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Posts posted by kenshin

  1. My PC is acting weird. I now have 12.9 GB free hard disk space in C drive,2.59 GB free in D and 1.75 GB free in E. Three days ago, I formated my C drive and installed a new copy of windows. Same day, I had a problem of "Generic Host error" frequent popup. I tried a few things(a few virus and spyware scans) and then I tried to repair windows. I got the error message "windows can't access a mass storage device and may ask you for drivers during setup" and after sometime, setup will terminate. So, I took the easy way out of re-formating the C drive and this time I installed a different copy of windows. On same day, when I used the restart button on CPU, I couldn't login after restart. Windows booted and after that there was a black screen and that was all, but windows let me login in safe mode. In safe mode, I tried system restore but got the message "Need at least 200 MB disk space, system restore was enable to restore your system to given restore point". At that time, free space in C was almost 9 GB and all other drives also had free space in GBs. I again took the easy way out and re-formatted the C drive again and this time I used that copy of windows which I had been using for quite some time before my first format( before the generic host error windows). Now the problem is that I am getting error messages like "Can't hibernate not enough resources available" and while playing an old game I got a message like "you may face graphic issues,minimum requirement of 140 MB of virtual memory not fulfilled"



    I am using Windows XP(SP 2)and my windows are installed in C drive. I have one hard disk of 80 GB and 1 GB RAM. Please help.



  2. What i am not able to understand is that even is case of a given position vector(say p), I can represent that specific position vector as cross product of two other vectors. Now under inversion,the cross product of these two vectors will remain same. Won't this make our given vector p a pseudovector?

  3. A common way of constructing a pseudovector p is by taking the cross product of two vectors a and b:


    p = a × b.


    As x goes to −x, y to −y and z to −z, a and b go to −a and −b (by the definition of a vector), but p clearly does not change.



    Is it right to say that every vector is a pseudovector as per the above stated defination,as we can represent any vector as a cross product of two vectors?

  4. What's going on....i am all confused:confused: , what i am trying to ask is,can we call the unpredictability arising out of the error in measurement caused due to the limitation of not knowing the exact value of an irrational number be considered randomness?

  5. Can we call the outcome of a chaotic phenomena like for example evolution or weather to be random? Isn't such an outcome just unpredictable due to inherent nature of numbers and other not so precisely defined factors but not random?


    Is it right to say that the unpredictably arising in chaotic system is just unpredictability while the unpredictability which is a property of quantum system is actual randomness?


    Please discuss.


  6. No doubt that space is never devoid of matter/energy, but can it be used to measure time or space? Is it possible to talk of time just on the basis of zero point energy? Does this vacuum energy give rise to arrow of time or concept of time?


    Thanks in advance.

  7. A simple question:-

    Is it possible to talk of or define space and time in an empty universe,that is, in an universe devoid of matter?


    I was thinking about time and realised that every-time we talk of time, it is w.r.t to some periodic phenomenon and hence there in nothing like absolute time. But,what if there is nothing to give rise to any kind of periodic phenomenon? What if there is no matter and energy? Then we can't talk of decay clocks or cycle clocks or any kind of clocks.Right? Will that mean that there will be no time? Same will apply to space also. Will space-time exist in an universe devoid of matter? In such an universe there will be nothing to observe or measure space-time and as per relativity, these entities are not independent of measurement. Is it even possible to define an universe without matter/energy? So,what do you people think?:confused:

  8. If he mean that we should understand and realise history,then I bet that it's not an obvious statement, for if it had been so obvious and easy to understand,then schools would have been doing that and humans would have learned from history and never would have repeated their mistakes.This may look obvious,but is not so obvious.


    The point that I see of 'ejaculating statements of the more than Obvious.':D,is that the interactions may help us understand this obvious.

  9. I think that I don't know (but want to know) is that how 'exactly' it works,and one thing that I know is that this was not good.Giving someone,specially children, such Strong mental and emotional suggestions as to manipulate their free will and even override it to an extent that they consider the suggestions to be their will,totally sick!And that goes for all religions and societies that try to do it.


    I wonder,can we call it mental and emotional terrorism? What do you people think? Isn't it sort of brainwash?

  10. Nah,I don't think it's just about history being taught.I think it's about not knowing but understanding, realising and learning from history.


    To educate the younger generation to this fact should be a simple task provided that they see others firmly recognize thus fact.


    And recognizing a fact(for me at least) doesn't mean just knowing it and using it to score in exam or just saying "ok,If you say so".It means realising the fact and understanding it's consequences.To educate someone about newtons laws doesn't mean making him able to know the statement and solve a few problems,it's about making that person see the beauty of newton's laws.


    So,my guess is that when coberst says what he says,he means what I have just written:D

  11. Is there any software available that can keep record of all the utilities that are run on my computer system with their respective timings and also keep record of the time at which system was shut down or booted?

    If yes,then please suggest some.

  12. Can someone please tell me what logistic regression is? I know nothing of regression also (assuming that something like that exists). I read wikipedia, but couldn't understand much. what exactly the following line means:

    "Logistic regression is a statistical regression model for binary dependent variables." Secondly,can someone please explaine each and every term of the equation given by wikipedia. Link is given below.




    Thanks in advance

  13. IA, will you stop this and let alpha say whatever he want's to say:-p


    Ok Alpha, let's say your theory is right as you claim, but then, can it solve any of the existing riddles of physics?(a new theory is no good if it can not do this) Can it explain any of such observable phenomenans which are still not fully explained by conventional physics? Wait, why am i going so far, can it explaine the existance of W-particals or Gluons(which are not required in your theory but have been experimentally detected). Any ways, this thing has been over-said by others and they will keep on saying this, but as I am ready to believe you blindly, please tell me your theory can explain any of the existing riddles of physics?(hey, don't let me down,it is the first time I am ready to believe a theory blindly,so you better come with a "yes"). If it can not, then I will prefer to go with conventional physics.;)

  14. strong Hydrogen Peroxide is used by a certain Insect though (some type of beetle) and it defends itself with a jet of super heated steam!


    They also said the same thing and used this fact for asserting that if insects can do it, dragons can do it too.Anyways...here's the add







  15. I also thought the same,but it was no "if this then what" stuff.Secondly, they also thought of this 6 limb stuff.So,they conducted a dna test and noticed a mutation in the limb generating gene(that's what they said).This led to 6 limbs.The dragon had two sack like structures that were filled with hydrozen and methane(mainly hydrozen) which were produced by bacteria.This thing provided them with the ability to fly and fuel for fire.A certain mineral(don't remember the name) was a main part of there diet and when mixed with hydrozen and oxygen,it produced an exothermic reaction which produced fire.


    All said,I still don't know what to say? If it's true, then it should have made a big news, but this time, what they showed was no big-foot stuff. This time, they had a different tone. It was assertive(like in the case of dinos).:confused: Weired!!

  16. I know that the title itself makes it a speculation or pseudoscience thread,but today,they showed a dragon fossil on discovery channel.I am so confused.They were talking about fire breathing and flying creatures.They have theories to prove that they could fly and breath fire.(Weired!!!).By they I mean the group that discovered it.I don't remember the names though.I am so totally confused.How can it be?Why it never made a BIG news.Also,I did not find anything on net.:confused: How can they show something on TV with such claimes if they don't have proofs?And what about the fossils that were showen?They were complete fossils.Nothing was missing.All the detailes from teeth to wings to skin(yup they had skin,were frozen and preserved in ice.) were clear.COMPLETE FOSSILS! TWO OF THEM! TWO COMPLETE DRAGONS!!:confused: How can it be?What do you people think?:confused:

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