Physics

3550 topics in this forum

1. High power laser (UV)+ high electrostatic field + infrasounds - NEED HELP

   By agnieshka, December 28, 2015
   • 1 reply
   • 952 views
   • 
   • agnieshka
   • December 29, 2015

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

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

3. High School Holography

   By Motives, October 13, 2008
   • 6 replies
   • 1.6k views
   • 
   • Imaginer1
   • October 19, 2008

4. High speed in Space?

   By Novaflipps, December 31, 2016
   • 4 replies
   • 984 views
   • 
   • Sriman Dutta
   • January 1, 2017

5. High wings, low wings...

   By Externet, December 30, 2020
   • 2 replies
   • 1.1k views
   • 
   • MigL
   • January 1, 2021

6. Higher dimensions and my scepticism. 1 2 3

   By Daniel Foreman, December 17, 2012
   • 70 replies
   • 9k views
   • 
   • krash661
   • August 11, 2013

7. highest relative permeability at 12T

   By ElectroMichel, January 5, 2017
   • 0 replies
   • 716 views
   • 
   • ElectroMichel
   • January 5, 2017

8. Hole In Earth?

   By midgetwars, April 15, 2008
   • 24 replies
   • 3.3k views
   • 
   • D H
   • August 3, 2008

9. Hollow Earth / no gravity

   By richard quest, June 8, 2007
   • 4 replies
   • 1.5k views
   • 
   • Spyman
   • June 8, 2007

10. Holograms

    By MirceaKitsune, October 2, 2014
    • 7 replies
    • 1.6k views
    • 
    • /backslash/
    • October 4, 2014

11. Holography

    By JcX, August 26, 2009
    • 4 replies
    • 1.1k views
    • 
    • seriously disabled
    • August 29, 2009

12. Hooke's Law Spring Calc

    By HydroEnergy, October 26, 2017
    • 0 replies
    • 917 views
    • 
    • HydroEnergy
    • October 26, 2017

13. horseshoe magnet forces

    By the guy, October 26, 2012
    • 2 replies
    • 1.3k views
    • 
    • Enthalpy
    • October 26, 2012

14. hot air vs cold air

    By moxion, April 6, 2008
    • 6 replies
    • 3k views
    • 
    • NeonBlack
    • April 7, 2008

15. How and why does everything in life reach equilibrium?

    By scilearner, September 30, 2009
    • 9 replies
    • 7.3k views
    • 
    • devrimci_kürt
    • November 10, 2009

16. How are bubbles created?

    By scilearner, November 8, 2009
    • 1 reply
    • 887 views
    • 
    • RyanJ
    • November 8, 2009

17. How big is a quark?

    By fredreload, May 16, 2018
    • 8 replies
    • 2.1k views
    • 
    • StringJunky
    • May 17, 2018

18. How big is the Universe?

    By plerza, November 10, 2012
    • 1 reply
    • 1.9k views
    • 
    • imatfaal
    • November 12, 2012

19. How big of a fan do we need to blow away city smog?

    By pepsibluefan, January 19, 2015
    • 9 replies
    • 1.6k views
    • 
    • pepsibluefan
    • January 20, 2015

20. How can distortion of space be measured?

    By truedeity, July 19, 2015
    • 2 replies
    • 918 views
    • 
    • swansont
    • July 19, 2015

21. How can I achieve a high vacuum (0.01-0.001 mbar)?

    By saidi_farzad, May 24, 2014
    • 2 replies
    • 1.6k views
    • 
    • John Cuthber
    • May 25, 2014

22. How can i find the gravity value in each country?

    By Fantastisk, July 10, 2012
    • 2 replies
    • 1.7k views
    • 
    • swansont
    • July 10, 2012

23. How can I increase the amperage?

    By Magnethos, April 11, 2008
    • 3 replies
    • 6.9k views
    • 
    • thedarkshade
    • April 13, 2008

24. How can I test for radioactivity in tissues?

    By eriksen, January 20, 2013
    • 11 replies
    • 1.5k views
    • 
    • STeve555
    • February 4, 2013

25. How can people age differently?

    By lia, November 22, 2014
    • 2 replies
    • 1.4k views
    • 
    • DimaMazin
    • November 23, 2014