Physics and Mathematics

2,418 topics in this forum

1. What Is Zero Error Of A Measuring Instrument ?

   By DRACO, July 8, 2020   

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

2. The Crank Obsession With Einstein Being Wrong?

   By VictorMedvil, May 27, 2020
   • 15 replies
   • 279 views
   • 
   • AnssiH
   • July 7, 2020

3. Can Quantum Particles Really Communicate In The Past?

   By DRACO, May 30, 2020   

   • quantum mechanics
   • 3 replies
   • 643 views
   • 
   • Mutex
   • June 30, 2020

4. Trigonometry (Law Of Cosines)

   By DRACO, June 21, 2020   

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

5. Speed Of Light Is Not Always The Fastest!

   By ScienceAndUniverse, June 19, 2020   

   • speed of light
   • 3 replies
   • 441 views
   • 
   • VictorMedvil
   • June 22, 2020

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

   By Parker99, January 7, 2020
   • 10 replies
   • 847 views
   • 
   • KeshavGulati
   • June 17, 2020

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

   By DRACO, June 10, 2020   

   • mathematics
   • 28 replies
   • 1.1k views
   • 
   • Mutex
   • June 16, 2020

8. 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
   • 498 views
   • 
   • balagna
   • June 14, 2020

9. Understanding Electrical Potential Energy

   By iochoa2020, June 13, 2020   

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

10. 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
    • 555 views
    • 
    • OceanBreeze
    • June 12, 2020

11. Free Falling Temperature Experiment

    By Simon4159870717, June 6, 2020   

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

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

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

13. I Know Why Primes Are Primes

    By pittsburghjoe, May 14, 2020   

    • prime numbers
    • 9 replies
    • 539 views
    • 
    • pittsburghjoe
    • May 28, 2020

14. All Energy Hypothesis

    By Simon4159870717, May 27, 2020
    • 1 reply
    • 348 views
    • 
    • VictorMedvil
    • May 27, 2020

15. Do Photons, Phonons And Electrons Have Mass?

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

16. 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
    • 501 views
    • 
    • pittsburghjoe
    • May 26, 2020

17. Quantum Cascade Laser

    By helloworld, May 24, 2020   

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

18. What Is The Meaning Behind Multiplication In Physics?

    By DRACO, May 22, 2020   

    • physics
    • maths
    • 2 replies
    • 485 views
    • 
    • DRACO
    • May 23, 2020

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

    By A-wal, May 21, 2020
    • 6 replies
    • 439 views
    • 
    • Flummoxed
    • May 23, 2020

20. Youtube Physics Degree List

    By VictorMedvil, May 20, 2020
    • 0 replies
    • 305 views
    • 
    • VictorMedvil
    • May 20, 2020

21. Modern Physics Lectures, Phys 260

    By VictorMedvil, May 20, 2020
    • 6 replies
    • 296 views
    • 
    • VictorMedvil
    • May 20, 2020

22. Electricity And Magnetism Lectures, Phys 251

    By VictorMedvil, May 20, 2020
    • 7 replies
    • 388 views
    • 
    • VictorMedvil
    • May 20, 2020

23. Ap Physics/freshman College Physics, Phys 101

    By VictorMedvil, May 20, 2020
    • 6 replies
    • 286 views
    • 
    • VictorMedvil
    • May 20, 2020

24. Fundamentals Of Physics Lectures, Phys 200

    By VictorMedvil, May 20, 2020
    • 4 replies
    • 267 views
    • 
    • VictorMedvil
    • May 20, 2020

25. Merging Gr And Qm Across Reimann Curvature

    By VictorMedvil, May 15, 2020
    • 1 reply
    • 399 views
    • 
    • VictorMedvil
    • May 18, 2020