Classical Physics

2667 topics in this forum

1. Martian Hydroelectric Concept 1 2

   By sethoflagos, yesterday at 01:15 AM
   • 43 replies
   • 333 views
   • 
   • swansont
   • 9 minutes ago

2. The "Ice Bomb" thermal engine 1 2 3 4 6

   By Tom Booth, Friday at 05:07 AM
   • 129 replies
   • 1.8k views
   • 
   • exchemist
   • 1 hour ago

3. How much pressure do you need to make air go near lightspeed?

   By pewguin, May 4
   • 15 replies
   • 238 views
   • 
   • John Cuthber
   • Yesterday at 07:37 AM

4. Blowing hot and cold

   By Rick Ape, April 19, 2020
   • 23 replies
   • 888 views
   • 
   • sethoflagos
   • Monday at 01:19 PM

5. Want to know

   By Superkidsavee, May 6
   • 5 replies
   • 159 views
   • 
   • joigus
   • May 6
6. Isolated rotating unbalance. Why is there a vibration?

   Topic was moved to forum Speculations

7. Magnetically levitated wheels

   By TransformerRobot, November 21, 2014
   • 16 replies
   • 4.9k views
   • 
   • Blade1
   • May 3

8. Hello! I'm not a scientist, but have a bit of a quandary regarding materials that I'd like to see if I can get some help with (details inside)

   By snapdragontyphoon, April 18
   • 12 replies
   • 511 views
   • 
   • snapdragontyphoon
   • May 3

9. Hijack from What If the Earth needed Global Warming in its Atmosphere. 1 2 3 4

   By Bill McC, April 23
   • 82 replies
   • 1.7k views
   • 
   • studiot
   • April 28

10. Helicopter performance (split from Get ready for the landing of Perseverance !)

    By Airbrush, April 20
    • 2 replies
    • 171 views
    • 
    • Airbrush
    • April 23

11. hijack from Magnetically levitated wheels

    By Bill McC, April 22
    • 4 replies
    • 187 views
    • 
    • iNow
    • April 23

12. Bore width of wind instruments

    By Enthalpy, July 18, 2017
    • 18 replies
    • 2.1k views
    • 
    • sethoflagos
    • April 9

13. Corona discharge vs. electron gun

    By Bond777, April 8
    • 0 replies
    • 136 views
    • 
    • Bond777
    • April 8

14. A question about radiation from a microvawe oven

    By Titus, April 6
    • 14 replies
    • 319 views
    • 
    • exchemist
    • April 7

15. Is it possible that round moving have more strong impulse?

    By altaylar2000, April 3
    • 17 replies
    • 285 views
    • 
    • mathematic
    • April 3

16. Questions on Thermodynamic Free Energy. 1 2 3 4

    By JohnSSM, March 12
    • 80 replies
    • 1.5k views
    • 
    • studiot
    • April 3

17. What is gravity

    By Phys1, March 26
    • 2 replies
    • 310 views
    • 
    • Country Boy
    • March 31

18. Questions on the Helmholtz machine.

    By JohnSSM, March 29
    • 5 replies
    • 249 views
    • 
    • joigus
    • March 29

19. Space charge density

    By Bond777, March 26
    • 3 replies
    • 301 views
    • 
    • studiot
    • March 27

20. how to force leyden jar to discharge in activated carbon tablet?

    By Eiot, March 27
    • 0 replies
    • 233 views
    • 
    • Eiot
    • March 27

21. What If the Earth needed Global Warming in its Atmosphere. 1 2

    By King David, March 15
    • 39 replies
    • 916 views
    • 
    • Area54
    • March 25

22. GaN substrate

    By Vladimir2513, March 15
    • 0 replies
    • 121 views
    • 
    • Vladimir2513
    • March 15

23. Measuring classical bodies

    By To_Mars_and_Beyond, March 14
    • 2 replies
    • 158 views
    • 
    • To_Mars_and_Beyond
    • March 14

24. Thought experiment about entropy

    By Matthew99, January 9
    • 18 replies
    • 662 views
    • 
    • studiot
    • March 13

25. Falstad a beginners question

    By wotsallthis, September 28, 2020
    • 6 replies
    • 663 views
    • 
    • wotsallthis
    • March 3