Einstein’s Theory of Relativity needs no introduction. Actually maybe it does since we’re not dealing with light concepts here.
Relativity in a Nutshell (MP3) offers a free, 30-minute introduction to Einstein’s theoretical work. The lecture was presented by Richard Wolfson of Middlebury College. And it’s coupled with a second free lecture called Einstein’s Miraculous Year. Both lectures were produced by The Teaching Company to commemorate the 100th anniversary of Einstein’s work on relativity (1905), and they tie into a larger commercial course taught by Wolfson: Einstein’s Relativity and the Quantum Revolution: Modern Physics for Non-Scientists. The Teaching Company courses are not free, but they’re well done. And if you buy the mp3 versions when they’re on sale, you can often get the courses at a good price. Also, you can frequently find DVD versions discounted on Amazon (see, for example, here). And, even better, you can sometimes rent them for free from your local library.
In the meantime, if you’re looking for a good selection of free university courses, visit our meta list of Free Online Courses from Great Universities. Also see our Science Podcast Collection.
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