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21124

Do we need copyright? (2012)

The concept of property is a social construction. Animals, such as cats, can own a piece of food, or a territory, but only as long as they are able to personally maintain a credible threat of violence. And animals can only defend concrete, physical properties, such as an area, a dead bird or a tree. … Continue reading…

21148

He made linear algebra fun

Mathematics Professor Gilbert “Gil” Strang taught his last class to thousands after teaching calculus, analysis, and linear algebra for more than 60 years at MIT and online. He reflects on his life at the Institute and as an instructor with MIT OpenCourseWare.