What is Online classes: Definition and 72 Discussions

Educational technology (commonly abbreviated as EduTech, or EdTech) is the combined use of computer hardware, software, and educational theory and practice to facilitate learning. When referred to with its abbreviation, EdTech, it is often referring to the industry of companies that create educational technology.In addition to practical educational experience, educational technology is based on theoretical knowledge from various disciplines such as communication, education, psychology, sociology, artificial intelligence, and computer science. It encompasses several domains including learning theory, computer-based training, online learning, and m-learning, where mobile technologies are used.

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  1. H

    Schools Taking in-person and online classes at two colleges at the same time?

    I am currently in a college. And the college that I am currently at doesn't offer the class online. Can I go to a different college to take the classes online, and still be at the same college I'm at? I need the class online, it makes my school life and work life function more smoothly.
  2. P

    Asking the student to use a tablet in online tutoring

    I am tutoring a student on 7th grade math via zoom. I am using graphics tablet myself to write down my exposition. My student solves problems on his (paper) notebook and tells me what he wrote/how he thought it out and I re-write it on the screen and make eventual corrections. I have the...
  3. J

    Other Can I Take Online Classes with a Busy Schedule?

    May be a dumb question, but I know very little about online classes. My main question is, and I assume it does vary depending on a number of factors, but in general, is it possible to complete online classes while working a full time job with sometimes up to 80 hours a week or more. For...
  4. A

    Courses Find the Perfect Online Calc-Based Physics 2 Course with Lab for Summer"

    Hi, I was wondering if anyone knew of an online calc-based physics 2 course with a lab? I know it's a lot of criteria to match and I've had a pretty hard time searching, but I thought I'd ask in case someone else has taken or is aware of something! I need to take it this summer in order to be on...
  5. Kajal Sengupta

    Hi, I am Kajal, an online Physics teacher.

    I am happy to join this forum where I am sure I can share a lot with others. I am quite eager to participate in conversations .
  6. F

    Looking for Quantum Mechanics Courses? Any Recommendations?

    Hello guys, I just finish my first year at uni Phys and Maths,and would like to self teach Quantum Mechanics during this summer, as so I was wondering if you guys could suggest me any good full online courses/ lectures available on the web . I have found from neptel from Oxford Bookwise...
  7. P

    Series Tests and Taylor Series

    Have a quick question about taylor series. We covered taylor series somewhat in class, but there was a complete lack of explanation and our calculus book literally covers the topic in a single page. I understand the idea of a taylor series and how its related to a power series, but what I don't...
  8. Elnazar

    Options for Pursuing Physics Degree While Working Full-Time

    Hi guys! My apologies if this has already been posted, I couldn't find anything. I'm on my way to finish my Bachelor in Business Management in February at the age of 21. I come from a small town in Europe and worked my ass off to the point where I currently have lucrative job offer straight out...
  9. M

    Online jobs for college students

    As a full-time freshman in college, I am currently working at a bakery about 10 minutes from my home. I attend a commuter campus, and it takes me 40 minutes to get there from my house. I've been working at this bakery for a year. In high school I was able to work 4-5 evenings a week for a total...
  10. F

    Dependent upon solution manuals and rant about school

    I hate to admit this, but at the same time its true. I have worked as a math tutor for 6 years. I have poured everything I've ever had into studying math and physics for the last 6 years as well, but one thing I just dislike is when I have to learn a new subject for the first time while taking...
  11. marcus

    Spin foam phase space, classical action (Wieland's talk is online)

    Wieland gave his ILQGS talk yesterday, 16 September. Audio and slides are on line. Title: Covariant loop quantum gravity: Its classical action, phase space and gauge symmetries http://relativity.phys.lsu.edu/ilqgs/wieland091614.pdf http://relativity.phys.lsu.edu/ilqgs/wieland091614.wav The...
  12. R

    Using couette flow/viscosity to find force

    [b]1. It is a rainy day in Houston. You are a poor student (or TA or professor) with an old car that has bald tires. You are traveling at 60 miles/hour and you slam on the brakes (i.e., your wheels are no longer turning. Assume there is a layer of pure water 0.1 mm thick between your tires and...
  13. deedsy

    Divergence in cylindrical/spherical coordinates

    Homework Statement I'm just having trouble understanding a step in my notes from class.. We're talking about how to derive the divergence in other coordinate systems. Homework Equations So, we are deriving this divergence formula in spherical coordinates \oint \vec{A}\cdot d\vec{A} = \int...
  14. 9

    Calculus Confusion: limit of sin(x)/x

    Today was our first lesson in our high school's accelerated calculus class. The class is our school's most second most difficult math (behind multivariable calc), and prepares you for the AP BC calc exam, but material not present on the BC test is covered in class. It is really a college level...
  15. B

    GR: Metric, Inverse Metric, Affine Connection Caluculation Help

    Homework Statement Consider the Schwarschield Metric in four dimensional spacetime (M is a constant): ds2 = -(1-(2M/r))dt2 + dr2/(1-(2M/r)) + r2(dθ2 + sin2(θ)dø2) a.) Write down the non zero components of the metric tensor, and find the inverse metric tensor. b.) find all the...
  16. B

    Gaussian Wave Packet: Solve Homework Equations

    Homework Statement Wave function of an electron: ##\frac{1}{N}∫_a^b[e^{ik_0x}(1+\frac{1}{2}e^{i\frac{0.1}{2}x}+\frac{1}{2}e^{-i\frac{0.1}{2}x})]dx## The integrand becomes zero both to the left and right of x = 0 . Let a be the first time it hits zero to the left and b the first time it...
  17. A

    How can I self study a subject effectively?

    There are some classes that are not offered at my university, which I want to self study. How can I self study them effectively to get the same benefit as doing the class at university? There is this class MIT 6.024j Mathematics for Computer Science which I very much want to take online...
  18. robphy

    TabletPCs for Science and Science Teaching [blog entry from 2006]

    This old blog entry is being reposted here for archival purposes because the blog system is being removed. TabletPCs for Science and Science Teaching (Message originally posted by robphy on May20-06 at 06:45 PM.) Although the http://www.microsoft.com/windowsxp/tabletpc/default.mspx (see...
  19. M

    Schools Need Help with Advanced (Past AP) High School Courses

    I'm going into Senior year. I live I have taken 9 (3 I paid for so they don't count as dual enrollment) dual enrollment courses and next year I'm taking 4 more. I've reached my limit on college dual enrollment courses yet I have 2 spots in my schedule. I would like to use these to take...
  20. L

    Online password requirements have gotten ridiculous

    I've noticed that websites have started getting ridiculous with password requirements. I like to use the same password for everything, so I don't get confused about which account has which password. It's a pretty good password. It's a combination of letters and numbers and it's 8 characters...
  21. wired nuts

    Online versus traditional engineering classes

    I am only able to take nine hrs of traditional classroom setting a semester how much more difficult are online classes in this field as opposed to traditional
  22. B

    Anyone Ever Taken an Online Math Class?

    My school offers online courses and I'm considering taking one for Precalculus (to brush up on my skills before taking Calc.). My question is whether or not taking an online course for math of all subjects would be detrimental in anyway. I'm not even sure how it's structured (still awaiting...
  23. cpscdave

    Where Can I Find Online Resources to Pre-Learn Electromechanics?

    TLDR; I'm looking for a good online source for electromechanics material I can pre-learn prior to taking the course at university Hi folks, In the fall I'm starting my last semester of EE, and one of the courses we have to take is Electromechanics. We just found out who the professor is...
  24. S

    How can I handle a bad situation with course prerequisites?

    Hi physics forums, I'm in a bit of a situation and I was wondering if anyone could offer some advice. I'll start out describing the problem. I am currently a senior in high school but there is this program where I can take two classes at the local university. My original plan was to take calc...
  25. trollcast

    Need a Refresher on Basic EE Theory Before Starting University?

    I'm going to be starting university in september studying electrical engineering and I'm just looking for a textbook, website, online course or whatever to give me a bit of a refresher / head start on basic EE theory. In high school I have covered topics like faradays law, basic Kirchoffs laws...
  26. A

    Calculating Torque for a 21,000 lb Merry-Go-Round at 4 RPMs: A Design Challenge

    Hi everyone, I'm charged with designing a merry-go-round for a class project. It is to be driven by an electric motor and I chose to power it with a gear train. I need to pick a specific horsepower motor to drive the pinion and subsequent gears after it, finally leading to an inner ring gear...
  27. Tesladude

    Help -- car stereo is acting up with hand made amplifier

    I am adding 2 extra rear speakers in my jeep, I have some rca cables comming from the rear speaker pre-amp outputs from the back of my pioneer stereo. My plan which works beutifully is a dc-dc boost module bringing the cars 12v up to 20 for the main amplifier. The main amp is a 2x25...
  28. L

    Programs Online Degree Programs: Pursuing a BS in Mathematics

    Hello to all on the forum. I was wondering about online undergraduate degrees. I turned 25 in May and am pursing a BS in Mathematics at my local university. However, I find myself failing a lot. It's not because of the material but my lack of availability to attend classes and submit assignments...
  29. PsychonautQQ

    Intertwining Maps: Exploring Group Representations

    Homework Statement My online class notes: "Along the same vein as linear maps between vector spaces and group homomorphisms between groups we have maps between group representations that respect the algebraic structure. Definition 3.1: Let (p,V) and (q,W) be two representations of a group...
  30. R

    Programs Free online introductory classes good method of choosing an eng.major?

    I am an upcoming freshman. I will major in engineering. When applying to the school I chose mechanical because of its "versatility and stability in the job market." (I don't fully understand the meaning of these phrases; I get my knowledge from anecdotal experience when browsing forums). I may...
  31. PsychonautQQ

    Understanding Disjoint Cycles and Commutativity in Sn

    Homework Statement I'm taking an online class this summer and the notes gave the proposition that Disjoint Cycles Commute with the following proof. Proof. Let σ and τ represent two disjoint cycles in Sn and choose some arbitrary j ∈ {1,2, . . . , n}. Since σ and τ are disjoint, at most one...
  32. hawk071054

    Aerospace Engineering Student: Advice Needed

    Greetings PF. First off, I just discovered this site and I've already found it to be quite valuable. Cheers to the moderators! Now then, my inquiry. I have been accepted into an aerospace engineering program and have made plans to return to school full time this fall. I barely made the...
  33. X

    What is the purpose of the integrand in triple integration?

    Hi... So I've been self-teaching Calculus III and I'm currently having a hard time coping with the idea of triple integration. You know how the integrand is f(x,y,z)? isn't that the equation to represent a 4D sketch? because technically, f(x,y,z) is ANOTHER VARIABLE and therefore giving us a 4...
  34. S

    Newbie looking for guidance - How start learning electronics?

    Newbie looking for guidance -- How start learning electronics? I know this is going to sound strange... but I am the biggest newbie you guys will ever see :) I don't know the first thing about math, science, physics, etc. Actually going through school I actually got kicked out because I just...
  35. C

    Is Mass Dependent on Temperature According to Mass-Energy Equivalence?

    I'm a high school chem and physics teacher, participating in a recreational online chem course hosted by MIT. One of the practice questions in this course asked how many atoms a certain mass would contain at 300K. This got me thinking about mass-energy equivalence, and whether the atomic...
  36. E

    The career path becomes foggy on which direction to go

    Hey everyone, Last summer I had realized that my interest in science had spiked dramatically, and more specifically, the cosmos and physics, so I decided to research the available colleges around me and decided to start off at a community college to take the entry level courses to see if my...
  37. K

    Grade wise, what does it take to get a PhD in Math or Physics?

    I know grades aren't everything to get into a PhD program, but do know it plays a significant part in determining how well one will do in graduate school. With that being said, what does it take to get accepted into a top 20 math or physics PhD program? I've seen some applicant profiles...
  38. OmCheeto

    Jack Andraka, the Teen Prodigy of Pancreatic Cancer

    I saw a video of Jack on Upworthy this morning. Interesting kid. I read several articles about him. Someone at Forbes said they didn't include him in their "30 under 30" list, because he'd never published in a peer reviewed journal, nor were his numerical claims correct. I thought that...
  39. M

    Please. Need help with questions 5 and 6 on both sample tests.

    Sorry to deviate from the very obvious instructions in red. The problem is I need help with 4 questions and they each have figures so its much easier to upload. My prof for this course is extremely vague and the class as a whole is doing very poorly (term test average was 39%) due to his...
  40. T

    Which type of class really is harder?

    My college offers both online and offline math classes. I'm to the point now, where the math classes offered online are fewer, I need I believe up to calculus. I like the setup of online because I work like most people, and it gives me a week to complete homework and tests, rather than 2 days...
  41. M

    Commutative rings and unity element proof

    So this is a review problem in our book I came across and i really want to understand it but I am just not having any luck, I did some research and found a guide on solving it but that's not really helping either. We didn't talk about unity elements in class and there aren't any examples in our...
  42. T

    Is there ever a time when the simplest solution won't work?

    Whenever I'm on math class I've noticed that often professors, and in my online class the videos and examples all seem to be the most complicated way to finding the answer. For example if solving for an equation by elimination they'll go for eliminating y, even though you could just as easily...
  43. P

    Can I use Op Amps to amplify both DC and AC signals?

    Hello, I have two questions today Reading ahead of my class, I noticed that we were coming up on frequency response. My book kept discussing midrange gain, but it doesn't define it anywhere. I tried looking online and I couldn't find a good definition there either. The only thing I could...
  44. A

    ME Looking to transition to EE, Go for BS or MS?

    I've been working as an ME for approximately 3 years and I'm not enjoying what I'm doing as much as I'd have hoped. I'm currently completing an MS in ME Control Systems, which I absolutely love (2 courses from completion). During my MS coursework I've taken a lot of EE courses on electric...
  45. D

    Get Help for AP Physics C: Struggling Student Seeks Guidance for Future Success

    Warning: I am aware of my careless actions but please help me out Ok, I'm a Jr in highschol, I have a 3.7 GPA I've taken honors math and I'm taking ap calculus next year so I'm good with math. I haven't dealt with physics since about 7th grade and my experience with it wasn't that bad. I was...
  46. J

    Online Materials Science Resources

    Hello, I was wondering if anyone could point me in the direction of some quality materials science resources on the web? I am currently in an intro to materials science and engineering class and have been fascinated by the subject this semester. I was just wondering if there are any "go to"...
  47. L

    Is Vector Calculus Needed for Statistics?

    I've taken a multi-variable calculus course already that covers infinite sequences and series, Taylor's theorem, quadratics surfaces, double and triple integration etc. I'm looking to get a Master's Degree in statistics two years from now, is there any point of me taking a class that involves...
  48. TheSenescent

    Preparing my future, are my goals viable?

    Hello there, users of Physics Forums! My name's Keyan, and I'm a graduated 18-year-old. I only have my GED, unfortunately, but I plan to explain that happenstance in what may be a rather long post. I'm hopeful that the community here can help me make some decisions about my future and how to go...
  49. Y

    Introduction level Solid State - Mean free time/path & lattice spacing

    Homework Statement Silver has a density of 10.5E3 kg/m3 and a resistivity of 1.6E-8 Ω*m at room temperature. On the basis of the classical free electron gas model, and assuming that each silver atom contributes one electron to the electron gas, calculate the average time, Tau, between...
  50. T

    PDF of arccos and arcsin of a uniform random number

    Homework Statement I want to find the PDF for arccos and arcsin of a uniform random number. Given: Y\sim\mathcal{U}(0,2\pi) \\ X = cos(Y) The Attempt at a Solution I started with trying to find the CDF: \begin{align} F_X& = P(X \le x) \\ & = P(cos(Y) \le x) \\ & = P(Y \le arccos(x))...
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