What is Reading: Definition and 635 Discussions

Reading is the process of taking in the sense or meaning of letters, symbols, etc., especially by sight or touch.For educators and researchers, reading is a multifaceted process involving such areas as word recognition, orthography (spelling), alphabetics, phonics, phonemic awareness, vocabulary, comprehension, fluency, and motivation.Other types of reading and writing, such as pictograms (e.g., a hazard symbol and an emoji), are not based on speech based writing systems. The common link is the interpretation of symbols to extract the meaning from the visual notations or tactile signals (as in the case of Braille).

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  1. D

    How to Identify the Phase of Steam Using a Thermodynamics Table?

    Homework Statement [/B] Determine the phase of the steam (compress liquid, saturated liquid, saturation mixture, saturated vapor, superheated vapor, or supercritical vapor). Use A-4 Table. T=110 Celsius P=55.732 kPa Homework Equations A-4 Table...
  2. M

    Studying Reading Bishop & Goldberg's Tensor Analysis: Prerequisites for Physicists

    I am a graduate student in physics. One of my biggest frustrations in my education is that I often find that my mathematical background is lacking for the work I do. Sure I can make calculations adequately, well enough to even do well in my courses, but I don't feel like I really understand...
  3. K

    Elementary doubts i i got confronted with while reading qft

    why should Proca eqn be like ∂γ Fγμ + m2 Aμ = 0 but not ∂γ Fμγ + m2 Aμ = 0 ? another doubt is (λ-1 ω λ)μγ = λ-1 ρμ ωρσ λσγ ? why in λ-1 transformation got upper index in the second place but not in the first place? if someone clear my doubts...I would be thanful... regards.. Kau
  4. F

    How to Read and Understand PhD Papers in Math/Physics

    I am currently reading this paper. http://arxiv.org/pdf/1401.2670v1.pdf Because I am interested in knot theory and here are my impressions. Why are these papers so difficult to read? It almost seems as if it really is a completely foreign language as if its not already a foreign language to...
  5. Q

    Differential Geometry book on 3D Euclidn space - worth reading?

    I bought a book (Differential Geometry by Kreyszig) based on really good reviews because I'm planning to learn general relativity later. I guess I didn't pay enough attention to the description because apparently it's completely focused on "three-dimensional Euclidean space." Will this book...
  6. B

    Looking for Reading Material on Theory about Design/MOI/Structural

    I've been thinking about the building-design simulation, and am hoping that someone can point me toward more complete treatises/references, than this hobbyist impression. I'm trying to develop a mathematical outline of simulated deformation physics, with the hope of eventually creating a...
  7. gfd43tg

    Reading bar chart with standard deviation

    Hello, I don't know how the figure on the image posted works. If a grade is averaged at a B, which does this figure indicate my letter grade is? Is each box a standard deviation?
  8. WannabeNewton

    Effectively reading physics review articles

    I have the rather fortunate task of reading to completion Eric Poisson's review article on point particle equations of motion in curved spacetime, http://relativity.livingreviews.org/Articles/lrr-2011-7/ . It's a rather long and very technical review. I've only ever read one review article in...
  9. T

    Brainfarting reading Griffiths QM (small step in solving Hydrogen atom

    I can tell this is simple, but I'm just not seeing it: (pages 146-147) Radial equation = d^{2}u/dp^{2} = [1 - p_{0}/p + l(l+1)/p^{2}]u Later... (having stripped off the asymptotic p^{l}e^{-p} parts) d^{2}u/dp^{2} = p^{l}e^{-p}{[-2l-2+p+l(l+1)/p]v + 2(l+1-p)dv/dp + p*d^{2}v/dp^{2}} And he...
  10. W

    Summer Reading for Physics Teachers: Physics Books to Read

    I am a physics teacher looking for good books to read over the summer months...any books related to physics that I should read? Thanks everyone!
  11. L

    Mastering Dimension Reading: Tips for Interpreting Catia V5 Draft Dimensions

    Need some help reading these dimensions, they're from a draft made in catia v5
  12. A

    Reading Hamiltonian (.HSX) files in SIESTA

    Hi all, I am working on DFT calculations using SIESTA. I have obtained the Hamiltonian file (.HSX) from the calculations. But, I cannot read the file it. How do I read the .HSX file .
  13. H

    Fortran The exact reading of a text (fortran 90)

    Hello everyone, I am making an RSA algorithm (cryptography) with my little knowledge and I am having serious problems with the reading of the text. I am making it with a simple text reading (no raw format) and the main problem is the length of each line. For example in this text...
  14. A

    Reading glasses to reverse nearsightedness?

    This has to do with optics and a bit about biology. plus lenses (reading glasses) help the help the eyes focus on things that are close while while minus lens do the opposite. What is your opinion about using reading glasses (wearing them while reading and doing other near work) to reverse or...
  15. Y

    Reading pH: Is There A More Precise Way to Measure Volume?

    For b), do I really need to look at the graph to get the volume of HCl poured? Is there not a more precise way?
  16. U

    How to Find the Reading of Voltmeters in a Circuit with Identical Resistors?

    Homework Statement In the circuit shown below, all three voltmeters are ideal and identical. Each resistor has the same given resistance R. Voltage V is also given. Find the reading of each voltmeter. The Attempt at a Solution i = 2V/3R Applying Kirchhoff's Law to BACDE V1+V2=0...
  17. D

    MHB Interpreting a Block Diagram: How Should it be Read?

    How do we interept what is going on in the block diagram? We have u going in and being added or subtracted from noise but we arent giving the plus and minus to determine which it is. Then there is a branch off u going straight to the Kalman filter. Then y comes from the plant and is added or...
  18. S

    Improving Awful Reading Comprehension

    Ever since I have been little, I have been able to understand what I was reading, but I can't tell you what I just read from memory to save my life. I don't know what the deal is. I want to read about science figures and such (I am trying to read an Einstein book now), but I have a hard time...
  19. C

    Reel Fill Calculation - Calculating line counter reading

    Hello, I have a real world application that I need some help with. I am sensitive to the fact that this is not the space for homework questions, or homework style questions. I feel that this is neither. If you disagree, please let me know and I will post it elsewhere. It has been a while...
  20. M

    Non-academic and no paper reading career

    Hi everyone, I've recently completed a postdoc in the field of laser physics (photonics), the same field as my PhD. I was involved in both numerical modelling and experiments and have done well with quite a few publications. But I have never had a passion for my work, and I want to start a...
  21. Spinnor

    Approximate cost auto focus reading glasses?

    Take an 80 dollar pair of adjustable focus glasses, http://www.ebay.com/itm/ADLENS-HEMISPHERE-Adjustable-Reading-Glasses-Plastic-Round-Eyeglass-Frame-Gray-/310892439221?_trksid=p2054897.l4275 and use range finding hardware from a camera, add micro servos to control focus, add a computer to run...
  22. berkeman

    Anyone tried the new Spritz reading method/apps?

    Anyone tried the new "Spritz" reading method/apps? Looks to be an interesting idea. Words are flashed in the same spot on the screen in succession, instead of you having to scan across the line to read. Has anybody tried this? I'd like to find a demo to see what it is like... PC World...
  23. Saitama

    Reading Voltmeters: Constant Terminal Voltages & Resistances

    Homework Statement The terminal voltages of the power supplies shown in the figure are constant, and the values of the terminal voltage are: ##U_1=15 V## and ##U_2=45 V##. The resistances of the resistors are ##R_1=10 \Omega## and ##R_2=20 \Omega##. a) What are the readings shown by the...
  24. S

    Understanding Existential and Universal Quantifiers in Mathematical Statements

    Homework Statement I'm given a series of statements and I have to decide which one is true for my problem. Are any of these equivalent to ##\exists ! xP(x)##? ##\exists x P(x)##^## \forall y(p(y)\implies y=x)## ##\exists x \forall y, x=y \implies p(y)## ##\exists x \forall y, p(y)...
  25. D

    SR830 Lock In Amplifier Not Reading Reference Signal

    So here is my dilemma: We have our SR830 in a MOKE set-up. The modulation of the laser is with a chopper at approximataly 336 Hz. The reference signal is not being picked up by the SR830, but using the same cable the reference frequency is coming up on our oscilloscope. ie, plug the cable...
  26. K

    How Do You Calculate Input Signal from Analog Meter Readings?

    Homework Statement 1. For the pointer position in the diagram, what is the input signal if the range is set at 0.3v? (i was just wondering if my path to the solution is correct) (arrow pointing at 1.75) picture attached The Attempt at a Solution Range / scales maximum = #...
  27. A

    Interpreting Scale Readings in a Moving Lift

    Homework Statement A mass of 2kg is sitting on a dial scale balance on the floor of a lift. What is the reading on the balance when the lift is moving downward with acceleration of 3 m/s2 Homework Equations F = ma F = mg where g = 10 m/s2 in this question. The Attempt at a...
  28. bcrowell

    Reading on a scale inside a train

    I recently came across this paper http://arxiv.org/abs/physics/0504110v2 by Oas that is a semi-rant about how pedagogically evil relativistic mass is. He gives the following sample question: From the context, it appears that the students are expected to have little or no background in...
  29. A

    Fortran Retake: Reading an existing file into a fortran code

    Thank you very much for the reply. I placed the file in the same directory as the program and opened the file before executing and everything was just perfect. But my other problem is that, in my data, there consists of negative numbers. Is there a way to read the positive inputs without the...
  30. A

    Fortran Reading an existing file into a fortran code

    I am programming in fortran 90/95 and i have a problem opening an existing file for input. I have written the code without any errors, but at compilation time, the file to be read cannot open. It is as if the program does not know the location for the file. I would like to know if there is a...
  31. N

    How can I accurately read mathematical symbols to understand 3D space?

    I am not too used to reading mathematical text using symbols. I need some help confirming what I have in my textbook. The book is describing a point in 3D space using the definition R x R x R = {(x,y,z) | x,y,z \in R} and R is all real numbers Using this source describing the...
  32. Q

    MATLAB Help reading an Excel file with Matlab

    Hi everyone, this is my first post on the physics forums. I am trying to use the readtable command in Matlab to make a table from an Excel file. Matlab is still new to me so I'm running into problems a lot. When I input T = readtable('myfile.txt'), I get an error that says "? Undefined function...
  33. A

    Moment of inertia lab graph reading assistance

    The problem I am currently trying to right a lab report on a experiment trying to find a flywheels moment of inertia. In the lab we had a fly wheel connected to a mass on a string, and measured the position of a point on the wheel as the mass was accelerating downwards. The data was analysed...
  34. T

    Help on reading ephemeris in HJD(TT)

    Homework Statement The star HD209458 has an orbiting planet. The planet has a transit with ephemeris HJD(TT) 2453344.768245 + 3.52474859 E I wish to view the transit of the planet from the WHT (William Herschel Telescope) in La Palma. On which night in 2014 is the transit best...
  35. R

    Hydrostatic pressure and the reading on a scale

    http://www.thenakedscientists.com/HTML/content/kitchenscience/exp/weighing-buoyancy/So I was wondering if both the scales would show the same weight value? (the scales are marked black in the picture) The object on the left is a pyramid and the object on the right is a cube. They are both...
  36. L

    Comp Sci How to Ensure a C++ Program Reads Exactly 52 Mappings from a File?

    Homework Statement This program must read two input files, one is a key that specifies the conversion of characters the other is a text message that will be encoded based on the mapping specified in the key files. The program must use the key mappings to both encode and decode the...
  37. M

    Fortran  [Fortran] Problem reading formatted text file

    Hi all, I have a problem I'm trying to solve. I have a code that has written a simple ascii text file like this: write(ilun_out, '(E23.15,A,E23.15,A,E23.15,A,E23.15)' x, ' ', y, ' ', z, ' ', rho So this provides a nice looking ascii file with four columns, separated by a small space. Now...
  38. E

    Exploring the Casimir Effect: Online Resources & Reading

    Hey, can anyone piont me to some online resources/books that will help me understand the Casimir effect. Thank you!
  39. L

    Problem in reading the 2nd data from pcf8563 real time clock by i2c

    Suppose the 2nd data can be read after the first data, but i need to restart the condition the only can read the 2nd data. By that, i have read the slave address again before the 2nd data has been read. So how should i solve it?
  40. S

    How Do You Calculate Uncertainty in Ammeter Readings?

    Homework Statement The manufacturer of a digital ammeter quotes its uncertainty as ±1.5% ±2 digits. a. Determine the uncertainty in a constant reading of 2.64 A b. The meter is used to measure the current from a d.c. power supply. The current is found to fluctuate randomly between 1.58 A and...
  41. I

    Prerequisites for reading Superstring Theory Greene, Schwartz Witten

    I was talking to a friend of a friend who is a physics professor, and I asked him what the best way to learn (the basics of) string theory and he said that this book (Superstring Theory Greene, Schwartz Witten) is the best and the one that everyone seems to use. So I went out and brought it...
  42. A

    Can you get the power used from 1 hour meter reading?

    Can I get that kw used for that hour from reading the meter in one hour? Thanks
  43. T

    Light Reading Suggestions (Non-textbooks)

    As the topic says! Anyone read a good books lately that were related to physics/mathematics? I'm thinking history books, or things of that sort. I've recently finished reading "Black Hole Wars," by Leonard Susskind. I liked it quite a lot. It was a very nice mixture of history, anecdote, and...
  44. C

    Recommended reading on Kaluza-Klein theories.

    Hi guys! I'm looking for a good introduction to Kaluza-Klein theory(ies) and would like any recommendations. Thanks :)
  45. S

    Recommended summer reading for Quantum mechanics ?

    Hey I will be taking Quantum Mechanics 1 and 2 next year, and I am free until the end of the summer. The professor is going to use either Griffiths or Gasiorowicz. Do you recommend an easy book that I can go through until the end of the summer that would make my life easier when I take the...
  46. T

    Is it carelessness or something else? (Having trouble reading certain

    Is it carelessness or something else? (Having trouble reading certain I'm currently on exponents, and noticed that certain problems ill read it one time, and see one problem, then read it another and some of the numbers will be different. I'll read x^6 once, then I'll read it again when I'm...
  47. C

    Reading Einstein's book & confused about simultaneous events

    I'm reading "Relativity: The Special and the General Theory" and I'm at the end of Chapter 9 & confused. If I understand correctly, this is what he has said so far (in my own words): Say that lightning strikes 2 points (A and B) on a railway embankment. To determine whether the two...
  48. B

    How do overlapping reading frames happen?

    Overlapping reading frames in influenza viruses allow two proteins to be coded into the same RNA segment, but only by what appears to me as an enormous coincidence. the analogy I came up with is that overlapping reading frames are like taking a book, and moving every space one character to the...
  49. fluidistic

    Fortran Fortran, reading a particular column of a matrix, allocatable

    I have a program that makes a histogram from data taken in a file but it only works if the data is an array (nx1 matrix). I've downloaded a data file which is a 159663x12 matrix but only the 8th column contains numbers I'm interested it. The other columns contain either letters and/or numbers...
  50. B

    Reading materials (Freshman undergrad)

    Hello! I'm currently in the summer before my freshman year at a University and I was wondering what books would be "good" to read. I'm a physics major but I'm also interested in math. Let me expand, by "good" I mean some book (textbook, etc) that would expand my knowledge of physics beyond...
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