Nano-to-Macro Transport Processes - Lecture 14: Wave ...
Nano-to-Macro Transport Processes - Lecture 14: Wave Phenomena and ...
Description: This lecture continues previous discussion of wave propagation in thin films, and determines the energy exchange between two points. It also explores various examples in application of tunneling. Instructor: Prof. Gang Chen
Energy Decisions, Markets, and Policies - Lecture 2: ...
Energy Decisions, Markets, and Policies - Lecture 2: Comparative Energy ...
Description: This lecture provides a general overview of various energy systems on a global scale as well as a comparison of energy consumption in correlation to GDP, industry, and recent growth. Instructor: Richard Schmalensee
Introduction to Algorithms - Lecture 11: Integer ...
Introduction to Algorithms - Lecture 11: Integer Arithmetic, Karatsuba ...
Description: This is the first of two lectures on numerics, covering irrational numbers, high-precision computation, and Karatsuba multiplication. Instructor: Srini Devadas
Nano-to-Macro Transport Processes - Lecture 2: ...
Nano-to-Macro Transport Processes - Lecture 2: Characteristic Time and ...
Description: This lecture elaborates on the microscopic pictures of energy carriers. It explains more details on energy transfer, and compares between micro and nanoscale phenomena, including classical size effects and quantum size effects. Instructor: Prof. Gang Chen
Nano-to-Macro Transport Processes - Lecture 4: Solutions to ...
Nano-to-Macro Transport Processes - Lecture 4: Solutions to Schrödinger ...
Description: This lecture provides the example solutions to Schrodinger equation. It also investigates the quantized energy in material waves with different quantum numbers and quantum states, including 1-D quantum well and 2-D quantum wire. Instructor: Prof. Gang Chen
Nano-to-Macro Transport Processes - Lecture 8: Density of ...
Nano-to-Macro Transport Processes - Lecture 8: Density of States and ...
Description: This lecture emphasizes on density of (quantum mechanical) states in electrons, phonons, and photons, elaborating the topic with examples in the 2-D and 3-D structure. It also talks about quantum statistics. Instructor: Prof. Gang Chen
Introduction to Algorithms - Lecture 4: Heaps and Heap Sort
Introduction to Algorithms - Lecture 4: Heaps and Heap Sort
Description: Priority queues are introduced as a motivation for heaps. The lecture then covers heap operations and concludes with a discussion of heapsort. Instructor: Srini Devadas
Introduction to Algorithms - Lecture 7: Counting Sort, ...
Introduction to Algorithms - Lecture 7: Counting Sort, Radix Sort, Lower ...
Description: This lecture starts by using the comparison model to prove lower bounds for searching and sorting, and then discusses counting sort and radix sort, which run in linear time. Instructor: Erik Demaine
Introduction to Algorithms - Lecture 8: Hashing with ...
Introduction to Algorithms - Lecture 8: Hashing with Chaining
Description: This lecture starts with dictionaries in Python, considers the problems with using a direct-access table, and introduces hashing. The lecture discusses hashing with chaining, which is one way of dealing with collisions. Instructor: Erik Demaine
Introduction to Algorithms - Lecture 9: Table Doubling, ...
Introduction to Algorithms - Lecture 9: Table Doubling, Karp-Rabin
Description: This lecture covers table resizing, amortized analysis, string matching with the Karp-Rabin algorithm, and rolling hashes. Instructor: Erik Demaine
The Challenge of World Poverty - Lecture 13: How Do ...
The Challenge of World Poverty - Lecture 13: How Do Families Decide?
This lecture continues the discussion from lecture 12, and also includes material on how families make decisions about family planning. Instructor: Esther Duflo
The Challenge of World Poverty - Lecture 14: Gender ...
The Challenge of World Poverty - Lecture 14: Gender Discrimination
This lecture covers gender discrimination and uneven gender ratios in various countries, including India. Instructor: Abhijit Banerjee
The Challenge of World Poverty - Lecture 21: Savings 2
The Challenge of World Poverty - Lecture 21: Savings 2
Description: This lecture covers experiments conducted to understand savings and borrowing in Kenya and the Phillippines. Instructor: Abhijit Banerjee
The Film Experience - Lecture 4 (2007): Chaplin, Part II
The Film Experience - Lecture 4 (2007): Chaplin, Part II
Note: This video is from the Fall 2007 class. This lecture continues discussion of Charlie Chaplin, comparing his films to those of Buster Keaton. Outline: - Keaton vs. Chaplin - Three passages - Cops (1922) - The Gold Rush (1925) - City Lights (1931) - Modern Times ...
D-Lab: Energy - Project Presentations 2: Trip Reports
D-Lab: Energy - Project Presentations 2: Trip Reports
Three student teams give 20 minute presentations about their week-long visits to community partners, in which they test and refine various energy project designs. Speaker: MIT Students, Amy Banzaert
D-Lab: Energy - Project Presentations 3: Initial Design ...
D-Lab: Energy - Project Presentations 3: Initial Design Review
Four student teams (juice bag sealer, charcoal burn, solar charger for cell phones, rice dehusking) present initial designs, preliminary test results, and next steps, and get feedback from guest reviewers and mentors. Speaker: MIT Students
The Challenge of World Poverty - Lecture 1: Introduction
The Challenge of World Poverty - Lecture 1: Introduction
Lecture 1 provides an introduction to the study of global poverty. The class discusses the challenges of world poverty. Instructor: Abhijit Banerjee
The Challenge of World Poverty - Lecture 8: Health: Low ...
The Challenge of World Poverty - Lecture 8: Health: Low Hanging Fruit?
This lecture discusses some of the most effective and cheapest ways to promote good health, such as bednets, immunization and breast feeding. Instructor: Esther Duflo
D-Lab: Energy - Lab 3: Biogas and Biodigesters, Part I: ...
D-Lab: Energy - Lab 3: Biogas and Biodigesters, Part I: Lecture
In this pre-lab lecture, students learn about using organic matter to create biogas for cooking and when biodigesters are advantagous vs impractical. Finally, they go over a specific biodigester design in great detail, learning how each part works. Speaker: Amit Gandhi
D-Lab: Energy - Lab 4: Wiring Solar Panels, Part II: ...
D-Lab: Energy - Lab 4: Wiring Solar Panels, Part II: Activities
In this lab, students connect several small PV panels together into a circuit. They then take their solar arrays outside and compare the output of each individual panel to that of the array as a whole, and measure the effect shading has on the array. Speaker: Amit ...