MIT OpenCourseWare: Free Courses from the institute

MIT 3.091 Introduction to Solid-State Chemistry, Fall 2018
Instructor: Jeffrey C. Grossman
View the complete course: https://ocw.mit.edu/3-091F18
Course Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP63z5HAguqleEbsICfHgDPaG
Highlights Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP61q4qJ1vdkBbiWn3AF1q5SQ

Uploaded 07-12-20

Why this matters: understanding point defects in materials.

License: Creative Commons BY-NC-SA
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MIT 18.156 Projection Theory, Spring 2025
Instructor: Lawrence D Guth
View the complete course: https://ocw.mit.edu/courses/18-156-projection-theory-spring-2025
YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62K9_7Pg26ytrAOXwXFpN43

Uploaded 03-11-25

The Bourgain-Katz-Tao projection theorem, from the early 2000s, is the first result in projection theory that really goes beyond the two fundamental techniques we introduced in Lecture 2.

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MIT 3.091 Introduction to Solid-State Chemistry, Fall 2018
Instructor: Jeffrey C. Grossman
View the complete course: https://ocw.mit.edu/3-091F18
Course Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP63z5HAguqleEbsICfHgDPaG
Highlights Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP61q4qJ1vdkBbiWn3AF1q5SQ

Uploaded 07-12-20

X-rays have the right range of wavelengths to image at the atomic scale.

License: Creative Commons BY-NC-SA
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More courses at https://ocw.mit.edu
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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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MIT 18.156 Projection Theory, Spring 2025
Instructor: Lawrence D Guth
View the complete course: https://ocw.mit.edu/courses/18-156-projection-theory-spring-2025
YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62K9_7Pg26ytrAOXwXFpN43

Uploaded 03-11-25

We give a friendly introduction to the field of random walks on finite groups. We discuss theorems of Selberg and Bourgain-Gamburd.

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MIT 3.091 Introduction to Solid-State Chemistry, Fall 2018
Instructor: Jeffrey C. Grossman
View the complete course: https://ocw.mit.edu/3-091F18
Course Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP63z5HAguqleEbsICfHgDPaG
Highlights Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP61q4qJ1vdkBbiWn3AF1q5SQ

Uploaded 07-12-20

Why this matters: how much water on earth is safe for humans to consume.

License: Creative Commons BY-NC-SA
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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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MIT 18.156 Projection Theory, Spring 2025
Instructor: Lawrence D Guth
View the complete course: https://ocw.mit.edu/courses/18-156-projection-theory-spring-2025
YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62K9_7Pg26ytrAOXwXFpN43

Uploaded 03-11-25

The Szemeredi-Trotter theorem gives the sharp answer to a natural discrete projection problem in the plane. The proof of the theorem is based on topology, and it is completely different from the proofs we have explored earlier.

License: Creative Commons BY-NC-SA
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MIT 3.091 Introduction to Solid-State Chemistry, Fall 2018
Instructor: Jeffrey C. Grossman
View the complete course: https://ocw.mit.edu/3-091F18
Course Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP63z5HAguqleEbsICfHgDPaG
Highlights Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP61q4qJ1vdkBbiWn3AF1q5SQ

Uploaded 07-12-20

Why this matters: how the p-n junction and the transistor brought forth an amazing revolution.

License: Creative Commons BY-NC-SA
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More courses at https://ocw.mit.edu
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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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MIT 18.156 Projection Theory, Spring 2025
Instructor: Lawrence D Guth
View the complete course: https://ocw.mit.edu/courses/18-156-projection-theory-spring-2025
YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62K9_7Pg26ytrAOXwXFpN43

Uploaded 03-11-25

We discuss the work of Lindenstrauss-Mohammadi on quantitative Ratner theorems, and how projection theory plays a role in the proof.

License: Creative Commons BY-NC-SA
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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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MIT 3.091 Introduction to Solid-State Chemistry, Fall 2018
Instructor: Jeffrey C. Grossman
View the complete course: https://ocw.mit.edu/3-091F18
Course Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP63z5HAguqleEbsICfHgDPaG
Highlights Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP61q4qJ1vdkBbiWn3AF1q5SQ

Uploaded 07-12-20

The arrangement of bonds plays an important role in determining the properties of crystals.

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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MIT 18.156 Projection Theory, Spring 2025
Instructor: Lawrence D Guth
View the complete course: https://ocw.mit.edu/courses/18-156-projection-theory-spring-2025
YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP62K9_7Pg26ytrAOXwXFpN43

Uploaded 03-11-25

The projection of a rough function at a typical angle is usually smoother than the original function.

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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