Download e-book for kindle: A Matter of Degrees: What Temperature Reveals about the Past by Gino Segrè

By Gino Segrè

In a superb synthesis of technological know-how, background, and mind's eye, Gino Segrè, an the world over well known theoretical physicist, embarks on a wide-ranging exploration of the way the basic medical suggestion of temperature is sure up with the very essence of either existence and topic.

- Why is the interior temperature of so much mammals mounted close to 98.6°?
- How do geologists use temperature to trace the heritage of our planet?
- Why is the search for absolute 0 and its quantum mechanical importance the main to knowing superconductivity?

And what will we research from neutrinos, the subatomic "messages from the sun" which may carry the main to realizing the birth-and death-of our sun method? In answering those and 1000's of different temperature-sensitive questions, Segrè offers an uncanny view of the area round us.

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Additional info for A Matter of Degrees: What Temperature Reveals about the Past and Future of Our Species, Planet, and Universe

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That summer, North America suffered an extreme heat wave and the worst drought since the dust-bowl years of the 1930s. By July, 45 percent of the United States was in a drought and a few prominent scientists stated publicly that global climate change was probably the cause. Moreover, this extreme summer followed a period of intense worldwide publicity about the Antarctic ozone hole and the negotiation of the Montreal Protocol, the international treaty to control the ozone-depleting chemicals. Under these conditions, politicians and the public were primed to consider the possibility that human activities could be disrupting the global climate.

If someone says, “The Yankees should win the World Series,” he probably means they are likely to win (a positive claim), not that it is right or just or proper that they win (a normative claim). Of course, he might mean both these things, providing an example of how we sometimes combine – and confuse – positive and normative statements. There are several important differences between positive claims or questions, and normative ones. First, if a positive question is sufficiently well posed – meaning all the terms in it are defined clearly and precisely enough – it has right and wrong answers.

The EU has committed to much more aggressive targets, however – 20 percent below 1990 levels by 2020, to be tightened to a 30 percent cut if other industrial countries agree to make similar efforts. To achieve these cuts, the EU has implemented a system of tradable emissions permits covering power plants and most large industrial sources (about half of total emissions), plus regulations covering buildings, vehicles, appliances, other equipment, and biofuels. 7 percent below the 1990 baseline, with additional measures optimistically projected to bring them to 7 percent below baseline by 2010.

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A Matter of Degrees: What Temperature Reveals about the Past and Future of Our Species, Planet, and Universe by Gino Segrè

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