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  1. Astrophysics

    Girl trouble.

    so you're going out with that girl now? (been missing out a lot...haven't been on this site for months...haha)
  2. Astrophysics

    AI in traffic

    absolutely no1?
  3. Astrophysics

    Oceans working as a buffer

    Thanks HallsofIvy, but what I meant was does anyone know a good site where I can find lots of information about this, because I need it before Friday (20-02-'04) I thank you in advance, Yasha
  4. Astrophysics

    Oceans working as a buffer

    Does anyone have any reliable information about how oceans work as a buffer? I'm not sure if 'buffer' is the correct word, but with buffer i mean a substance, which exists out of a weak acid and it's conjucated base in an equal scale. I thank you in advance, Yasha :smile:
  5. Astrophysics

    AI in traffic

    Does anyone have any information about the latest AI developments in traffic? I thanks you in advance, Astrophysics
  6. Astrophysics

    Girl trouble.

    I don't really see what the problem is, just go for it!
  7. Astrophysics

    What Do You Do If ?

    Ask him to stop over, since he was driving to slow. What do you do if you read a question and suddenly it seems u're having a deja-vu?
  8. Astrophysics

    What Do You Do If ?

    Be greatful and live happely ever after What do you do if someone posted an anwser without a question and someone else posted a question without an anwser?
  9. Astrophysics

    What Do You Do If ?

    Try to run as fast as I could, maybe that way death can't catch up with. What do you do if Death suddenly comes riding in his ferrari and you're out of breath?
  10. Astrophysics

    What Music Do You Listen To?

    I think I'll stick with Mozart, Beethoven (classical), some oldies and a bit of classic rock.
  11. Astrophysics

    PF Member Photo Thread Archive

    This isn't going to become a What do you do if thread, is it?
  12. Astrophysics

    PF Member Photo Thread Archive

    hey dduardo! take someone of your own size! don't tease Monique like that! :wink:
  13. Astrophysics

    The question is: When?

    Great poem, but was it also an anwser to my question?
  14. Astrophysics

    Why do we enjoy PF so much?

    Well I can't ask my science books questions now can I? (because if I did, my teachers, parents, classmates and even my little sister would think I'm going crazy )
  15. Astrophysics

    PF Member Photo Thread Archive

    hmmm...I think I should go and buy a digital camera...
  16. Astrophysics

    Mass and space

    I think this thread's become a bit to complecated for me :frown: Maybe I should read a good book on this subject, any suggestions?
  17. Astrophysics

    Silly english question

    I don't find English difficult at all, in my opinion German and French are a LOT more difficult.
  18. Astrophysics

    Nonconservative forces

    I think, I think more like a physics teacher, since I don't think F_total = m*a is very precise. I think emaqueen already knew about this equation.
  19. Astrophysics

    Nonconservative forces

    That's not entirely correct nbo10, first u need to calculate the Gravitational force on the truck, then you calculate the Fx, which will help you further. p.s. don't forget the 20 degrees
  20. Astrophysics

    The question is: When?

    Why do you think we can't reach type 1 civilization in the near future? In think that our work on the field of science is exponentialy growing, so I am sure we will reach type 1 civilization in about 50 years from now.
  21. Astrophysics

    What Do You Do If ?

    I think you pretty much anwsered it. What do you do if you get completely confused in the What do you do if thread?
  22. Astrophysics

    What Do You Do If ?

    Start learning to walk on my hands. What do you do if you get laughed out by all the "cool" kids, while walking on the street on your hands?
  23. Astrophysics

    If 7x7=4 11x7=6 13x11=6

    I'm impressed reddhawk, how come I didn't come to that idea. I don't think I'd need to post anything now.
  24. Astrophysics

    The ToE: Unification or Replacement?

    I don't know enough about QM and GR to say if they can be replaced or not, however I do think that everything can put in a much easier way (although Einstein did a very nice job on GR), so maybe they can't be replaced but just "re-defined".
  25. Astrophysics

    Good Computer Program for Chemical Structures & Equations

    I haven't heard of such program. But I just wanted to say that the link didn't work...or do the mentors have to check it first?
  26. Astrophysics

    The question is: When?

    I know that, but I don't think aliens from a type 1, 2 or 3 civilization would come and watch Earth women :smile:
  27. Astrophysics

    Mass and space

    A question has been bothering me for some time and I haven't been able to find an anwser to it yet, so I was wondering if you might know the anwser. Why is it that for example a white dwarf hasn't become a black hole, while other stars which have a lot less mass do become black holes? I...
  28. Astrophysics

    H. G. Wells' The Invisible Man

    Hmmm...or maybe I should go and workk for the US Army...
  29. Astrophysics

    H. G. Wells' The Invisible Man

    Really?...maybe I should go and work for Q then:wink:
  30. Astrophysics

    The question is: When?

    What would make humans so interesting to you?
  31. Astrophysics

    Hacking the Female Mind

    I hope it's not scary...
  32. Astrophysics

    H. G. Wells' The Invisible Man

    Here's an idea...you have a suit with microscobic cells, some of these cells absorb light some are light sources, those which absorb the light give the information (colours, intesity, etc.) to other cells on the other side of this suit. So if you look at a person with this suit on you'll see...
  33. Astrophysics

    Book on energy?

    "First and/or second year physics at the university level" please
  34. Astrophysics

    Why do YOU like physics?

    I love physics because it is the key to the door in which the anwsers to the many mysteries of our universe have been hidden.
  35. Astrophysics

    What Do You Do If ?

    You'd try to act more like Jim Carry. What do you do if no one anwsered your question which you asked twice and you're getting confused because everything you thought was true is actually wrong...?
  36. Astrophysics

    Sum1 here help

    I'm very confused here, I was actually thinking the same thing as my calculator I guess, but I have no idea what these inverse means, is it f^-1 or is it something like f' ?
  37. Astrophysics

    What Do You Do If ?

    You post a message, tell everyone what you did in a what do you do if...question, reply to your own post and ask the question anyway. What do you do if you found out that you're a clone and that the original person is really annoying and is nothing like you and people think that you're the...
  38. Astrophysics

    What Do You Do If ?

    Delete the message... What do you do if your message wasn't finished and you accidently post it and then post the complete one, while someone is reacting on you first post and your question remains unanwsered...and you can't delete your first message...?
  39. Astrophysics

    What Do You Do If ?

    Eat the pistachios and if they were good I'd go to a store and buy some more. If my face was still on the cover I'd know that they have finally cloned men and I'm either the clone or the original one. What do you do if you find out that you're a clone and that the original person is really...
  40. Astrophysics

    Sum1 here help

    oh thanks mathnerd, but...how come when I put this in my calculator I get f^-1 = 1/f and f^-1(f(x)) is not x?
  41. Astrophysics

    Logic: the battle of the sexes

    I couldn't find anything about this article on theire site turtle. Could you please tell me what the article said?
  42. Astrophysics

    Sum1 here help

    if x^-1 = 1/x it would mean the same for a function, so f^-1 would be the same as 1/f
  43. Astrophysics

    The dipole of speed

    Unfortunately I don't see any attached file vlamir.
  44. Astrophysics

    Sum1 here help

    f^-1 = 1/f 1/((2e^x -8)/(10e^x + 9)) = (10e^x + 9)/(2e^x -8) then you can work to write this function simpler.
  45. Astrophysics

    Exactly what anti-matter is

    Before the summerholidays I asked my physics teacher what anti-matter is and like always she didn't know . So now I'm asking you guys if you know exactly what anti-matter is and how we can make it useful. I thank you in advance, Astrophysics
  46. Astrophysics

    Absolute Zero

    At absolute zero all atoms and molecules will completely stop moving, but these atoms/molecules have a mass. Photons and waves however don't have a mass and will do what they normally would do...
  47. Astrophysics

    2000 posts

    Congratulations Zero...I wonder who gets to 3000 posts first...
  48. Astrophysics

    Logic: the battle of the sexes

    oh thanks turtle, do you also have a link to this article? (or isn't the article available on the web?)
  49. Astrophysics

    Living in seven dimensions

    as long as I can remember according to the theoretical physicist we live in a 5 dimesional universe. Although I'm not sure on this, anyone else who can back this up?
  50. Astrophysics

    Logic: the battle of the sexes

    I asked one of my (female) friends if this is true and she said that in her experience this is indeed true. I know one person isn't enough so maybe others could give theire opinion on this.
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