 The Salem Witch Trials: A Reference GuidePart of the enduring fascination of the Salem witch trials is the fact that, to date, no one theory has been able to fully explain the events that ravaged Salem in 1692. Countless causes, from ergot-infected rye to actual demonic posession, have been offered to explain why the accusations and erratic behavior of seven village girls left hundreds... |  |  Introduction To The Calculus Of Variations"This book provides non-mathematics students with an easy way to grasp the basic idea of the calculus of variations, and its possible applications in their field of study. For mathematics students, the book leads them to the very directions which should be followed." Professor Ji-Huan He Donghua University, Shanghai, China "This... |  |  Blown to Bits: Your Life, Liberty, and Happiness After the Digital ExplosionEvery day, billions of photographs, news stories, songs, X-rays, TV shows, phone calls, and emails are being scattered around the world as sequences of zeroes and ones: bits. We can’t escape this explosion of digital information and few of us want to–the benefits are too seductive. The technology has enabled unprecedented innovation,... |