Picture Definition and 402 Threads

  1. T

    Changing a Folders Thumbnail Picture

    I am running Windows Vista and have an external harddrive connected via USB. I store all my music on it and want to change the thumbnail pictures to the album covers that are already in the folders but when I right click, customize and apply new thumbnail, nothing happens. Why can't I change my...
  2. P

    Investigating the Authenticity of a Shooting Star Picture

    I have this shooting star picture, and not sure if it's a fake. Have you got any ideas?
  3. S

    Insulator/Conductor Question with picture

    Homework Statement http://i215.photobucket.com/albums/cc95/warrenm_2007/elec.jpg Here is the problem: The red dots represent points of equal electric potential and the gray haze is the projected equipotential line. I am unsure about what happens to the electric field lines as they...
  4. R

    Simple Torque Problem With Picture, Help

    Homework Statement Homework Equations Torque(n/m)=Force(N)*Length(L) Basic Trigonometry The Attempt at a Solution The concept of torque is new to me, so I just need a push in the right direction here. lbs and ft are used so we are using non-metric? Should I convert them to metric? How...
  5. L

    High school physics basic question about two dimensional motion (WITH PICTURE)

    Stuck on this problem. I think acceleration is about 0.4m/s^2, but having the worst time trying to find direction. I think the sine or cosine law is supposed to be used?? Here's the question: http://i299.photobucket.com/albums/mm286/lanvin12/physics.jpg
  6. A

    Law to preserve motion quantity help ( picture included to help describe )

    Speed of a bullet shot into a pendulum ,picture included (dl attch. if pic won't show) Homework Statement You're supposed to be able to define the speed of a bullet with the help of a pendulum. The bullet is shot into a big tree piece ( The pendulum ) with a known mass (weight). The tree...
  7. Artlav

    The inconsistent current picture of the universe?

    I can't help noticing some inconsistencies in either the accepted large-scale model of the universe or my understanding of it, so any explanations on the points provided are welcome. Point A: What are the evidence of the evidence that the universe is expanding? The red shifts of distant...
  8. F

    Understanding the Phenomenon in the Attached Picture

    please explain to me this phenomena (Details in the picture attached) - after answering my 2 questions , I would like to make a modification in the picture , the modification is : shifting the force F 1 to the left for 0.5 m , after shifting it 0.5 m would we have a moment at "B" and at "A" ...
  9. marcus

    Brian Greene picture book for young people (Icarus)

    The book's graphic designer Chip Kidd has sample pages. The book uses public domain pictures from the Hubble Space Telescope collection. http://www.goodisdead.com/index.php?/work/entry/icarus_at_the_edge_of_time_2008_interiors/ By clicking on sample pages at the above link, you get larger...
  10. ZapperZ

    FINAL VOTE Photo Contest - Bad Picture 3

    We have some really awful pictures for you to vote on in the final round of this contest. 1. lisab http://img217.imageshack.us/img217/327/badkittytr9.jpg 2. turbo-1 3. Moonbear 4. GeorginaS 5. Evo http://img134.imageshack.us/img134/417/camerapictures295ae1.jpg 6...
  11. ZapperZ

    VOTE Photo Contest Group 2 - Bad Picture 3

    This is the second polling group for this contest. Please vote for the picture that best represents the intent of the theme, which is a bad picture. 1. rewebster [no picture ] 2. Zenparticle http://img394.imageshack.us/img394/9756/picture082pk0.jpg 3. ~christina~...
  12. ZapperZ

    VOTE Photo Contest Group 1 - Bad Picture 3

    We have a lot of submission this week, but strangely enough, I find that some of the pictures to really be not "bad pictures". Still, it is up to the members to decide. Please make sure you vote for a BAD picture that best represents the intent of the theme. You have one vote to cast in each...
  13. N

    Can anyone supply me with a picture of

    a molecule? I'm looking for a background to my A1 research poster. It has to do with molecular spectra... It needs a resolution of more than 3000x3000. I've looked everywhere!:frown:
  14. ZapperZ

    PF PHOTO CONTEST - Bad Picture 3 (8/2-8/8)

    [FONT="Comic Sans MS"][SIZE="5"]Bad Picture 3 This theme has always been one of our more popular theme. Find a photo that you took that is really bad. This degree of "badness" can be due to fuzzyness, underexposure, overexposure, etc. Any picture that it technically bad qualifies. NOTE...
  15. W

    What Is the Simplest Picture for Entangled Particles?

    I understand a wavepacket as a better description of a particle than the classical 'solid object' but is there a similar simple picture for an entangled pair? Is it a double wave packet? Is it two joined wavepackets? Is it one wave packet with two objects in it? Is it actually one complex...
  16. T

    Checking Your Homework: Solving the Equation in the Picture

    Homework Statement http://img117.imageshack.us/img117/1289/archbw3.jpg [/URL] Homework Equations Formula on picture above. The Attempt at a Solution I am just wondering if I got the answer right.
  17. Cyrus

    Is Balancing Chakras a Legitimate University Health Event?

    An email I got: Notice the parts in bold. I really should send them an email saying what f' is a health center at a university doing promoting such bullshizza as 'chakras'. Better not upset the fung-sway of my charkas or the bhraman buddist gods of tea leaves might be angry! :rolleyes:
  18. Holocene

    Does anyone know the story behind this picture? (Warning: somewhat offensive)

    http://www.pariswerlin.com/images/photos/nigel/holocaust.jpg ...,
  19. pellman

    Time translation in the heisenberg picture?

    A fundamental quantity that we calculate with QM is \langle \Phi|\Psi\rangle-- the probability amplitude for observing a system to be in state |\Phi\rangle given that it is in state |\Psi\rangle. In the Schrodinger picture the states are time-dependent and we can ask, "What is the probability...
  20. C

    Mech - Girder Section - Picture included

    Homework Statement http://img132.imageshack.us/img132/8958/mechanicsgv3.jpg The Attempt at a Solution (i) Is the weight balanced on both sides in a situation like this, in which case it would be: Or are the weights not equal and infact I am meant to work it out with dimensions in...
  21. L

    Did I Make a Mistake? A Sign Error in an Exercise Answer

    Did I do this right? An exercise in a book where my answer came out opposite from the author's. [PLAIN]"camoo.freeshell.org/22.9.pdf"[/URL] Laura
  22. N

    Picture of sinusoidal curve with 5 points

    Homework Statement Sorry I can't provide a visual for this problem, but I'll try my best to explain it Given: picture of sinusoidal curve with 5 points from left to right, H C D B A H is on downward slope C is a min D is a max B is on upward slope A is on upward slope to the right of B...
  23. P

    Can someone explain this physics passage and picture?

    On page 319 of this book, with regards to the conical capillaries: http://books.google.com/books?id=EoExAAAAMAAJ&pg=PA319&lpg=PA319&dq=conical+capillary&source=web&ots=7YAXey0det&sig=Xr8x61FArV8fK4r0vpR_McJlQIk#PPA319,M1 One particular point that I feel needs further clarifying is that...
  24. F

    Explain to me the the physics behind this picture?

    Can someone please explain to me the the physics behind this picture? I think it has something to do with refraction. If someone could explain I would greatly appreciate it! Thanks in advance http://www.aapt.org/contests/pc07full.cfm?Meeting=sm07&Category=Contrived&Placing=1
  25. wolram

    How Can One-Dimensional Particles Transform a Hollow Box into a Solid Object?

    You have a box obviously it is three dimensional but hollow, using dimensions how would you turn this box into a solid object? The top, bottom, ends and sides of the box two dimensional.
  26. T

    Stuck on Torque Question (W/ Picture)

    Homework Statement A uniform beam of 6.6 meters with a weight of 42.67 Newtons is pinned to a wall and supports a weight of 19.62 Newtons.The beam is angled up at 16 degrees and the right end of the beam is supported by a cable attached to the other side of the wall. Find the value of; Tension...
  27. D

    Find Free Grain Size Images for ASTM (G) 10.48 @ 400x

    Im doing a report on grain size/specimen prep, I was given a copied picture out of a textbook which I calculated ASTM grain size on...then I lost the picture. The problem is I still need to calculate grain size using grain diameter, just wondering if there are any sites that offer up pictures...
  28. M

    At what velocity does the stone impact? (Link to picture included)

    I have no clue how to do this problem, so if someone could explain to me step by step, it would be greatly appreciated! <a href="http://photobucket.com" target="_blank"><img src="http://i231.photobucket.com/albums/ee10/mitochondria3/DavidGoliath.jpg" border="0" alt="Photo Sharing and...
  29. K

    Can Orbital Viewer help visualize complex orbitals?

    I'm not sure why, but I could never really picture & grasp this concept. Say you're drawing the orbitals of an atom, the 1s & 2s orbitals are pretty easy to draw. They are just spheres with a node in between them. Now do these orbitals overlap, or does one start where the node ends? What...
  30. Garth

    Flat-space picture of gravity vs. General Relativity

    A eprint on today's Physics ArXiv: Flat-space picture of gravity vs. General Relativity: a precision test for present ether-drift experiments. The authors are professors in the Istituto Nazionale di Fisica Nucleare, Sezione di Catania Dipartimento di Fisica e Astronomia dell’ Universit`a di...
  31. M

    Fixing the Timer1 Glitch - Moving a Picture Box on a Screen

    Just have to get a picture box to move around a screen, I'm running the program by a timer. I'll show set integers below. Timer = Timer1 Picture Box = Robot Dim Robotpace as integer Basically, when you click on the start button it enables the timer. Here's the coding. Private...
  32. M

    Usefulness of Heisenberg picture?

    I'm a little confused as to why anyone would want to use the Heisenberg picture of time evolution instead of the Schrodinger picture, beyond showing that the equations of motion are similar to those of classical mechanics. For example, consider a free particle. Using the Heisenberg equations of...
  33. Gauged

    How do I upload an avatar picture?

    Simple question, verging on idiotic, but how exactly do I go about uploading an avatar picture? I can't seem to find how to do it.
  34. ZapperZ

    VOTE Photo Contest - Bad Picture 2

    Alright. Do you vote for the best-looking bad picture, or the worst looking bad picture? You decide! 1. neutrino 2. FredGarvin http://img411.imageshack.us/img411/5832/buckinghampalace1hc9.jpg 3. turbo-1 4. Kurdt http://img485.imageshack.us/img485/2998/smonumentto7.jpg 5...
  35. ZapperZ

    PF PHOTO CONTEST - Bad Picture 2 (10/1-10-7)

    [FONT="Comic Sans MS"]Bad Picture 2 The last time we had this theme, it was a lot of fun, especially during the voting period (do I choose the best looking bad picture, or the worst looking bad picture?). So we will recycle this theme. Post your technically bad picture here. It can either be...
  36. M

    Producing X-Rays from a Television Picture Tube

    Can X rays be produced by a television picture tube? My attempt It is possible that X-rays can be produced by a television picture tube or a Cathode Ray tube because by altering the CRT X- rays may be produced. I have no idea if that is true but i think so.
  37. F

    Can someone help me code this picture for a Paint.NET skin?

    First and foremost, I read CSS & HTML & a bit of XHTML before I asked this question. I read them in 2 sites, DaveSite.com & W3Schools.org Can somebody help me whether how to code this picture? I would really appreciate it, thanks!:approve: ( I am trying to make a Skin for Paint.NET for the...
  38. D

    What geometrical shapes can you see in the picture?

    how can i solve this problem!?? thx
  39. Monique

    What's Off in This Google Earth Image of Mid-Town NYC?

    Google Earth image of mid-town NYC http://img48.imageshack.us/img48/2357/whatswronghereuy0.jpg Rockefeller center is in the middle of the picture.
  40. P

    What is a Rank 3 Tensor and Why Does It Matter?

    Hello Gals, I know what a scalar is. I know what a vector is. I know what a linear transformation is. But what in the name of sweet aunt petunia is a rank 3 tensor? Love, Plx Mny
  41. A

    How is the conjugate momentum defined in the Schrödinger picture of QFT?

    Hi, I have been wondering why we can consider d(phi)/dt when we are in Schrödinger picture (phi is just the usual scalar field here). Isn't this 0 as operators do not depend on time in this picture? However then how does it make sense to talk about the conjugate momentum in this picture which...
  42. D

    How did this happen? Weird picture

    How did this happen!? Weird picture! So yeah... I was at the bowling alley and someone took this picture: http://a37.ac-images.myspacecdn.com/images01/38/l_81ee85d7d2e5ca216a96f823bb524cfc.jpg" This is NOT photoshopped. I could see an explanation if it were blurred, but the edges of...
  43. T

    Problem with nod voltage analysis se the picture

    Please watch the picture http://img161.imageshack.us/img161/8170/problem1yf5.jpg I am very thankfull toward any help given :)
  44. S

    Help What's wrong with this picture?

    Help! What's wrong with the dmv publication?:cry: http://www.theusefulblog.com/47331.jpg
  45. P

    Why is it difficult to visualize the structure of an atom and its components?

    I think I heard from a Nobel Laurete in Physics that from the Electron microscope we were able to see the picture of a real atom for the first time in the 70s. But my chemistry textbook written in 2000 said that no one has actually seen an atom. What is going on?
  46. wolram

    Web cam with good picture and audio quality

    Help please, is there such a thing as a wireless web cam that i can just use with out any mods or additions to my desk top? I need one with good picture and audio quality, and i need it to work 4yrds from the desk top. If there is no such thing can some one recommend a standard one for up to £50?
  47. ZapperZ

    What are the finalists for the worst picture in this contest?

    As expected, it was difficult to vote in this one. Just what criteria does one use? The best bad picture? The worst looking picture? Whatever it was, here are the finalists in this contest. Good luck! 1. turbo-1 http://img178.imageshack.us/img178/33/badcu4.jpg 2. larkspur...
  48. R

    Vectors Graphically ( Picture Included )

    Edit: Got it. :D
  49. ZapperZ

    Which Photo Best Captures the Essence of a Photographic Mishap?

    This is the second group for this contest. Please vote for the picture that best reflects our theme for this contest: a bad picture in terms of mistakes in picture taking. You have one vote for each group. 1. Chi Meson 2. ZapperZ 3. 0TheSwerve0 4. Moonbear...
  50. ZapperZ

    Which photo best captures the theme of bad pictures in this contest?

    The photos for this contest range from the psychedelic to the disgusting! :) Please vote for the picture that best reflects our theme for this contest: a bad picture in terms of mistakes in picture taking. You have one vote for each group. 1. turbo-1...
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