Physics and Mathematics

2,494 topics in this forum

1. How certain is our scientific knowledge? Honestly? 1 2 3 4

   By Omnifarious, November 10, 2020   

   • facts
   • knowledge
   • (and 2 more)

     Tagged with:

     • facts
     • knowledge
     • science
     • documenteries
   • 64 replies
   • 4.4k views
   • 
   • write4u
   • April 3, 2021

2. Is The Universe Mathematical? Revisiting My Small Number Hypothesis

   By Dubbelosix, March 29, 2021
   • 3 replies
   • 212 views
   • 
   • Dubbelosix
   • March 31, 2021

3. How can I find out all the gravity wave measurements that only relate to the diameter of the proton? 1 2

   By SirHope, March 28, 2021   

   • gravity waves measured against the diameter of the proton
   • measuring gravity waves
   • (and 3 more)

     Tagged with:

     • gravity waves measured against the diameter of the proton
     • measuring gravity waves
     • gravity waves
     • gravity
     • proton
   • 18 replies
   • 498 views
   • 
   • Dubbelosix
   • March 29, 2021

4. Fun math thing: how big will the rolled madrass be?

   By sanctus, September 25, 2020
   • 10 replies
   • 748 views
   • 
   • HallsofIvy
   • March 20, 2021

5. Want to learn basic maths

   By bayukutten, February 7, 2021
   • 6 replies
   • 469 views
   • 
   • bayukutten
   • March 11, 2021

6. planet questions

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

7. 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
   • 663 views
   • 
   • AnssiH
   • February 22, 2021

8. Fibonacci Sequence In Theoretical Physics 1 2

   By onionsoflove, March 8, 2011
   • 18 replies
   • 11k views
   • 
   • write4u
   • February 10, 2021

9. 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
   • 270 views
   • 
   • CountryBoy
   • February 9, 2021

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

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

11. Speed of Light (again...)

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

12. E=mcc (again....)

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

13. awesome prime constant

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

14. Time Substance Concentration.

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

15. What does this mean?

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

16. Is this a hard question?

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

17. 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
    • 1.6k views
    • 
    • MasterOgon
    • December 31, 2020

18. 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
    • 2.6k views
    • 
    • AnssiH
    • December 28, 2020

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

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

20. Turning Effects of Force

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

21. Neutron Star Astrochemistry

    By Anchovyforestbane, November 17, 2020   

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

22. Geometry of Pasta

    By Anchovyforestbane, November 17, 2020   

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

      Tagged with:

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

23. Spin of a Particle?

    By Anchovyforestbane, November 11, 2020   

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

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

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

25. 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
    • 1.3k views
    • 
    • Anchovyforestbane
    • November 2, 2020