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Articles 61 à 80 sur 104093
Par Daniel Ichbiah, Jean-Martial Lefranc. 2014
" Si c'était un film, on aurait accusé les scénaristes d'être outrageusement irréalistes... Telle est pourtant la réalité que le…
monde a découverte le 6 juin 2013 : une surveillance d'une ampleur démesurée s'est mise en place. Elle vise à recueillir les moindres détails de nos vies : communications téléphoniques, e-mails, consultation du Web, déplacements... Enquête sur l'espionnage numérique. Comment est née la NSA, comment a-t-elle été dotée d'un pouvoir presque sans limites au lendemain du 11 septembre 2001, avec des milliards de dollars à l'appui ? Comment Edward Snowden a-t-il réussi ? un véritable thriller ? à extraire des milliers de documents afin d'exposer ce que nos gouvernants cherchaient à nous cacher, et de poser cette question : est-ce là le monde où nous désirons voir nos enfants grandir ? Ce livre expose une réalité qui dépasse la science-fiction la plus audacieuse. Une situation dans laquelle la vie privée de chacun de nous n'existe pratiquement plus. Il se trouve aussi que ? en dépit des protestations de façade de nos dirigeants ? les agences de renseignement collaborent allègrement entre elles pour mieux pister la trace de chacun de nous. Au cas où... Comme l'a déclaré Ira Hunt, l'un des partisans de cette collecte à très grande échelle : Nous essayons de tout recueillir et de le conserver à tout jamais. Existe-t-il encore des possibilités de communiquer en toute quiétude, sans être espionné par des oreilles ou yeux indiscrets ? Oui, dans une certaine mesure, et ce livre s'attache également à décrire les moyens de défendre ce qui nous reste de vie privée. " -- 4e de couv.Par Carlo Rovelli, Patrick Vighetti. 2015
Avec les mots de l'écrivain, le talent du poète, Carlo Rovelli nous fait apercevoir le mystère du monde, la beauté…
du monde, une beauté à couper le souffle. Ces sept leçons donnent un aperçu rapide des aspects les plus importants et fascinants de la grande révolution qui a bouleversé la physique au XXe siècle, et surtout des questions et des mystères que cette révolution a soulevés. Elles nous emmènent dans le monde enchanté des grandes idées de la physique actuelle : de la relativité générale d'Einstein à la physique quantique, des particules élémentaires à l'architecture de l'Univers, de la gravité quantique à la nature du temps et de la conscience. 2015.Par Jacques Arnould. 2015
Par Jean-François Chassay. 2009
Les sciences ne peuvent échapper à la culture. C'est pourquoi la fiction, mieux souvent que l'histoire des sciences, montre comment…
elles changent nos perceptions du monde. Sept d'entre elles, parmi les plus marquantes : Giordano Bruno, Galilée, Newton, Darwin, Marie Curie, Einstein et Oppenheimer, sont ici convoquées comme autant d'exemples emblématiques de ces échanges entre science et fiction. 2009.Par Andrew Nikiforuk. 2008
Canada has one third of the world's oil source; it comes from the bitumen in the oil sands of Alberta.…
Advancements in technology and frenzied development have created the world's largest energy project in Fort McMurray, where the sticky bitumen is extracted from the earth. Providing almost 20 percent of America's fuel, much of this dirty oil is being processed in refineries in the Midwest, but Nikiforuk believes the project is polluting the air, poisoning the water, and destroying boreal forest, and argues for change. Some strong language. c2008.Par Walter Alvarez. 1997
A geologist recalls the first scientific proposals of the theory that a large asteroid or comet had collided with Earth…
sixty-five million years ago, causing the extinction of the dinosaurs. Describes the vehement debate that followed, the accumulation of evidence, and the discovery of a crater beneath the Yucatan peninsula that appears to substantiate the impact claim. c1997.Par Patricia Lauber. 1985
Discusses the human mummies of Egypt and how they were preserved, the discovery of a frozen mammoth in Siberia and…
the mummies of Peru. For junior and senior high readers. 1985.Par Jay Ingram. 1992
Ingram explores the world of speech, from the first words on earth to the complex wizardry of the brain. He…
discusses the physiology, including the theory that speech is encoded in our genes, and the dynamics of conversation. 1992.Par David Ritchie. 1988
Par Ivan Amato. 1997
Amato traces the use of stuff--raw materials--in the development of products from prehistoric to modern times. He relates the evolution…
of the field of materials science to the human ability to manipulate smaller and smaller building blocks of matter. He theorizes that "smart" materials, under research in the 1990s, signal the beginning of a new technological era. c1997.Par David Peters, Don Lessem. 1997
Lessem explains that the "biggest" dinosaurs weighed the most. They were plant-eating dinosaurs,the sauropods. He details how dinosaur bones have…
been discovered and what scientists have learned from them. He concludes with a description of the Argentinosaurus, officially named in 1993, which may prove to be the biggest dinosaur ever. Grades 3-6. c1997.Par Cary McClelland. 2018
The tech boom of our time is changing San Francisco at warp speed. Famously home to artists and activists, and…
known as the birthplace of the Beats, the Black Panthers, and the LGBTQ movement, the Bay Area has been transformed by Silicon Valley. But the richer the region gets, the more unequal and less diverse it becomes, and the cracks in the city's facade begin to show. Inspired by Studs Terkel's classic works of oral history, writer and filmmaker Cary McClelland has spent several years interviewing people at the epicenter of the Bay Area's rapid change: tech innovators, venture capitalists, coders, homeless advocates, pawn brokers, prosecutors and public defenders, tattoo artists, and tour guides. Silicon City masterfully weaves together their voices and unforgettable stories to create a dynamic portrait of a beloved city and a cautionary tale for the entire country. 2018.Par Ray Jayawardhana. 2011
After millennia of musings and a century of false claims, astronomers have found hundreds of planets around other stars since…
1995, and at the crux of the astronomers’ pursuit is one basic question: Is our solar system, with planets in circular orbits, gas giants in the outer realm and at least one warm, wet, rocky world teeming with life, the exception or the norm? Astronomers expect to find alien earths by the dozens within the next three years, and to look for signs of life before this decade is out. If they succeed, the ramifications for all areas of human thought and endeavour - from religion and philosophy to art and biology - are profound, if not revolutionary. c2011.Par Wade Davis. 1992
The diversity of humankind and the relationship to landscape, from the high Arctic and the northern forests to the swamps…
of the Orinoco, is hunted, gathered and appreciated here by Davis. He recounts a dozen journeys, some in search of ethnobotanicals; others for spiritual and poetic influences. 1992.Par Robert Kyncl, Maany Peyvan. 2017
Par Palmiro Campagna. 1997
Campagna examines the myths and legends left by the Avro Arrow jet fighter and its cancellation in 1959. Using newly-released…
documents and photos, he discusses the reasons why the Canadian government terminated the Arrow program, including the involvement of the United States. 1997.Par Lee Sandlin. 2013
Sandlin brings readers a riveting true account of supercell tornadoes. Re-creating some of the most destructive storms in America's history,…
this narrative delves into the origins of meteorology, as well as the harrowing adventures of the weather-obsessed scientists whose dedication to their profession changed a nation. 2013.Par John David North. 1996
There have been many attempts to explain the purpose of Stonehenge. Using archaeological detail and a knowledge of the heavens…
as they were many millennia ago, the author establishes the function of the stones themselves and what can be known of the religion that caused them to be erected. 1996.Par Chris Brogan. 2010
Par Shar Levine, Leslie Johnstone. 2011
Kids can learn to make their own ice cream, create an indoor avalanche and pick up an ice cube with…
just a piece of string. Also included are fun facts about icebergs, frost, "orange" snow and lots more ‘cool’ winter science! Grades 2-4. 2011.