Dyson Animal Belt - Bookshelf
432 pages
Creator: George Dyson | Mathematics - 2012-03-06
... physicist Freeman Dyson, from his ofiice at the Institute for Advanced Study in Princeton, New jersey, ... To an engineer, fan belts exist between the crankshaft and the water pump. To a physicist. fan belts exist, briefly, ...
Publisher: Pantheon
About this book
“It is possible to invent a single machine which can be used to compute any computable sequence,” twenty-four-year-old Alan Turing announced in 1936. In Turing's Cathedral, George Dyson focuses on a small group of men and women, led by John von Neumann at the Institute for Advanced Study in Princeton, New Jersey, who built one of the first computers to realize Alan Turing's vision of a Universal Machine. Their work would break the distinction between numbers that mean things and numbers that do things—and our universe would never be the same. Using five kilobytes of memory (the amount allocated to displaying the cursor on a computer desktop of today), they achieved unprecedented success in both weather prediction and nuclear weapons design, while tackling, in their spare time, problems ranging from the evolution of viruses to the evolution of stars. Dyson's account, both historic and prophetic, sheds important new light on how the digital universe exploded in the aftermath of World War II. The proliferation of both codes and machines was paralleled by two historic developments: the decoding of self-replicating sequences in biology and the invention of the hydrogen bomb. It's no coincidence that the most destructive and the most constructive of human inventions appeared at exactly the same time. How did code take over the world? In retracing how Alan Turing's one-dimensional model became John von Neumann's two-dimensional implementation, Turing's Cathedral offers a series of provocative suggestions as to where the digital universe, now fully three-dimensional, may be heading next.
368 pages
Creator: George Dyson | Science - 2003-03-18
Before leaving General Atomic in September 1959, Freeman Dyson did give an informal talk exploring the limits of Orion, ... at the Institute for Advanced Study in Princeton, New Jersey, when I found a broken fan belt lying in the road .
Publisher: Owl Books
About this book
In 1957, a small group of scientists, supported by the U.S. government, launched an attempt to build a four-thousand-ton spaceship propelled by nuclear bombs. The initial plan called for missions to Mars by 1965 and Saturn by 1970. After seven years of work, political obstacles brought the effort to a halt. The Orion team, led by the American bomb-designer Theodore B. Taylor, included the physicist Freeman Dyson, whose son George was five years old when the existence of the project was first announced. In Project Orion, George Dyson has synthesized hundreds of hours of interviews and thousands of pages of newly excavated documents, still only partially declassified, to piece together one of the most tantalizing "what if" stories of the twentieth century. George Dyson grew up immersed in the world of groundbreaking science. His previous books include the acclaimed Darwin Among the Machines. He and his father, Freeman Dyson, are also the subjects of Kenneth Brower's classic profile The Starship and the Canoe. Dyson lives in Washington State. In 1957, a small group of scientists, supported by the U.S. government, launched a serious attempt to build a four-thousand-ton spaceship propelled by nuclear bombs. The initial plan called for missions to Mars by 1965 and to Saturn by 1970. After seven years of work, the project's technical challenges seemed surmountable, but political obstacles brought the effort to a halt.The Orion team, led by the American bomb designer Theodore B. Taylor, included the physicist Freeman Dyson, whose son George was five years old when the existence of the project was first announced. In Project Orion, George Dyson has synthesized hundreds of hours of interviews and thousands of pages of newly excavated documents, still only partially declassified, to piece together a history of scientific dreams unrealized. Undoubtedly, the mission to build Orion—vividly re-created by Dyson—remains one of the most tantalizing "what if?" stories of the twentieth century. "[This] absorbing tale . . . seems little short of mind-boggling today."—The Washington Post "Dyson tells [this] story with wit and humor . . . and nicely [captures] both the oddness of the idea and the underlying logic that remains compelling to this day."—The Seattle Times "Project Orion describes one of the most awesome 'might have beens' (and may yet bes!) of the space age."—Sir Arthur C. Clarke"The sheer outlandishness of the forgotten space endeavor is nothing less than fascinating."—Discover"[This] absorbing tale . . . seems little short of mind-boggling today."—The Washington Post "Dyson tells [this] story with wit and humor . . . and nicely [captures] both the oddness of the idea and the underlying logic that remains compelling to this day."—The Seattle Times"Shortly after the first Sputnik launch in 1957, an American scientific team proposed Project Orion, an enormous interplanetary spaceship propelled by exploding hundreds of nuclear bombs. The project commenced during the golden age of support for U.S. scientific research, but the team struggled to find ongoing funding. Civilian NASA found Orion unpalatable because of its inextricable link with nuclear weapons, while the military regarded the team's ultimate goal—exploration of the solar system—as peripheral to their own space research program. As public opposition to atmospheric nuclear testing grew, making even a small-scale test shot politically unfeasible, the project died for lack of support. Dyson, son of physicist Freeman Dyson (himself an Orion consultant), interviewed team members and tracked down scores of technical reports to compile this unique history."—Nancy R. Curtis, University of Maine Library, Orono, Library Journal"Lucid . . . A great strength of Dyson's project is the interviews he conducted with surviving Orion team members . . . affording readers an intimate view of the story's central characters."—Publishers Weekly
243 pages
Creator: Don Aslett | Pets - 2005-08-01
Likewise, the belt that turns the beater bar may be stretched or cracked or otherwise worn so that it slips or doesn't turn the ... you may want to consider a vacuum made especially for the purpose, such as the Dyson Model DC07 Animal.
Publisher: Marsh Creek Pr
About this book
This Must-Have Volume from Don Aslett gives pet owners all they need to keep their homes sparkling and their pets happy and sale--from cleaning methods to stain removers to deodorizers. Inside this engaging, easy-to-read book, readers not only learn how to clean up any pet mess, any time, but also how to prevent such mishaps in the future. Pet Clean-Up Made Easy, created in consultation with a number of veterinarians, behavioral specialists, and other animal experts, helps readers transform their homes and environs in all the problem areas, including: - Fleas- The stinky litterbox- Pet hair- Stains on carpets and fabrics
Dyson Animal Directory
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A deep-sea mystery has been solved with the discovery that copepods -- tiny 3-millimeter-long marine animals eaten by herring, cod and mackerel -- use the same buoyancy control as whales.
Properties of asteroid Lutetia have been found to be similar to the original material that formed the Earth. The animation depicts what is thought to have caused its drastic change in orbit to now reside in the asteroid belt between Mars and Jupiter.
