Physics and Mathematics

2,517 topics in this forum

1. 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
   • 2.8k views
   • 
   • MasterOgon
   • December 31, 2020

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

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

3. Turning Effects of Force

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

4. Neutron Star Astrochemistry

   By Anchovyforestbane, November 17, 2020   

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

5. Geometry of Pasta

   By Anchovyforestbane, November 17, 2020   

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

     Tagged with:

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

6. Spin of a Particle?

   By Anchovyforestbane, November 11, 2020   

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

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

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

8. 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
   • 2.3k views
   • 
   • Anchovyforestbane
   • November 2, 2020

9. Christoffel Notation

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

10. Stability of the Hydrogen Atom 1 2

    By Mike C, November 2, 2007
    • 31 replies
    • 5.3k views
    • 
    • OceanBreeze
    • October 9, 2020

11. 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
    • 629 views
    • 
    • Mutex
    • October 7, 2020

12. Heat Transfer in Tyres

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

13. 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
    • 1.7k views
    • 
    • Mutex
    • September 16, 2020

14. Seemingly Unnamed Toroid(?) Structure

    By Anchovyforestbane, September 11, 2020   

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

15. Seemingly Unnamed Apeirohedron

    By Anchovyforestbane, September 11, 2020   

    • 3D geometry
    • 10 replies
    • 1.1k views
    • 
    • Turtle
    • September 13, 2020

16. Multiple Timelines And The Strong Nuclear Force

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

17. Nonchalance Force Vs Kinetic Momentum

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

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

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

19. Photons Repulsions

    By Simon4159870717, September 7, 2020   

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

20. An Unexpected Discovery

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

21. The Einstain-Energy Drop

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

22. Michelson Morley And Gravitational Lensing Question 1 2 3

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

23. I(1 To 24)?

    By Frogger, August 21, 2020
    • 0 replies
    • 2.1k views
    • 
    • Frogger
    • August 21, 2020

24. 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
    • 14.5k views
    • 
    • Dubbelosix
    • August 18, 2020

25. Essay: Explaining Cosmology

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