Resources Definition and 442 Threads

I would like to ask how to change the frequency of the ac supply (frequency = 50Hz) to a ac with a very high frequency. Does anyone suggest any materials or websites for me to reference? Thanks.

I was taking a lecture series this summer at my school where a professor was introducing us to introductory Galois theory. It was a very 'slack' introduction, without too much rigour. However, about a month in (only 3-4, 3 hr lectures) they stopped due to outstanding circumstances. I was a...

Hello, I'm interested in self-teaching over the summer in order to gain an advantage in the courses I will take next year. The subjects in question are: - Calculus 3 (multivariable) - Differential Equations - Linear Algebra - Thermodynamics - Strength of Materials I know that MIT...

hi i want some help about the dark energy beacuse i need to write aresearch about it so can you lead me to good references that i can back to and what are the measure topics that i can talk about thanks

Maybe there should be a resources thread/sticky here? This would make a good start: http://cew.georgetown.edu/whatsitworth/

Greetings, for the school I must find some information about the building of a small close wind tunnel . Some one know where to find it? Good day!

http://sciencecareers.sciencemag.org/ => Science Magazine's Careers section http://www.nature.com/naturejobs/ => Nature's Careers section http://chronicle.com => Chronicle of Higher Education - not specific to science, but still useful at times http://nsf.gov/publications/ => National...

More recent book than Nielsen and Chuang "Quantum Computation and Quantum Informaion" For this famous book, I discovered too late that there are no References more recent than 2000. Do you know of a textbook that covers more recent developments in Quantum Computing? Thanks Don Parsons

Hi I am thinking of learning french and/or russian. In the days of open source software, I am sure people have created great resources for this purpose. I am looking for such learning material. May be videos and stuff. Should have clear information on pronunciations. There is a lot of...

Hi, I am just wondering if anyone knows of any website that offers raw statistical data. This may be a major request but the data also has to contain dummy (indicator) variables. Thanks

http://en.wikipedia.org/wiki/Template:Toxins => Wikipedia template on toxins http://en.wikipedia.org/wiki/Template:Toxicology => Wikipedia toxicology template http://en.wikipedia.org/wiki/Template:Poisoning_and_toxicity...

http://www.quora.com/How-do-I-become-a-data-scientist Huge collections of resources can be found at http://www.quora.com/Alex-Kamil/answers (you can edit them too) For example, http://www.quora.com/What-are-some-good-resources-for-learning-about-distributed-computing...

Hi everyone. I am investigating the best online/free university physics resources that could be incorporated into a university physics curriculum. I am looking specifically for resources recommended by students. In addition to actual materials, I am also compiling teaching strategies that...

http://www.theweatherprediction.com/ http://stratus.astr.ucl.ac.be/textbook/contents.html (Introduction to Climate Dynamics and Climate Modelling - free online textbook) http://wunderground.com, http://www.weatherspark.com, http://www.wrcc.dri.edu/ => good for historical data for any...

I'm currently in classical mechanics, and we're doing collisions and two body problems currently. A good portion of the material is covered only in the notes. I could use some supplementary materials. I've looked around on the internet but I haven't found any good resources yet. I was...

Most of the sites here aren't very helpful for learning astrophysics. However, they are amazingly useful for learning more about astronomy in general (and many cover far more than what you will find in any book or textbook) http://www.solstation.com/ - amazing amounts of detail for many stars...

Any resources to learn how to do proofs or view abstract math better in linear algebra? A lot of time when I read the solution to proof questions, I don't even see how that proves the statement. The way they are written seems unintuitive. This is my first abstract math course. I've never had...

I thought the sticky topic "resources for physics teachers" looks like a concise listing for reference, and not a place for asking a bunch of questions, so I thought I should ask my questions in a new topic. I'm teaching an algebra-based college class in electricity, magnetism, geometric...

Hi, I will be volunteering my time helping my professor in the realm of "electronic packaging." There doesn't seem to be a lot of straightforward tutorials on electronic packaging, could anyone guide me with the proper resources so I can take a look? Thanks Carlo

Hey guys I've been toying with the idea of building a diy digital annometer I'm hoping it can be achieved with a device which rotates in the wind which will generate pulses from a light interupted switch. The pulses will be sent to a microcontroller which will use the info to calculate...

Over the past 3 months I've been watching Leonard Susskind's lectures (Stanford) on quantum mechanics and particle physics from YouTube. This has been an enjoyable experience and I would like to further my own education. My interest is in semiconductor physics particularly modelling using the...

Hey folks! I am currently working through my masters in mechanical engineering with a focus on combustion. I have an introductory text by Stephen Turns that is pretty good and also a more advanced text by Chung Law, but I welcome any other suggestions people might have; the more introductory...

Hey everyone! I am trying to build a small electric heater as a DIY project. My only experience in electronics is a digital electronics class I took...other than that, I'm new to just about all of this stuff, but I can pick up on things rather quickly. Does anyone have any good resources that...

Hey all, Just like to prefix this question with the statement that I am a computer scientist with a strong interest and passion for physics, so please forgive me if this question is a tad naive. With that out of the way, I have a general question about this image: It's from "The Little...

Hello all, I am asking a question that I expect will return many answers. If any of you were presented with a individual who loved the study of the very basics of energy and matter, what would you tell that person to read? Books, videos, articles...what are the best to introduce...

Not sure this is the right section for this question, but it seems the closest so... I'm part of a small team that's working on designing a scifi space-based realtime strategy (RTS) game. One of the things that we'd like to incorporate into the game is relatively realistic Newtonian physics...

im trying to learn about electricity (especially DC circuits) and having a tough time, the textbook i am using 'fundamentals of physics' by halliday,resnick, and walker doesn't do a very good job of explaining. does anyone know of any good resources that could help?

Currently in my course in topology we have covered the point-set portion of the Munkres text, and the professor has moved into some additional material in which munkres has no resources, mainly the classification of surfaces. The professor let me borrow his resource for a while, but I was...

Hi PF members. I'm a first year engineering student, and recently got my midterms back and was highly disappointed with the statics mark, 55% compared to the class average of 23.8/40, SD 9.1. I did a very large amount of practice from Hibbeler's Statics textbook, 12e, but it seemed that the...

I teach an introductory maths course which includes function, algrbra, co-ordainate geometry, quadratic equations, limits, differentiationm trigonometry, exponentials, logartithms and complex numbers. Is there a way I can post these notes somewhere on this site for people to download?

Any Good Resources for Non-Technical, Non-"Popular" Physics Videos? I am a huge fan of Richard Feynman, because he would often give lectures which were not directed at a technical-mathematical audience yet which nonetheless didn't 'fake' elements or resort to goofy comparisons such as billiard...

Hi, I'm trying to learn some geometry. I'm a maths graduate but didn't take any differential geometry. I did take a GR course, and now want to learn the 'proper' geometry theory that underlies some of the ideas. Does anyone have any good resources (videos, or lecture notes) that they can...

I need to have information on plasma physics journals , articles , can anyone give me names of some useful sites which send mails on what happening in this field.

Homework Statement Homework Equations <see above>The Attempt at a Solution I'm a bit unsure how to set this up to solve for a solution. Any advice? Its obviously a separable differential equation. But I'm unsure what it is I'm looking for. This looks different then some population...

Hi, I'm looking for any resources explaining time dilation at the atomic level. I can't find anything on it sooo If anyone could please refer me that would be helpful. kind regards

In school I'm in a class AP Computer Science where we learn java. In the past few weeks I have learned the basics of java which came very easy to me. Now I want to know what can I do to my programs to make them stand out? What should I strive for, least amount of lines or looks the best(we...

Hey guys, I entered high school not interested in math or science, which ended up really biting me. I really want to learn some university-level physics and calc before I go off to college, but I don't have the perquisite courses. ( the physics and pre-calc classes I am taking next year...

I have hard time with latex so I attached all relevant info in that picture file.:redface: Thanks you in advance!

Hello every body! I have read "The C Programming Language" and i want to know if i want to go further what is the next book you suggest?

Hi PhysicsForums, I'm writing a term paper on the properties of the von Neumann Entropy, its relation to the Shannon Entropy, and the additional complications present in the von Neumann Entropy that are not present in the Shannon Entropy. Could someone direct me to articles and books that...

I'm specifically interested in quantum mechanics, but it seems like every resource online is either so basic and obvious that its dull, or so extremely incomprehensible to my untrained mind. I read a lot of articles and forums, which are usually much more explanatory, but still there are...

I'm taking chemical engineering thermodynamics right now and I'm a little confused about Carnot and Rankin Cycles and some other stuff. I was wondering what are some good resources like books, video lectures, online notes, etc... that help explain the formulas and how they're derived and just...

I didn't see anything in my old calculus textbook. I'm in Modern Physics I (special relativity and early quantum theory), and the professors says we're going to use Fourier series/transform/integral in the next semester, Modern Physics II, which is really undergrad QM. I also might be taking a...

Hello everyone, I am an international student from India, I have been accepted to the MS in civil engineering program at Texas A&M university-college station for fall 2010. However, I chose WRE as my major, now I am having second thoughts about this major. what is the prospect of this branch...

Hi everyone, I'm not a computer scientist by any stretch, so I really apologise if this is a stupid question. This is my situation: I'm trying to help out one of my colleagues who has written a highly numerically intensive program which consumes RAM. He now has a large number of...

Hi everyone, I'm looking for books or resources where I can read about things like measurement of cross section, cross-section asymmetry and polarization in the context of pion-neutron scattering, but also more generally in particle physics. By measurement, I don't mean experiments alone, but...

I need some general information about hard coatings and their basic oxides, but I cannot find any good links... Is it possible that you could know a link or two?

hi i am a physics graduate and have studied electronics but had problem grasping it. please suggest me online resources where I can learn electronics from the basics. thanks I Newton

An undergrad here, about to finish up within a couple of months. My grades aren't too good overall and I think I've learned that the academic life is not for me. Well, to be more precise, the stress and pressure associated with academic life is not for me. I am thinking about the possibility of...

[FONT="Palatino Linotype"] Friends,seeking some doctoral Researchers in the sub-domain of thin-films,I would want the following assistance from any of them: (1)A Standard Reference Book that addresses introductory (Post Grad.) and advanced (PhD) topics in thin Films.(2) Some standard Lab...