- #1
Hornbein
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Since August 2014 the Feynman lectures have been available free of charge. They are direct from Cal Tech online, so one may rest assured they are not pirated. They are also available as a pdf download. Best introductory text I've found.
The online site has better layout than the pdf, but is down right at the moment.
The online site has better layout than the pdf, but is down right at the moment.