Physics and Mathematics

2,509 topics in this forum

1. "dark Matter" Shouldn't Be "transparent Matter"?

   By martillo, July 22, 2020
   • 6 replies
   • 671 views
   • 
   • martillo
   • July 23, 2020

2. Gravitational Constant, Planck's Constant, The Number Fi -- A Secret Relationship.

   By nootelepat, June 28, 2020   

   • Gravitational constant
   • Planck constant
   • (and 2 more)

     Tagged with:

     • Gravitational constant
     • Planck constant
     • Fi Number
     • Moon
   • 8 replies
   • 1.2k views
   • 
   • nootelepat
   • July 22, 2020

3. Linking Curvature With Wave Mechanics

   By Dubbelosix, July 13, 2020
   • 9 replies
   • 691 views
   • 
   • Dubbelosix
   • July 14, 2020

4. What Is Zero Error Of A Measuring Instrument ?

   By DRACO, July 8, 2020   

   • errors and measurements
   • measurements
   • 0 replies
   • 618 views
   • 
   • DRACO
   • July 8, 2020

5. The Crank Obsession With Einstein Being Wrong?

   By Vmedvil2, May 27, 2020
   • 15 replies
   • 1k views
   • 
   • AnssiH
   • July 7, 2020

6. Can Quantum Particles Really Communicate In The Past?

   By DRACO, May 30, 2020   

   • quantum mechanics
   • 3 replies
   • 1.3k views
   • 
   • Mutex
   • June 30, 2020

7. Trigonometry (Law Of Cosines)

   By DRACO, June 21, 2020   

   • Trigonometry
   • law of cosines
   • 4 replies
   • 1.2k views
   • 
   • sluggo
   • June 23, 2020

8. Speed Of Light Is Not Always The Fastest!

   By ScienceAndUniverse, June 19, 2020   

   • speed of light
   • 3 replies
   • 895 views
   • 
   • Vmedvil2
   • June 22, 2020

9. What Is This Bizarre Quantum Mechanics They Talk About?

   By Parker99, January 7, 2020
   • 8 replies
   • 1.4k views
   • 
   • KeshavGulati
   • June 17, 2020

10. Does It Make Sense To Say That Something Is Almost Infinite? If Yes, Then Why? 1 2

    By DRACO, June 10, 2020   

    • mathematics
    • 20 replies
    • 2.4k views
    • 
    • Mutex
    • June 16, 2020

11. A Challenge For The Brave And The Wise

    By fingerguns00, June 13, 2020   

    • physics
    • quantum mechanics
    • (and 3 more)

      Tagged with:

      • physics
      • quantum mechanics
      • quantum field theory
      • millenium prize
      • qft
    • 3 replies
    • 1.2k views
    • 
    • balagna
    • June 14, 2020

12. Understanding Electrical Potential Energy

    By iochoa2020, June 13, 2020   

    • Electrical Potential Energy
    • 0 replies
    • 730 views
    • 
    • iochoa2020
    • June 13, 2020

13. Think Of A Body Which Is At Rest But Not In Equilibrium. Give Explanation As Well As Figure/diagram.

    By DRACO, June 11, 2020   

    • equilibrium
    • physics
    • 4 replies
    • 1.3k views
    • 
    • OceanBreeze
    • June 12, 2020

14. Free Falling Temperature Experiment

    By Simon4159870717, June 6, 2020   

    • experiment design
    • 0 replies
    • 684 views
    • 
    • Simon4159870717
    • June 6, 2020

15. Man Over Board - Some Injured, Some Die, Some Are Fine. Why?

    By Wannabelifeguard, May 16, 2020
    • 2 replies
    • 843 views
    • 
    • Turtle
    • May 30, 2020

16. I Know Why Primes Are Primes

    By pittsburghjoe, May 14, 2020   

    • prime numbers
    • 9 replies
    • 1.1k views
    • 
    • pittsburghjoe
    • May 28, 2020

17. All Energy Hypothesis

    By Simon4159870717, May 27, 2020
    • 1 reply
    • 1.1k views
    • 
    • Vmedvil2
    • May 27, 2020

18. Do Photons, Phonons And Electrons Have Mass?

    By DRACO, May 26, 2020
    • 2 replies
    • 968 views
    • 
    • GAHD
    • May 26, 2020

19. Is Heisenberg's Uncertainty From Variables That Are Random And Not Correlating? Does Decoherence Stabilize The Variables?

    By pittsburghjoe, May 23, 2020   

    • Uncertainty
    • Cauchy-Schwartz
    • (and 3 more)

      Tagged with:

      • Uncertainty
      • Cauchy-Schwartz
      • decoherence
      • physcial
      • classical
    • 4 replies
    • 1.1k views
    • 
    • pittsburghjoe
    • May 26, 2020

20. Quantum Cascade Laser

    By helloworld, May 24, 2020   

    • laser
    • 0 replies
    • 610 views
    • 
    • helloworld
    • May 24, 2020

21. What Is The Meaning Behind Multiplication In Physics?

    By DRACO, May 22, 2020   

    • physics
    • maths
    • 2 replies
    • 1.2k views
    • 
    • DRACO
    • May 23, 2020

22. Oh Look, Another Galaxy That Shouldn't Be There

    By A-wal, May 21, 2020
    • 4 replies
    • 1k views
    • 
    • Vmedvil2
    • May 23, 2020

23. Youtube Physics Degree List

    By Vmedvil2, May 20, 2020
    • 0 replies
    • 712 views
    • 
    • Vmedvil2
    • May 20, 2020

24. Modern Physics Lectures, Phys 260

    By Vmedvil2, May 20, 2020
    • 6 replies
    • 835 views
    • 
    • Vmedvil2
    • May 20, 2020

25. Electricity And Magnetism Lectures, Phys 251

    By Vmedvil2, May 20, 2020
    • 7 replies
    • 838 views
    • 
    • Vmedvil2
    • May 20, 2020