Physics & Mathematics

168 topics in this forum

1. A Quantum Question

   By R.M.Alger, 10 Jan 2010
   • 17 replies
   • 2,702 views
   • 
   • Carlos
   • 20 Mar 2010

2. A Proposal

   By Bob Kolker, 23 Jan 2010
   • 1 reply
   • 1,107 views
   • 
   • ewv
   • 23 Jan 2010

3. The second law of thermodynamics, versus matter and gravity.

   By organon, 30 May 2009
   • 2 replies
   • 1,766 views
   • 
   • Bob Kolker
   • 23 Jan 2010

4. Dark Matter? Maybe

   By Bob Kolker, 19 Dec 2009
   • 0 replies
   • 1,205 views
   • 
   • Bob Kolker
   • 19 Dec 2009

5. Splitting Time from Space

   By Paul's Here, 19 Dec 2009
   • 1 reply
   • 1,371 views
   • 
   • Bob Kolker
   • 19 Dec 2009

6. Scientists see blast from past -- 13 billion years ago

   • 1
   • 2

   By Paul's Here, 29 Oct 2009
   • 27 replies
   • 4,511 views
   • 
   • inventor
   • 17 Dec 2009

7. Chaotic Dynamics on the Wing

   By Bob Kolker, 11 Dec 2009
   • 12 replies
   • 2,433 views
   • 
   • rtg24
   • 12 Dec 2009

8. old-school math

   By Abaco, 8 Jul 2009
   • 12 replies
   • 3,115 views
   • 
   • Abaco
   • 12 Aug 2009

9. Galaxy within a galaxy?

   By Paul's Here, 29 Jul 2009
   • 6 replies
   • 1,670 views
   • 
   • PhilO
   • 1 Aug 2009

10. The Theory of Elementary Waves

    • 1
    • 2
    • 3
    • 4
    • 10

    By Betsy Speicher, 27 Jan 2009
    • 233 replies
    • 24,946 views
    • 
    • Dean M. Sandin
    • 28 Jun 2009

11. Query re speed of light

    By organon, 21 May 2009
    • 5 replies
    • 1,810 views
    • 
    • Paul's Here
    • 7 Jun 2009

12. Sad photo

    By PhilO, 29 Aug 2008
    • 15 replies
    • 2,512 views
    • 
    • SteveH
    • 6 Jun 2009

13. Stephen Hawking

    By organon, 25 May 2009
    • 7 replies
    • 2,148 views
    • 
    • KurtColville
    • 26 May 2009

14. In relation to 'time travel'

    By organon, 14 May 2009
    • 11 replies
    • 2,481 views
    • 
    • ewv
    • 24 May 2009

15. Apophis May Destroy West Coast

    • 1
    • 2

    By Paul's Here, 25 Feb 2007
    • 44 replies
    • 7,020 views
    • 
    • Abaco
    • 19 May 2009

16. The Farthest Known Object Discovered

    By Paul's Here, 29 Apr 2009
    • 23 replies
    • 4,668 views
    • 
    • bborg
    • 7 May 2009

17. A nifty theorem in geometry

    By Bob Kolker, 17 Apr 2009
    • 9 replies
    • 2,962 views
    • 
    • Mindy Newton
    • 20 Apr 2009

18. New Hafnium reacton mentioned in passing...

    By th3ranger, 10 Apr 2009
    • 4 replies
    • 1,508 views
    • 
    • Carlos
    • 11 Apr 2009

19. The Physics of Superheroes

    By Cometmaker, 27 Mar 2009
    • 0 replies
    • 1,198 views
    • 
    • Cometmaker
    • 27 Mar 2009

20. Graphene

    By Carlos, 18 Mar 2009
    • 1 reply
    • 1,084 views
    • 
    • PhilO
    • 18 Mar 2009

21. Orbiting Black Holes

    By Paul's Here, 4 Mar 2009
    • 0 replies
    • 933 views
    • 
    • Paul's Here
    • 4 Mar 2009

22. Thunderbolts of the gods

    • 1
    • 2

    By Horvay, 15 Sep 2008
    • 25 replies
    • 4,258 views
    • 
    • Carlos
    • 2 Mar 2009

23. The Solar System is Not Round

    By Paul's Here, 2 Jul 2008
    • 15 replies
    • 2,561 views
    • 
    • Cabbie
    • 2 Mar 2009

24. Colliding galaxies shed light on dark matter

    • 1
    • 2

    By Paul's Here, 28 Aug 2008
    • 26 replies
    • 4,045 views
    • 
    • Carlos
    • 13 Jan 2009

25. Notable quote from Maxwell

    By PhilO, 26 Nov 2007
    • 4 replies
    • 2,071 views
    • 
    • Carlos
    • 21 Nov 2008