Isaac Newton’s hand-written revisions to Principia fetch $2.35 million

Written in Latin and covering one and a half pages of 220 x 189-mm paper, the heavily-corrected draft is dated from May to July 1694 and features a total of 39 lines in Newton’s hand

One of the most valuable scientific documents in history changed hands this week, when an autographed Isaac Newton manuscript of revisions to three sections of the first edition of the Philosophiae Naturalis Principia Mathematica sold at Christie’s in London for £1,702,500 (about US$2,350,000).

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Continue reading Isaac Newton’s hand-written revisions to Principia fetch $2.35 million

World Book Day: Cybersecurity’s Quietest Celebration

The last time you were in a library, or a bookstore, you probably noticed how quiet it was.  This doesn’t mean that people weren’t excited, or downright celebrating, they were engaged in a different method of celebration; the kind that takes place betw… Continue reading World Book Day: Cybersecurity’s Quietest Celebration