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Today complex numbers have such widespread practical use--from electrical engineering to aeronautics--that few people would expect the story behind their derivation to be filled with adventure and enigma. In An Imaginary Tale, Paul Nahin tells the 2000-year-old history of one of mathematics' most elusive numbers, the square root of minus one, also known as i. He recreates the baffling mathematical problems that conjured it up, and the colorful characters who tried to solve them.
In 1878, when two brothers stole a mathematical papyrus from the ancient Egyptian burial site in the Valley of Kings, they led scholars to the earliest known occurrence of the square root of a negative number. The papyrus offered a specific numerical example of how to calculate the volume of a truncated square pyramid, which implied the need for i. In the first century, theToday complex numbers have such widespread practical use--from electrical engineering to aeronautics--that few people would expect the story behind their derivation to be filled with adventure and enigma. In An Imaginary Tale, Paul Nahin tells the 2000-year-old history of one of mathematics' most
A cornerstone of Sartre's philosophy, The Imaginary was first published in 1940. Sartre had become acquainted with the philosophy of Edmund Husserl in Berlin and was fascinated by his idea of the 'intentionality of consciousness' as a key to the puzzle of existence. Against this background, The
Some probability problems are so difficult that they stump the smartest mathematicians. But even the hardest of these problems can often be solved with a computer and a Monte Carlo simulation, in which a random-number generator simulates a physical process, such as a million rolls of a pair of
The astonishing conclusion to the Engineer Trilogy, an exquisitely crafted tale of revenge from a unique and remarkable new voice in fantasy fiction.The engineer Ziani Vaatzes engineered a war to be reunited with his family. The deaths were regrettable, but he had no choice.Duke Valens dragged his
In the mid-eighteenth century, Swiss-born mathematician Leonhard Euler developed a formula so innovative and complex that it continues to inspire research, discussion, and even the occasional limerick. Dr. Euler's Fabulous Formula shares the fascinating story of this groundbreaking formula--long
The popular paperback edition of this fascinating collection of stories, which continue the tales of The Lord of the Rings and The Silmarillion and contains an alternative version of The Children of Hurin
A sensitive and compassionate story of the strong bonds of friendship and
From the author of 'Crash' and 'Cocaine Nights' comes an unnerving tale of life in a modern tower block running out of control.Within the concealing walls of an elegant forty-storey tower block, the affluent tenants are hell-bent on an orgy of destruction. Cocktail parties degenerate into marauding
The Silver Witch is an enchanting tale of love and ancient magic set in the glorious Welsh landscape, past and
A tale of one man's obsession with rainforest jewels, this is the story of an impossible dream: a quest to see every one of the world's most elusive avian gems--a group of birds known as pittas--in a single year. Insightful, compelling, and laugh-out-loud funny, this is more than a book about
An epic tale of the 'Father of Progressive Resistance Training', told by Olympian and fitness Hall-of-Famer John Abdo. Thousands of years after his death, Milo of Croton is still undisputedly revered to be the strongest man who ever lived. This dominant Olympian wrestler routinely entered packed
A futuristic tale of samurai adventure from the creator of Naruto Becoming a samurai seems like an impossible dream for Hachimaru, a boy who can't even survive without the help of his father. But when a samurai cat appears before him, his whole life changes The legendary creator of Naruto and a
Kelley Armstrong's first short story collection - a gripping medley of tales involving many of her much-loved
Curry tells the story of an array of familiar Indian dishes and the people who invented, discovered, cooked and ate
The Story of English is the extraordinary tale of the origins and development of the English language. Two thousand years ago English was confined to a handful of savage tribes on the shores of north-west Europe; More widely scattered, written and spoken than any other language in history,
Opening like an early Tom Waits barstool-tale, The Motel Life tells the story of two brothers, Frank and Jerry
The Yorkshire Hunter tells the story of boxing champion Paul Ingle, endearing and enduring product of one of Scarborough's toughest housing estates, who never deserted his roots. It is the tale of a fighter who won world titles and represented his country but who, left with a blood clot on his
A Times Literary Supplement Book of the Year 'Richly evocative and entertaining.'--Guardian 'An essential book for anyone who wants to Polari bona '--Attitude 'Exuberant, richly detailed. . . . A delightful read.'--Tatler Polari is a language that was used chiefly by gay men in the first half of
From an award-winning author of historical fiction comes a story of survival, crime, adventure, and horses in the streets of 19th century New York City. Eleven-year-old Rocco is an Italian immigrant who finds himself alone in New York City after he's sold to a padrone by his poverty-stricken
From the author of Argo comes an unforgettable behind-the-scenes story of espionage in action. In the first ever memoir by a top-level operative to be authorized by the CIA, Antonio J. Mendez reveals the cunning tricks and insights that helped save hundreds from deadly situations.Adept at creating
The true story of life on the maternity
Taylor brings an ethnographer's eye, ear, and many years of experience to this fictional portrait of life along the US/Mexico desert border. In these linked short stories, readers are taken on a wild ride from San Diego to Nogales, into Mexican and Chicano neighborhoods, failed spas and defunct
'Robert Verkaik makes a revisionist case for an unsung aircraft, the Boulton Paul Defiant. This two-seat gun-turret fighter is, argues Verkaik, the forgotten fighter of Dunkirk and the Battle of Britain; the effectiveness as well as the courage of its crews is overlooked in standard accounts. To
Newbery Medal-winner Kelly Barnhill's debut novel is an eerie tale of magic, friendship, and sacrifice.Enter a world where magic bubbles just below the surface. . . .When Jack is sent to Hazelwood, Iowa, to live with his strange aunt and uncle, he expects a summer of boredom. Little does he know