Physics

3545 topics in this forum

1. Family claim Amber Alert ruptured son's eardrums, file lawsuit against Apple

   By LaraKnowles, Monday at 02:13 PM
   • 9 replies
   • 413 views
   • 
   • LaraKnowles
   • 11 hours ago

2. Pumping water up with minimal power...

   By Externet, April 29
   • 1 reply
   • 122 views
   • 
   • sethoflagos
   • April 29

3. High priority problem in Physics: real equation of force is F = ma and not F = dp/dt

   By martillo, April 7
   • 1 reply
   • 326 views
   • 
   • swansont
   • April 7

4. Question about Basics of Gravity 1 2 3 4

   By tylers100, October 17, 2021
   • 97 replies
   • 9k views
   • 
   • Mordred
   • April 7

5. Why do we use kelvin to measure heat?

   By grayson, January 7
   • 8 replies
   • 540 views
   • 
   • falkor1995
   • April 3

6. Radio Frequency / Microwave Radiation

   By chrisa, February 21
   • 21 replies
   • 1.2k views
   • 
   • chrisa
   • February 29

7. Fluctuating magnetic fields cause heart attacks and strokes to double! 1 2

   By LaraKnowles, December 10, 2023
   • 46 replies
   • 2.8k views
   • 
   • swansont
   • February 18

8. Recycling Heat 1 2

   By Photon Guy, January 9
   • 30 replies
   • 1.7k views
   • 
   • sethoflagos
   • January 21

9. Find the electric current required.

   By Kakos87, January 16
   • 0 replies
   • 302 views
   • 
   • Kakos87
   • January 16

10. Group Fluid Framework for accurately measuring fluid dynamics.

    By grayson, January 8
    • 2 replies
    • 291 views
    • 
    • grayson
    • January 8

11. the definition of energy

    By mar_mar, December 26, 2023
    • 19 replies
    • 1.1k views
    • 
    • exchemist
    • December 26, 2023

12. "footage" of current passing through wire

    By robert1978bp, December 23, 2023
    • 0 replies
    • 210 views
    • 
    • robert1978bp
    • December 23, 2023

13. Is entropy always low in a way?

    By Tristan L, December 23, 2023
    • 1 reply
    • 215 views
    • 
    • Bufofrog
    • December 23, 2023

14. Will entropy be low much of the time? 1 2

    By Tristan L, May 31, 2020
    • 42 replies
    • 33k views
    • 
    • swansont
    • December 20, 2023

15. Radiation and Lambert's Cosine Law

    By Dewsquad, December 19, 2023
    • 1 reply
    • 243 views
    • 
    • swansont
    • December 19, 2023

16. Looking for pdfs

    By grayson, December 17, 2023
    • 1 reply
    • 254 views
    • 
    • iNow
    • December 17, 2023

17. Photon is massless why? 1 2

    By Muhammad Owais Isaac, November 8, 2023
    • 47 replies
    • 4k views
    • 
    • Alysdexic
    • December 5, 2023

18. What is 210J

    By johnsri, November 25, 2023
    • 2 replies
    • 250 views
    • 
    • Bufofrog
    • November 25, 2023

19. Matter waves (split from Photon is massless why?) 1 2 3 4 5

    By martillo, November 11, 2023
    • 119 replies
    • 6.1k views
    • 
    • martillo
    • November 19, 2023

20. Forgotten energy in interactions of particles with opposite charge. 1 2

    By martillo, October 11, 2023
    • 31 replies
    • 1.4k views
    • 
    • martillo
    • November 14, 2023

21. Mass of a photon particle...

    By Externet, July 8, 2023
    • 12 replies
    • 1.1k views
    • 
    • KJW
    • November 12, 2023

22. Mushy questions about gravitational waves

    By Danijel Gorupec, February 16, 2023
    • 12 replies
    • 1.5k views
    • 
    • swansont
    • October 12, 2023

23. Is this possible? Any thermodynamics dynamos out there want to weigh in?

    By K8H, September 5, 2023
    • 6 replies
    • 599 views
    • 
    • J.C.MacSwell
    • October 3, 2023

24. JOBS

    By Gian, September 10, 2023
    • 8 replies
    • 678 views
    • 
    • Gian
    • September 11, 2023

25. Any beneficial uses for tritium ?

    By Externet, September 5, 2023
    • 16 replies
    • 826 views
    • 
    • John Cuthber
    • September 6, 2023