MIT OpenCourseWare: Free Courses from the institute

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  20. L and NL, NL = coNL 06.10.2026 1ч 26мин

  MIT 18.404J Theory of Computation, Fall 2020Instructor: Michael SipserView the complete course: https://ocw.mit.edu/18-404JF20YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP60_JNv2MmK3wkOt9syvfQWYReviewed log space: NL is a subset of SPACE(log^2n) and NL is a subset of P. Introduced log-space transducers and log-space reducibility. Defined NL-completeness. Proved that PATH is NL-complete. Also proved the Immerman-Szelepcsényi theorem: NL = coNL.License: Creative Commons BY-NC-SAMore information at https://ocw.mit.edu/termsMore courses at https://ocw.mit.eduSupport OCW at http://ow.ly/a1If50zVRlQWe encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  From Bold Idea to Global Legacy: 25 Years of MIT OpenCourseWare 06.10.2026 24мин

  Celebrate 25 years of MIT OpenCourseWare (OCW)—a bold experiment that became a global movement. This symposium brings together learners, educators, supporters, open knowledge leaders, and the MIT community to honor OCW’s extraordinary impact and to chart the future of open education.Welcome remarks from Dimitris Bertsimas and Curt Newton and MIT President Sally Kornbluth reflects on OCW’s impact and the Institute’s leadership in open knowledge.You and your support can shape the next 25 years of MIT OpenCourseWare. Help us reach 500 million more learners with free, open, and personalized MIT resources through our MIT Crowdfunding campaign: https://crowdfund.mit.edu/story/OpenCourseWare-S26 Learn more about your ad choices. Visit megaphone.fm/adchoices
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  24. Robustness to Dataset Shift 06.10.2026 1ч 22мин

  MIT 6.S897 Machine Learning for Healthcare, Spring 2019Instructor: David SontagView the complete course: https://ocw.mit.edu/6-S897S19YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP60B0PQXVQyGNdCyCTDU1Q5jThis lecture is primarily a discussion on things that can go wrong when deploying a machine learning model, even one that may have trained and tested well prior to deployment.License: Creative Commons BY-NC-SAMore information at https://ocw.mit.edu/termsMore courses at https://ocw.mit.edu Learn more about your ad choices. Visit megaphone.fm/adchoices
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  OCW @ 25: A Story in Motion 06.10.2026 28мин

  Premiere of a new short documentary celebrating OCW’s origins, influence, and global reach, followed by a panel with key MIT contributors who have helped shape OCW’s worldwide influence.Panelists: Dr. Ana Bell, Dr. Christopher Capozzola, Dr. Jonathan Gruber, Curt NewtonYou and your support can shape the next 25 years of MIT OpenCourseWare. Help us reach 500 million more learners with free, open, and personalized MIT resources through our MIT Crowdfunding campaign: https://crowdfund.mit.edu/story/OpenCourseWare-S26 Learn more about your ad choices. Visit megaphone.fm/adchoices
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  Lecture 4 Part 1: Gradients and Inner Products in Other Vector Spaces 06.10.2026 1ч 10мин

  MIT 18.S096 Matrix Calculus For Machine Learning And Beyond, IAP 2023Instructors: Alan Edelman, Steven G. JohnsonView the complete course: https://ocw.mit.edu/courses/18-s096-matrix-calculus-for-machine-learning-and-beyond-january-iap-2023/YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62EaLLH92E_VCN4izBKK6OEDescription: We can generalize the concept of a “gradient” beyond column vectors, e.g. to “matrix gradients” if we first generalize the concept of inner product.License: Creative Commons BY-NC-SAMore information at https://ocw.mit.edu/termsMore courses at https://ocw.mit.eduSupport OCW at http://ow.ly/a1If50zVRlQWe encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  25. Oxidative Phosphorylation 06.10.2026 1ч 37мин

  MIT 7.05 General Biochemistry, Spring 2020Instructor: Matthew Vander HeidenView the complete course: https://ocw.mit.edu/7-05S20YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62wNcIMfinU64CAfreShjptIn this lecture, Professor Vander Heiden introduces oxidative phosphorylation with the analogy of a biological battery and goes on to describe the electron transport chain, ATP synthase, and the role of membrane potential or pH. License: Creative Commons BY-NC-SAMore information at https://ocw.mit.edu/termsMore courses at https://ocw.mit.eduSupport OCW at http://ow.ly/a1If50zVRlQWe encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  Learning Without Limits: How OCW Opens Opportunity for Curious Minds Worldwide 06.10.2026 57мин

  A conversation with learners and educators whose stories reveal the transformative power of open knowledge—showing how OCW has sparked curiosity, expanded opportunity, and inspired people worldwide to imagine new possibilities for themselves and their communities.Panelists: Dr. Sarah Hansen, Andrea Henshall, Dr. Victor Odumuyiwa, Dr. Elizabeth Siler, Hinata YamaharaYou and your support can shape the next 25 years of MIT OpenCourseWare. Help us reach 500 million more learners with free, open, and personalized MIT resources through our MIT Crowdfunding campaign: https://crowdfund.mit.edu/story/OpenCourseWare-S26 Learn more about your ad choices. Visit megaphone.fm/adchoices
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  31. Amino Acid Metabolism II 06.10.2026 1ч 34мин

  MIT 7.05 General Biochemistry, Spring 2020Instructor: Matthew Vander HeidenView the complete course: https://ocw.mit.edu/7-05S20YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62wNcIMfinU64CAfreShjptProfessor Vander Heiden continues the discussion of amino acid metabolism starting with a review of the urea cycle, then details glucogenic versus ketogenic amino acid breakdown, inborn errors of metabolism, amino acid synthesis, and one-carbon metabolism.License: Creative Commons BY-NC-SAMore information at https://ocw.mit.edu/termsMore courses at https://ocw.mit.eduSupport OCW at http://ow.ly/a1If50zVRlQWe encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  24. Probabilistic Computation (cont.) 06.10.2026 1ч 30мин

  MIT 18.404J Theory of Computation, Fall 2020Instructor: Michael SipserView the complete course: https://ocw.mit.edu/18-404JF20YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP60_JNv2MmK3wkOt9syvfQWYQuickly reviewed last lecture. Simulated read-once branching programs by polynomials. Gave a probabilistic polynomial equality testing method. Concluded proving that EQ for ROBP is in BPP.License: Creative Commons BY-NC-SAMore information at https://ocw.mit.edu/termsMore courses at https://ocw.mit.eduSupport OCW at http://ow.ly/a1If50zVRlQWe encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  Knowledge Without Walls: MIT’s Ethos of Open 06.10.2026 46мин

  A cross-campus look at MIT’s leadership in all forms of open knowledge—expanding the open education legacy of OCW and championing knowledge as a public good. This session highlights how practices in open source technologies, open access, open science and data, and open publishing have evolved across MIT and influenced global movements for accessible and equitable learning.Panelists: Dr. Amy Brand, Dr. Chris Bourg, Curt Newton, Dr. Rebecca SaxeYou and your support can shape the next 25 years of MIT OpenCourseWare. Help us reach 500 million more learners with free, open, and personalized MIT resources through our MIT Crowdfunding campaign: https://crowdfund.mit.edu/story/OpenCourseWare-S26 Learn more about your ad choices. Visit megaphone.fm/adchoices
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  32. Nucleotide Metabolism 05.10.2026 1ч 32мин

  MIT 7.05 General Biochemistry, Spring 2020Instructor: Matthew Vander HeidenView the complete course: https://ocw.mit.edu/7-05S20YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62wNcIMfinU64CAfreShjptProfessor Vander Heiden introduces nucleic acid metabolism, then describes purine synthesis and uric acid, deoxyribonucleotides, pyrimidine synthesis, and the regulation of nucleic acid metabolism.License: Creative Commons BY-NC-SAMore information at https://ocw.mit.edu/termsMore courses at https://ocw.mit.eduSupport OCW at http://ow.ly/a1If50zVRlQWe encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  Catalysts of Open: Philanthropy’s Role in the Open Education Movement 05.10.2026 1ч 2мин

  A conversation with supporters and partners from the open education funding community about the essential role that philanthropy has played—and continues to play—in driving forward a global movement centered on access, equity, and the belief that knowledge should be a public good.Panelists: Dr. Peter Baldwin, Dr. TJ Bliss, Dr. Catherine M. Casserly, Peter B. KaufmanYou and your support can shape the next 25 years of MIT OpenCourseWare. Help us reach 500 million more learners with free, open, and personalized MIT resources through our MIT Crowdfunding campaign: https://crowdfund.mit.edu/story/OpenCourseWare-S26 Learn more about your ad choices. Visit megaphone.fm/adchoices
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  Lecture 2 Part 2: Vectorization of Matrix Functions 05.10.2026 37мин

  MIT 18.S096 Matrix Calculus For Machine Learning And Beyond, IAP 2023Instructors: Alan Edelman, Steven G. JohnsonView the complete course: https://ocw.mit.edu/courses/18-s096-matrix-calculus-for-machine-learning-and-beyond-january-iap-2023/YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62EaLLH92E_VCN4izBKK6OEDescription: We can view matrix functions (matrix inputs/outputs) as “ordinary” multivariable calculus by “vectorizing” a matrix into a column vector.License: Creative Commons BY-NC-SAMore information at https://ocw.mit.edu/termsMore courses at https://ocw.mit.eduSupport OCW at http://ow.ly/a1If50zVRlQWe encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  28. Pentose Phosphate Pathway 05.10.2026 1ч 35мин

  MIT 7.05 General Biochemistry, Spring 2020Instructor: Matthew Vander HeidenView the complete course: https://ocw.mit.edu/7-05S20YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62wNcIMfinU64CAfreShjptIn this lecture, Professor Vander Heiden begins with a review of the Calvin cycle, then discusses the pentose phosphate pathway involving transketolase and transaldolase as well as the oxidative PPP and the non-oxidative PPP. License: Creative Commons BY-NC-SAMore information at https://ocw.mit.edu/termsMore courses at https://ocw.mit.eduSupport OCW at http://ow.ly/a1If50zVRlQWe encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  The Future of MIT Open Education 05.10.2026 1ч 4мин

  A forward-looking dialogue on the commitments and evolution of OCW and MIT’s open learning initiatives, including mobile learning, language translation, AI-enabled personalization and learning supports, and sustaining open education’s place in future knowledge landscapes.Panelists: Dr. Dimitris Bertsimas, Dr. Sarah Hansen, Curt Newton You and your support can shape the next 25 years of MIT OpenCourseWare. Help us reach 500 million more learners with free, open, and personalized MIT resources through our MIT Crowdfunding campaign: https://crowdfund.mit.edu/story/OpenCourseWare-S26 Learn more about your ad choices. Visit megaphone.fm/adchoices
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  22. Glucogenesis/Carbohydrate Storage/TCA Cycle I 05.10.2026 1ч 33мин

  MIT 7.05 General Biochemistry, Spring 2020Instructor: Matthew Vander HeidenView the complete course: https://ocw.mit.edu/7-05S20YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62wNcIMfinU64CAfreShjptAfter a quick review of the regulation of glycolysis, Professor Vander Heiden discusses glycogen metabolism, fructose and galactose metabolism, and introduces the tricarboxylic acid cycle (TCA) cycle.License: Creative Commons BY-NC-SAMore information at https://ocw.mit.edu/termsMore courses at https://ocw.mit.eduSupport OCW at http://ow.ly/a1If50zVRlQWe encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  14. P and NP, SAT, Poly-Time Reducibility 05.10.2026 1ч 26мин

  MIT 18.404J Theory of Computation, Fall 2020Instructor: Michael SipserView the complete course: https://ocw.mit.edu/18-404JF20YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP60_JNv2MmK3wkOt9syvfQWYNOTE: There is no video for Lecture 13 as that was the day for the Midterm Exam.Quickly reviewed last lecture. Defined NTIME(t(n)) complexity classes and the class NP. Showed that COMPOSITES is in NP. Discussed the P versus NP question. Proved that acceptance problem for CFG is in P. Introduced the satisfiability problem SAT and polynomial-time reducibility.License: Creative Commons BY-NC-SAMore information at https://ocw.mit.edu/termsMore courses at https://ocw.mit.eduSupport OCW at http://ow.ly/a1If50zVRlQWe encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  Will AI negate the need for science photography? 05.10.2026 9мин

  Science Photographer Felice Frankel discusses the rapid improvements in generative AI and provides a reality check on just how much it can do in the field of scientific research.View the full Chalk Radio® episode: https://youtu.be/GqvBDc8wiu0?si=_543dMKOdnAWmU6zAI and Science Photography: https://youtu.be/0I8S6diyDjw?si=IOC2KV9CQDhl_ZgWView more from Felice Frankel on OCW: https://ocw.mit.edu/courses/res-10-001-making-science-and-engineering-pictures-a-practical-guide-to-presenting-your-work-spring-2026/ Learn more about your ad choices. Visit megaphone.fm/adchoices
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  26. Oxidative Phosphorylation/Photosynthesis I 05.10.2026 1ч 30мин

  MIT 7.05 General Biochemistry, Spring 2020Instructor: Matthew Vander HeidenView the complete course: https://ocw.mit.edu/7-05S20YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62wNcIMfinU64CAfreShjptProfessor Vander Heiden continues the discussion of topics related to oxidative phosphorylation including redox shuttles, ATP accounting, and NADPH/glutathione, and then finishes with an overview of photosynthesis.License: Creative Commons BY-NC-SAMore information at https://ocw.mit.edu/termsMore courses at https://ocw.mit.eduSupport OCW at http://ow.ly/a1If50zVRlQWe encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  Pool Testing Video 5 (No Audio) 05.10.2026 5мин

  MIT 2.00AJ Exploring Sea, Space, and Earth: Fundamentals of Engineering Design, Spring 2009View the complete course: https://ocw.mit.edu/courses/2-00aj-exploring-sea-space-earth-fundamentals-of-engineering-design-spring-2009/YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP61GIZ2gdRo6nr0Jzc14Z0ytPool testing at the Z-CenterLicense: Creative Commons BY-NC-SAMore information at https://ocw.mit.edu/termsMore courses at https://ocw.mit.eduSupport OCW at http://ow.ly/a1If50zVRlQWe encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments. Learn more about your ad choices. Visit megaphone.fm/adchoices