MIT OpenCourseWare: Free Courses from the institute

MIT OpenCourseWare: Free Courses from the institute

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MIT OpenCourseWare: Free Courses from the institute episodes

  • 9. Reducibility

    MIT 18.404J Theory of Computation, Fall 2020
    Instructor: Michael Sipser
    View the complete course: https://ocw.mit.edu/18-404JF20
    YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP60_JNv2MmK3wkOt9syvfQWY

    Uploaded 06-10-21

    Quickly reviewed last lecture. Discussed the reducibility method to prove undecidability and T-unrecognizability. Defined mapping reducibility as a type of reducibility. Showed that emptiness problem for TMs is undecidable and T-unrecognizable.

    License: Creative Commons BY-NC-SA
    More information at https://ocw.mit.edu/terms
    More courses at https://ocw.mit.edu
    Support OCW at http://ow.ly/a1If50zVRlQ

    We 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.



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    1 hr 24 min
  • Could surveillance pricing work in consumers' favor?

    Economist Jon Gruber makes the case that surveillance pricing could be used for good, with the right form of government regulation, and why it all boils down to efficiency vs equity.

    (Surveillance camera image used under CC Attribution-NonCommercial 4.0 International license)

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    6 min
  • 27. Photosynthesis II/CO2 Assimilation

    MIT 7.05 General Biochemistry, Spring 2020
    Instructor: Matthew Vander Heiden
    View the complete course: https://ocw.mit.edu/7-05S20
    YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62wNcIMfinU64CAfreShjpt

    Professor Vander Heiden discusses light reactions versus dark reactions of photosynthesis or carbon assimilation. He goes over the dark reactions of the Calvin cycle with a discussion of RuBisCO and regeneration.

    License: Creative Commons BY-NC-SA
    More information at https://ocw.mit.edu/terms
    More courses at https://ocw.mit.edu
    Support OCW at http://ow.ly/a1If50zVRlQ

    We 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.

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    1 hr 40 min
  • The Blues-Print for Innovation

    MIT 15.393 Nuts and Bolts of New Ventures, IAP 2025
    Instructor: Bob Jones

    View the complete course: https://ocw.mit.edu/courses/15-393-nuts-and-bolts-of-new-ventures-january-iap-2025/
    YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP63EUNfnwrkgO2xxwYxNwRdI

    Breakthrough innovation requires you to work within a shared structure without losing the ability to improvise. The same is true in a great blues jam.  In this talk filmed in 2026, Bob Jones plays his electric guitar and forges memorable connections to the Three Pillars of Innovation.

    License: Creative Commons BY-NC-SA
    More information at https://ocw.mit.edu/terms
    More courses at https://ocw.mit.edu
    Support OCW at http://ow.ly/a1If50zVRlQ

    We 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.

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    1 hr 25 min
  • Lecture 7 Part 1: Derivatives of Random Functions

    MIT 18.S096 Matrix Calculus For Machine Learning And Beyond, IAP 2023
    Instructors: Alan Edelman, Steven G. Johnson

    Uploaded 23-10-23

    View 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_VCN4izBKK6OE

    Description: Even if a function f is stochastic (has random numbers in it), we can still define a derivative “on average” (whose expectation value is the derivative of the expectation value of f). For example, for stochastic gradient descent in machine learning.

    License: Creative Commons BY-NC-SA
    More information at https://ocw.mit.edu/terms
    More courses at https://ocw.mit.edu
    Support OCW at http://ow.ly/a1If50zVRlQ

    We 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.



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    1 hr 14 min
  • 24. Lipids and Fatty Acid Oxidation

    MIT 7.05 General Biochemistry, Spring 2020
    Instructor: Matthew Vander Heiden
    View the complete course: https://ocw.mit.edu/7-05S20
    YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62wNcIMfinU64CAfreShjpt

    In this session, Professor Vander Heiden moves on to talking about fatty acids, triglycerides and lipids, the carnitine shuttle, fatty acid oxidation, accounting glucose versus fatty acids, and standard reduction potentials.

    License: Creative Commons BY-NC-SA
    More information at https://ocw.mit.edu/terms
    More courses at https://ocw.mit.edu
    Support OCW at http://ow.ly/a1If50zVRlQ

    We 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.

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    1 hr 28 min
  • MIT Photographer explains one thing AI can never do

    Science photographer Felice Frankel explores the difference between scientific documentation and illustration, using her iconic ferrofluid photograph to show how powerful images can draw people into the science behind them.

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    7 min
  • 20. Bioenergetics/Intro Pathways/Glycolysis I

    MIT 7.05 General Biochemistry, Spring 2020
    Instructor: Matthew Vander Heiden
    View the complete course: https://ocw.mit.edu/7-05S20
    YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62wNcIMfinU64CAfreShjpt

    Professor Vander Heiden starts this class off with highlights from bioenergetics, then goes through the first of two discussions on glycolysis by walking through each step of the pathway.

    License: Creative Commons BY-NC-SA
    More information at https://ocw.mit.edu/terms
    More courses at https://ocw.mit.edu
    Support OCW at http://ow.ly/a1If50zVRlQ

    We 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.

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    1 hr 32 min
  • 5. CF Pumping Lemma, Turing Machines

    MIT 18.404J Theory of Computation, Fall 2020
    Instructor: Michael Sipser
    View the complete course: https://ocw.mit.edu/18-404JF20
    YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP60_JNv2MmK3wkOt9syvfQWY

    Uploaded 06-10-21

    Quickly reviewed last lecture. Proved the CFL pumping lemma as a tool for showing that languages are not context free. Defined Turing machines (TMs). Defined TM deciders (halt on all inputs).

    License: Creative Commons BY-NC-SA
    More information at https://ocw.mit.edu/terms
    More courses at https://ocw.mit.edu
    Support OCW at http://ow.ly/a1If50zVRlQ

    We 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.



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    1 hr 21 min
  • Lecture 4: Smart Contracts as a Solution to a Coordination Problem

    MIT 14.129 Blockchain and the Design of Financial Systems, Spring 2025
    Instructor: Robert M. Townsend

    Uploaded 27-07-26

    View the complete course: https://ocw.mit.edu/courses/14-129-blockchain-and-the-design-of-financial-systems-spring-2025
    YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP60gb6cVqrZQXQ217r0PwZJg

    This lecture covers the commodity space, the policy objective, implementation with privately issued securities, uncoordinated Issues, and market crises.

    License: Creative Commons BY-NC-SA
    More information at https://ocw.mit.edu/terms
    More courses at https://ocw.mit.edu
    Support OCW at http://ow.ly/a1If50zVRlQ

    We 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.



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    1 hr 20 min

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A free and open online publication of educational material from thousands of MIT courses, covering the entire MIT curriculum, ranging from introductory to the most advanced graduate courses. On the…