What causes a material to be magnetic?
How does a windmill create electricity
Do all objects fall at the same rate, regardless of weight or size?
This video shows white matter tracts, the long-range connections of the human brain. The tracts are revealed here through a MRI-based method known as 'diffusion tensor imaging' or DTI. The video is based on data produced by Dr Satrajit Ghosh at the McGovern Institute for Brain Research at MIT.
New Milford (N.J.) High School students explain how they used MIT OpenCourseWare to learn how to code and create games.
Description: This lecture starts with how to define useful subproblems for strings or sequences, and then looks at parenthesization, edit distance, and the knapsack problem. The lecture ends with a brief discussion of pseudopolynomial time. Instructor: Erik Demaine