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XKCD Author's Unpublished Book Remains a Best-Seller For 5 Months 169

destinyland writes Tuesday is the official release date for the newest book from the geeky cartoonist behind XKCD — yet it's already become one of Amazon's best-selling books. Thanks to a hefty pre-order discount, one blogger notes that it's appeared on Amazon's list of hardcover best-sellers since the book was first announced in March, and this weekend it remains in the top 10. Randall Munroe recently announced personal appearances beginning this week throughout the U.S. (including Cambridge, New York, Seattle, and the San Francisco Bay Area) — as well as a Google Hangout on Friday, September 12. Just two weeks ago he was also awarded the Hugo Award for Best Graphic Story — and now many of his appearances are already sold out.

Feynman Lectures Released Free Online 70

Anna Merikin writes In 1964, Richard Feynman delivered a series of seven hour-long lectures at Cornell University which were recorded by the BBC, and in 2009 (with a little help from Bill Gates), were released to the public. The three-volume set may be the most popular collection of physics books ever written, and now the complete online edition has been made available in HTML 5 through a collaboration between Caltech (where Feyman first delivered these talks, in the early 1960s) and The Feynman Lectures Website. The online edition is "high quality up-to-date copy of Feynman's legendary lectures," and, thanks to the implementation of scalable vector graphics, "has been designed for ease of reading on devices of any size or shape; text, figures and equations can all be zoomed without degradation." Volume I deals mainly with mechanics, radiation and heat; Volume II with electromagnetism and matter; and Volume III with quantum mechanics. Last year we told you when Volume I was made available. It's great to see the rest added.