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Randy Pausch’s Last Lecture for 2011

In 2007, just months before his death, computer scientist Randy Pausch delivered the lecture of a lifetime at Carnegie Mellon University. His talk has become more popularly known as The Last Lecture.

Beth Lebwohl

January 3, 2011

Measure the sun! Here’s how to do it

You can measure the sun with a ruler, tape measure and a small mirror. Yes, the actual size of the sun! You'll need a little math, but it's a great school project.

Larry Sessions

January 2, 2011