucer

    By MasterOgon, October 18, 2020
    • 6 replies
    • 2.5k views
    • 
    • MasterOgon
    • December 31, 2020

12. Scientists create memory device the size of a single molecule

    By TheAngrySage, November 30, 2020
    • 1 reply
    • 617 views
    • 
    • TheAngrySage
    • November 30, 2020

13. Turning Effects of Force

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

14. Neutron Star Astrochemistry

    By Anchovyforestbane, November 17, 2020   

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

15. Geometry of Pasta

    By Anchovyforestbane, November 17, 2020   

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

      Tagged with:

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

16. Spin of a Particle?

    By Anchovyforestbane, November 11, 2020   

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

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

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

18. 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
    • 1.8k views
    • 
    • Anchovyforestbane
    • November 2, 2020

19. Christoffel Notation

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

20. Stability of the Hydrogen Atom 1 2

    By Mike C, November 2, 2007
    • 31 replies
    • 4.8k views
    • 
    • OceanBreeze
    • October 9, 2020

21. 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
    • 518 views
    • 
    • Mutex
    • October 7, 2020

22. Heat Transfer in Tyres

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

23. 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
    • 1.3k views
    • 
    • Mutex
    • September 16, 2020

24. Seemingly Unnamed Toroid(?) Structure

    By Anchovyforestbane, September 11, 2020   

    • 3D geometry
    • 9 replies
    • 1k views
    • 
    • Dubbelosix
    • September 15, 2020

25. Seemingly Unnamed Apeirohedron

    By Anchovyforestbane, September 11, 2020   

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