Physics and Mathematics

2,416 topics in this forum

1. Speed of Light (again...)

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

2. E=mcc (again....)

   By Pseudoscientist, January 28
   • 2 replies
   • 259 views
   • 
   • CountryBoy
   • January 31

3. awesome prime constant

   By phillip1882, January 31
   • 0 replies
   • 108 views
   • 
   • phillip1882
   • January 31

4. The Thorium Cycle And Carbon Fusion

   By Vmedvil, February 26, 2018
   • 7 replies
   • 1.9k views
   • 
   • VictorMedvil
   • January 23

5. Time Substance Concentration.

   By TiffanyMariokart, January 4
   • 7 replies
   • 444 views
   • 
   • VictorMedvil
   • January 11

6. What does this mean?

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

7. Is this a hard question?

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

8. 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
   • 705 views
   • 
   • MasterOgon
   • December 31, 2020

9. The Actual Solution To The Ehrenfest Paradox (Relativistic Spinning Disk) 1 2

   By AnssiH, July 21, 2020   

   • Ehrenfest Paradox
   • Special Relativity
   • (and 1 more)

     Tagged with:

     • Ehrenfest Paradox
     • Special Relativity
     • Spinning Disk
   • 31 replies
   • 1.6k views
   • 
   • AnssiH
   • December 28, 2020

10. String Theory solved

    By physicxstrings, December 11, 2020
    • 0 replies
    • 187 views
    • 
    • physicxstrings
    • December 11, 2020

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

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

12. Turning Effects of Force

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

13. Neutron Star Astrochemistry

    By Anchovyforestbane, November 17, 2020   

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

14. Geometry of Pasta

    By Anchovyforestbane, November 17, 2020   

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

      Tagged with:

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

15. Spin of a Particle?

    By Anchovyforestbane, November 11, 2020   

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

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

    By VictorMedvil, November 5, 2020
    • 0 replies
    • 312 views
    • 
    • VictorMedvil
    • November 5, 2020

17. 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
    • 718 views
    • 
    • Anchovyforestbane
    • November 2, 2020

18. Christoffel Notation

    By Anchovyforestbane, October 14, 2020
    • 3 replies
    • 298 views
    • 
    • VictorMedvil
    • October 17, 2020

19. Stability of the Hydrogen Atom 1 2

    By Mike C, November 2, 2007
    • 31 replies
    • 3.8k views
    • 
    • OceanBreeze
    • October 9, 2020

20. 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
    • 204 views
    • 
    • Mutex
    • October 7, 2020

21. Heat Transfer in Tyres

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

22. electricity Electricity flows in an open circuit, too 1 2

    By MitkoGorgiev, September 27, 2020   

    • electromagnetism
    • electric current
    • 17 replies
    • 516 views
    • 
    • MitkoGorgiev
    • September 30, 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
    • 588 views
    • 
    • Mutex
    • September 16, 2020

24. Seemingly Unnamed Toroid(?) Structure

    By Anchovyforestbane, September 11, 2020   

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

25. Seemingly Unnamed Apeirohedron

    By Anchovyforestbane, September 11, 2020   

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