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https://ocw.mit.edu/courses/7-01sc-fundamentals-of-biology-fall-2011/7.01sc-fall-2011.zip | PROFESSOR: Hi. In this clip, we're going to go through problem two of the transcription and translation unit. We're also going to review all of the information you would need to fill out problem one, the table. If you haven't tried these problems yet on your own, please pause the video now and try them, and then come b... |
https://ocw.mit.edu/courses/8-04-quantum-physics-i-spring-2016/8.04-spring-2016.zip | PROFESSOR: There's one more property of this thing that is important, and it's something called the correspondence principle, which is another classical intuition. And it says that the wave function, and it addresses the question of what happens to the amplitude of the wave function. It says that the wave function shou... |
https://ocw.mit.edu/courses/8-01sc-classical-mechanics-fall-2016/8.01sc-fall-2016.zip | So let me summarize what the steps that we've taken are to do this differential analysis. So when you're trying to analyze a continuous mass distribution, the first step is to pick some arbitrary mass element, a small but finite size mass element somewhere in the middle of the mass distribution. You don't want to pick ... |
https://ocw.mit.edu/courses/5-111sc-principles-of-chemical-science-fall-2014/5.111sc-fall-2014.zip | The following content is provided under a Creative Commons license. Your support will help MIT OpenCourseWare continue to offer high quality educational resources for free. To make a donation or to view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. CATHERINE DRENNAN: Let's ... |
https://ocw.mit.edu/courses/8-01sc-classical-mechanics-fall-2016/8.01sc-fall-2016.zip | We are now considering the motion of a rigid body. And we'd like to talk about kinetic energy of rotation and properties of that rigid body. Let's consider a rigid body, and let's say that our rigid body is rotating about an axis passing through a point S. If we look overhead at our rigid body, then what we're going to... |
https://ocw.mit.edu/courses/3-091sc-introduction-to-solid-state-chemistry-fall-2010/3.091sc-fall-2010.zip | The following content is provided under a creative commons license. Your support will help MIT OpenCourseWare continue to offer high quality educational resources for free. To make a donation or view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. PROFESSOR: Hi, I'm Jocelyn, ... |
https://ocw.mit.edu/courses/3-054-cellular-solids-structure-properties-and-applications-spring-2015/3.054-spring-2015.zip | LORNA GIBSON: My name's Lorna Gibson. I'm the professor for 3.054, it's a course on cellular solids. And I've been working on cellular solids since I was a graduate student, since I did my Ph.D. And cellular solids are materials that are made up of an interconnected network of struts or plates. And there's examples lik... |
https://ocw.mit.edu/courses/7-016-introductory-biology-fall-2018/7.016-fall-2018.zip | PROFESSOR: OK. Let's get going here. So this week I'll be talking about bacteria and viruses. And these are really significant topics, because I think it's something that we often don't think about the magnitude of the problems and what kind of crises we're approaching with respect to the therapeutic treatment of infec... |
https://ocw.mit.edu/courses/8-01sc-classical-mechanics-fall-2016/8.01sc-fall-2016.zip | Let's compare kinetic energies in a two particle one-dimensional collision in different reference frames. So we could have one reference frame in which particle 1 is coming in and particle 2 is moving like that. And in particular-- so we can call this the ground frame. And now let's consider the center of mass frame. A... |
https://ocw.mit.edu/courses/7-014-introductory-biology-spring-2005/7.014-spring-2005.zip | And, we're going to make a major shift. You're going to feel like this is a whole different class compared to what we were talking about last time, because were jumping from the biogeochemical cycles, or looking at the biosphere as essentially a large biochemical machine, to studying individual populations of organism... |
https://ocw.mit.edu/courses/8-01sc-classical-mechanics-fall-2016/8.01sc-fall-2016.zip | So I would like to tell you about friction today. Friction is a very mysterious subject, because it has such simple rules at the macroscopic scale, and yet-- as I will show you and tell you a little bit about today-- very different rules at the nanoscopic scale. So I would like to tell you about friction at the nano sc... |
https://ocw.mit.edu/courses/7-016-introductory-biology-fall-2018/7.016-fall-2018.zip | ADAM MARTIN: And so today and for the remainder of the week, the theme is going to be the cell division cycle. And so we're going to really talk about the cell division cycle in every lecture this week with the penultimate lecture talking about how dysregulation of the cell division cycle results in a pathological cond... |
https://ocw.mit.edu/courses/8-01sc-classical-mechanics-fall-2016/8.01sc-fall-2016.zip | Let's consider a ball that is dropped from a certain height, h i, above the ground and this ball is falling. It hits the ground and it bounces up until it reaches some final height, h final. Now when the ball is colliding with the ground, there are collision forces. And in this problem what we like to do is figure out ... |
https://ocw.mit.edu/courses/5-111-principles-of-chemical-science-fall-2008/5.111-fall-2008.zip | The following content is provided under a Creative Commons license. Your support will help MIT OpenCourseWare continue to offer high quality educational resources for free. To make a donation or view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. PROFESSOR: And this is a que... |
https://ocw.mit.edu/courses/8-421-atomic-and-optical-physics-i-spring-2014/8.421-spring-2014.zip | The following content is provided under a Creative Commons license. Your support will help MIT OpenCourseWare continue to offer high-quality educational resources for free. To make a donation, or view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. PROFESSOR: The last topic w... |
https://ocw.mit.edu/courses/5-112-principles-of-chemical-science-fall-2005/5.112-fall-2005.zip | The following content is provided by MIT OpenCourseWare under a Creative Commons license. Additional information about our license and MIT OpenCourseWare in general is available at ocw.mit.edu. Let's pick up from where we were on Friday. We had discovered the nucleus. Now we were faced with the problem, as all the scie... |
https://ocw.mit.edu/courses/8-01sc-classical-mechanics-fall-2016/8.01sc-fall-2016.zip | We're now going to introduce the concept of potential energy. Let's begin by considering a system where a conservative force is acting. So I'll consider a conservative force, which I'll call F sub c. So force set to force, the work integral is path independent. So the work integral for this force is the integral of F s... |
https://ocw.mit.edu/courses/5-111sc-principles-of-chemical-science-fall-2014/5.111sc-fall-2014.zip | The following content is provided under a Creative Commons license. Your support will help MIT OpenCourseWare continue to offer high quality educational resources for free. To make a donation or to view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. CATHY DRENNAN: So now, we... |
https://ocw.mit.edu/courses/8-04-quantum-physics-i-spring-2016/8.04-spring-2016.zip | PROFESSOR: So let's do an example where we can calculate from the beginning to the end everything. Now, you have to get accustomed to the idea of even though you can calculate everything, your formulas that you get sometimes are a little big. And you look at them and they may not tell you too much unless you plot them ... |
https://ocw.mit.edu/courses/8-421-atomic-and-optical-physics-i-spring-2014/8.421-spring-2014.zip | The following content is provided under a Creative Commons license. Your support will help MIT OpenCourseWare continue to offer high quality educational resources for free. To make a donation or view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. PROFESSOR: OK. Well, the res... |
https://ocw.mit.edu/courses/8-421-atomic-and-optical-physics-i-spring-2014/8.421-spring-2014.zip | The following content is provided under a Creative Commons license. Your support will help MIT OpenCourseWare continue to offer high quality educational resources for free. To make a donation or view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. PROFESSOR: Good afternoon. S... |
https://ocw.mit.edu/courses/5-111sc-principles-of-chemical-science-fall-2014/5.111sc-fall-2014.zip | The following content is provided under a Creative Commons license. Your support will help MIT OpenCourseWare continue to offer high quality educational resources for free. To make a donation or to view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. CATHERINE DRENNAN: That's... |
https://ocw.mit.edu/courses/8-01sc-classical-mechanics-fall-2016/8.01sc-fall-2016.zip | How do we solve problems involving massive pulleys using Newton's laws? As a simple example, let's look at this problem, consisting of a block of mass m1 hanging from a massive pulley that has a moment of inertia I and radius r. We'll find the acceleration of the block, a1, and the angular acceleration of the massive p... |
https://ocw.mit.edu/courses/8-01sc-classical-mechanics-fall-2016/8.01sc-fall-2016.zip | Now we'd like to analyze in more depth our result that for a system of particles-- so let's indicate our system. We had particle 1. We have our jth particle. And we have a particle N. So here's our system of particles where the total force caused the momentum of the system of particles to change. Now, I'd like to exami... |
https://ocw.mit.edu/courses/7-016-introductory-biology-fall-2018/7.016-fall-2018.zip | ADAM MARTIN: And so I just want to say a couple sentences about DNA sequencing, just to finish that up. And so you'll remember this slide from last lecture. And remember, the way this Sanger technique works is to set up four different reactions where each reaction has a different one of these dideoxynucleotides. OK, so... |
https://ocw.mit.edu/courses/8-821-string-theory-and-holographic-duality-fall-2014/8.821-fall-2014.zip | The following content is provided under a Creative Commons license. Your support will help MIT OpenCourseWare continue to offer high quality educational resources for free. To make a donation, or to view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. PROFESSOR: OK, let us st... |
https://ocw.mit.edu/courses/7-016-introductory-biology-fall-2018/7.016-fall-2018.zip | PROFESSOR: And today I'm going to talk about DNA sequencing. And I want to start by just sort of illustrating an example of how knowing the DNA sequence can be helpful. So you remember in the last lecture, we talked about how one might identify a gene through functional complementation. And this process involved making... |
https://ocw.mit.edu/courses/8-01sc-classical-mechanics-fall-2016/8.01sc-fall-2016.zip | One of the big difficulties students have in a problem that involves many objects is to successfully identify third law interaction pairs. So today, I'd like to look at a problem which shows us how to think about that. So what we're going to look at is third law interaction pairs. Now, the problem I'd like to consider ... |
https://ocw.mit.edu/courses/8-01sc-classical-mechanics-fall-2016/8.01sc-fall-2016.zip | Let's now consider two dimensional motion, and let's try to analyze how to describe the change in velocity. So again, let's choose a coordinate system. We have an origin plus y plus x. And let's draw the trajectory of our object. And now let's draw the object at two different times. So for instance, if I call this the ... |
https://ocw.mit.edu/courses/7-01sc-fundamentals-of-biology-fall-2011/7.01sc-fall-2011.zip | PROFESSOR: Welcome to another help session on recombinant DNA. Today, we're going to be discussing about transformation and protein expression. As you can imagine, there are often many times we will need a large amount of protein. But it can be difficult to get it from the original source. For example, you need insulin... |
https://ocw.mit.edu/courses/8-01sc-classical-mechanics-fall-2016/8.01sc-fall-2016.zip | We've seen previously that if a rope is under tension and we approximate the rope is massless that the tension is then uniform everywhere along the rope, even if the rope is accelerated. However, if the rope has nonzero mass, then its tension will vary along its length. We can see that by looking at this example. Imagi... |
https://ocw.mit.edu/courses/7-013-introductory-biology-spring-2013/7.013-spring-2013.zip | The following content is provided under a Creative Commons license. Your support will help MIT OpenCourseWare continue to offer high quality educational resources for free. To make a donation or view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. PROFESSOR: Last time I told ... |
https://ocw.mit.edu/courses/8-421-atomic-and-optical-physics-i-spring-2014/8.421-spring-2014.zip | The following content is provided under a Creative Commons license. Your support will help MIT OpenCourseWare continue to offer high quality educational resources for free. To make a donation or view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. PROFESSOR: OK. So what we ar... |
https://ocw.mit.edu/courses/8-04-quantum-physics-i-spring-2016/8.04-spring-2016.zip | PROFESSOR: If you have potential transmission coefficient for a potential where z0 is equal to 13 pi over 4. That's a square well of certain depth, and we represent it in this way. Remember n must be greater than or equal than 2z0 over pi. So this will be 13/2. And 13/2 means that we can start with n equals 7, 8, 9, an... |
https://ocw.mit.edu/courses/8-06-quantum-physics-iii-spring-2018/8.06-spring-2018.zip | PROFESSOR: What are we going to do? We're going to explore only the first Born approximation. And the first Born approximation corresponds to just taking this part. So this would be the first Born approximation. It corresponds to what we were doing here. What did we do here? Well, we're simplifying the second term, the... |
https://ocw.mit.edu/courses/7-014-introductory-biology-spring-2005/7.014-spring-2005.zip | So today we're going to continue our focus on DNA which I'm personally enthusiastic about at least in terms of being such a fascinating molecule. And I told you the story last time of how we actually came to understand that DNA was the genetic material. And I still see comments that, oh, God, all this stuff is not rel... |
https://ocw.mit.edu/courses/8-06-quantum-physics-iii-spring-2018/8.06-spring-2018.zip | PROFESSOR: So let's do a connection formula and use it to solve a problem. The derivation of such connection formulas, we'll face it the next time. And we'll go further applications of the methods. So, yes. AUDIENCE: So [INAUDIBLE] that problem like [INAUDIBLE] where the wave function vanished. Is that a problem of the... |
https://ocw.mit.edu/courses/5-61-physical-chemistry-fall-2017/5.61-fall-2017.zip | The following content is provided under a Creative Commons license. Your support will help MIT Open Courseware continue to offer high quality educational resources for free. To make a donation or to view additional materials from hundreds of MIT courses, visit MIT open courseware at ocw.mit.edu. ROBERT FIELD: Today's l... |
https://ocw.mit.edu/courses/7-016-introductory-biology-fall-2018/7.016-fall-2018.zip | ADAM MARTIN: OK. So I'm going to start out today's lecture on the wrong foot by quoting somebody that you guys probably don't know and who was a New York Yankee. So Yogi Berra, the famous Yankee catcher once said, "You can observe a lot by watching," OK? And that is very appropriate for biology because a lot of things ... |
https://ocw.mit.edu/courses/8-851-effective-field-theory-spring-2013/8.851-spring-2013.zip | The following content is provided under a Creative Commons license. Your support will help MIT OpenCourseWare continue to offer high quality educational resources for free. To make a donation or view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. PROFESSOR: Question. We know... |
https://ocw.mit.edu/courses/20-020-introduction-to-biological-engineering-design-spring-2009/20.020-spring-2009.zip | >> Sally: Hey Dude, how are you? >> Dude: I'm not doing too well. I'm trying to figure which device to use to turn off the gas-o-matic module and stop Buddy from growing too big. But I don't know how to choose! >> Sally: Hmm, well choosing the right device for your system can be pretty hard. Why don't we work on this t... |
https://ocw.mit.edu/courses/3-60-symmetry-structure-and-tensor-properties-of-materials-fall-2005/3.60-fall-2005.zip | PROFESSOR: All right, we've been slogging our way through derivation of the plane groups. And I think I'll do a few more, because we'll stumble across some major tricks in deriving a subfamily of them. But to not get lost in the forest because of all the trees, I have a set of notes. They are handwritten because my sec... |
https://ocw.mit.edu/courses/8-06-quantum-physics-iii-spring-2018/8.06-spring-2018.zip | PROFESSOR: We spoke last time of the existence of symmetric states. And for that we were referring to states psi S that belonged to the M particle Hilbert space. And V is the vector space that applies to the states of the M particles. And we constructed some states. So within the construction, we postulated, there will... |
https://ocw.mit.edu/courses/8-591j-systems-biology-fall-2014/8.591j-fall-2014.zip | The following content is provided under a Creative Commons license. Your support will help MIT OpenCourseWare continue to offer high quality, educational resources for free. To make a donation or view additional materials from hundreds of MIT courses, visit MIT OpenCourseWare at ocw.mit.edu. PROFESSOR: Today, what we w... |
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