American Scientist (May/June 2016)

Evaluate: American Scientist journal is an illustrated bimonthly journal approximately technological know-how and know-how. each one factor is stuffed with function articles written by means of famous scientists and engineers, reviewing vital paintings in fields that variety from molecular biology to computing device engineering. The articles are conscientiously edited and followed via illustrations which are built to reinforce the reader's knowing and enjoyment.

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However, because water used in hydraulic fracturing is contaminated and thus taken out of the water cycle, and because such activities are concentrated in areas where natural gas is available, water for extraction becomes important locally. Another consideration is fugitive emissions associated with hydraulic fracturing. Natural gas is mainly methane, a greenhouse gas that is 25 times more potent than carbon dioxide. Although the amount of methane varies, it’s clear that some of this gas escapes during the hydraulic-fracturing process.

Water in the West. 2013. Water and Energy Nexus: A Literature Review. Stanford, CA: Stanford University. aspx 2016 May–June Previous Page | Contents | Zoom in | Zoom out | Front Cover | Search Issue | Next Page 165 M q M q M q M q MQmags q THE WORLD’S NEWSSTAND® American Scientist Previous Page | Contents | Zoom in | Zoom out | Front Cover | Search Issue | Next Page M q M q M q M q MQmags q THE WORLD’S NEWSSTAND® Paradoxes, Contradictions, and the Limits of Science Many research results define boundaries of what cannot be known, predicted, or described.

In the United States, roughly 90 percent of our electricity comes from this type of power plant, which is why so much of the domestic water budget is used by the electricity sector. But nuclear power plants can use even higher amounts of water for cooling than do other thermoelectric plants. When discussing the energy–water nexus, most of the focus is on thermoelectric plants, because hydropower does not “use” water in the same sense as these power sources, except for evaporation that may occur on a reservoir built to support a hydroelectric dam.

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