The Changing Image of the Sciences
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If an eBook is available, you'll see the option to purchase it on the book page. View more FAQ's about Ebooks. Each report has been subjected to a rigorous and independent peer-review process and it represents the position of the National Academies on the statement of task. This title is part of the America's Climate Change project, the National Research Council's most comprehensive study of climate change to date.
Climate change is occurring, is caused largely by human activities, and poses significant risks for--and in many cases is already affecting--a broad range of human and natural systems. The compelling case for these conclusions is provided in Advancing the Science of Climate Change , part of a congressionally requested suite of studies known as America's Climate Choices.
While noting that there is always more to learn and that the scientific process is never closed, the book shows that hypotheses about climate change are supported by multiple lines of evidence and have stood firm in the face of serious debate and careful evaluation of alternative explanations.
As decision makers respond to these risks, the nation's scientific enterprise can contribute through research that improves understanding of the causes and consequences of climate change and also is useful to decision makers at the local, regional, national, and international levels. The book identifies decisions being made in 12 sectors, ranging from agriculture to transportation, to identify decisions being made in response to climate change.
Advancing the Science of Climate Change calls for a single federal entity or program to coordinate a national, multidisciplinary research effort aimed at improving both understanding and responses to climate change.
The Changing Image of the Sciences by Ida H. Stamhuis, Paperback | Barnes & Noble®
Seven cross-cutting research themes are identified to support this scientific enterprise. In addition, leaders of federal climate research should redouble efforts to deploy a comprehensive climate observing system, improve climate models and other analytical tools, invest in human capital, and improve linkages between research and decisions by forming partnerships with action-oriented programs.
It explains the current scientific consensus about the causes of climate change. The National Academies Press and the Transportation Research Board have partnered with Copyright Clearance Center to offer a variety of options for reusing our content. You may request permission to:. For most Academic and Educational uses no royalties will be charged although you are required to obtain a license and comply with the license terms and conditions.
The Changing Image of Psychology: The Rise of Applied Psychology
Click here to obtain permission for Advancing the Science of Climate Change. For information on how to request permission to translate our work and for any other rights related query please click here. To actually see a satellite image of a brooding and sprawling tropical cyclone is another thing altogether. But to really capture a direct image of a black hole, or at least the shadow of one outlined by the bright material being pulled toward it, requires some serious collaborative engineering.
The basic idea here is that radio telescopes in different locations are combining their signals to boost their power. If you've seen pictures of the Very Large Array in New Mexico featured prominently in the movie Contact with its multiple telescopic dishes all working together, then you can visualize the concept: Just imagine Jodie Foster tapping into an array of dishes that are separated not by meters but by thousands of miles instead.
This planet-sized observatory is necessary because, as the Smithsonian Astrophysical Observatory explains in the below animation, while Sagittarius A is 4 million times as massive as our sun, it's still really far away -- a distance of about 26, light years. This is, of course, good news for all people interested in not getting sucked into a black hole, but it makes the thing very hard to photograph; it would be comparable to trying to see the dimples on a golf ball in Los Angeles Better get out your super zoom lens, which is also kind of what the Event Horizon Telescope is.
The EHT's array of observatories includes telescopes in Chile, Hawaii, Arizona, Mexico, Spain and the South Pole, all precisely synchronized to collect several petabytes of data, all of it combined with the help of a supercomputer to create the first image of Sagittarius A. The image we expect to see Wednesday comes from data that was actually collected back in Part of the reason for the delay is that while we've become much better at processing huge amounts of data in recent years, the internet still isn't quite quick enough to zap petabytes' worth of information around the world on demand.
Each EHT location stored its observation data on a physical hard disk that had to be transported to a data-processing center and combined with data from the other observatories. So now we have a phalanx of scientists excited about looking at a black hole on the other side of the galaxy -- it's no exaggeration to say that the entire universe is at stake here That's because the shape of the black hole's event horizon in the EHT image could prove Albert Einstein's theory of how gravity works, or cast new doubt upon it.
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In a nutshell although one of seemingly immense density , Einstein said that gravity can actually warp the fabric of space-time, which is most easily thought of as the background that the Earth, the sun and everything else is moving through. So when a large star collapses on itself and turns into a very dense object with intense gravitational pull it has some serious warping power. This crazy-dense super sucker is called the "singularity" at the center of the black hole.
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The singularity is so powerful that it warps space-time and bends light near the event horizon. So the singularity causing all this chaos is actually hiding somewhere behind the shadow of the black hole created by its own, spacetime-warping, light-consuming massiveness. Authors and editors.
Du kanske gillar. Inbunden Engelska, Spara som favorit. Skickas inom vardagar. This volume is written as a reaction to the worldwide decreasing interest in the natural sciences. It addresses many intriguing questions. How is the changing image of the distinct sciences experienced by the general public, by the scientists themselves, or in disciplines in which natural sciences are applied?