Physics and Mathematics

2,396 topics in this forum

1. LaTeX Fomulas: Math v2.0 1 2 3

   By alexander, May 12, 2006
   • 43 replies
   • 112.9k views
   • 
   • Dubbelosix
   • July 30, 2020

2. LaTeX update: Read this before posting! 1 2 3 4 7

   By alexander, July 5, 2007
   • 105 replies
   • 67.4k views
   • 
   • Tormod
   • September 11, 2010

3. The Thorium Cycle And Carbon Fusion

   By Vmedvil, February 26, 2018
   • 7 replies
   • 1.8k views
   • 
   • VictorMedvil
   • Saturday at 02:54 PM

4. Ralfativity

   By ralfcis, January 12
   • 7 replies
   • 221 views
   • 
   • ralfcis
   • January 18

5. 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
   • 52 replies
   • 2.3k views
   • 
   • sluggo
   • January 11

6. Time Substance Concentration.

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

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

   By sanctus, September 25, 2020
   • 9 replies
   • 337 views
   • 
   • CountryBoy
   • January 4

8. What does this mean?

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

9. Is this a hard question?

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

10. 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
    • 556 views
    • 
    • MasterOgon
    • December 31, 2020

11. 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
    • 1.2k views
    • 
    • AnssiH
    • December 28, 2020

12. String Theory solved

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

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

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

14. Turning Effects of Force

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

15. Relativity And Simple Algebra 1 2 3 4 77

    By ralfcis, February 9, 2019   

    • relativity
    • 1.3k replies
    • 42.9k views
    • 
    • OceanBreeze
    • November 24, 2020

16. Neutron Star Astrochemistry

    By Anchovyforestbane, November 17, 2020   

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

17. Geometry of Pasta

    By Anchovyforestbane, November 17, 2020   

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

      Tagged with:

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

18. Spin of a Particle?

    By Anchovyforestbane, November 11, 2020   

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

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

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

20. 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
    • 540 views
    • 
    • Anchovyforestbane
    • November 2, 2020

21. Christoffel Notation

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

22. Stability of the Hydrogen Atom 1 2

    By Mike C, November 2, 2007
    • 31 replies
    • 3.7k views
    • 
    • OceanBreeze
    • October 9, 2020

23. 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
    • 148 views
    • 
    • Mutex
    • October 7, 2020

24. Heat Transfer in Tyres

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

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

    By MitkoGorgiev, September 27, 2020   

    • electromagnetism
    • electric current
    • 17 replies
    • 424 views
    • 
    • MitkoGorgiev
    • September 30, 2020