The pioneering material that could change the face of engineering
All over the world, engineers are beset by a niggling problem: when materials get hot, they expand.
Materials Science
Jun 9, 2016
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Page 17 - News tagged with expansion
Males were saved by agriculture
Around 12,000 years ago, settlers in the Fertile Crescent of West Asia domesticated a few wild plant and animal species. The emergence of agriculture is believed to have driven extensive human population growths, because ...
Biotechnology
Jun 6, 2016
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Hubble finds universe may be expanding faster than expected
Astronomers using NASA's Hubble Space Telescope have discovered that the universe is expanding 5 percent to 9 percent faster than expected.
Astronomy
Jun 2, 2016
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How much does groundwater contribute to sea level rise?
Groundwater extraction and other land water contribute about three times less to sea level rise than previous estimates, according to a new study published in the journal Nature Climate Change. The study does not change the ...
Earth Sciences
May 2, 2016
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Nanoporous material's strange 'breathing' behavior
High-tech sponges of the infinitely small, nanoporous materials can capture and release gaseous or liquid chemicals in a controlled way. A team of French and German researchers from the Institut de Recherche de Chimie Paris ...
Materials Science
Apr 7, 2016
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Agriculture expansion could reduce rainfall in Brazil's Cerrado
Agricultural expansion is quickly chewing up native vegetation in the vast wooded savannas of Brazil's Cerrado biome, and a new study shows that those changes in land use are altering the region's water cycle.
Environment
Mar 31, 2016
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How 'more food per field' could help save our wild spaces
Agricultural expansion is a leading cause of wild species loss and greenhouse gas emissions. However, as farming practices and technologies continue to be refined, more food can be produced per unit of land - meaning less ...
Environment
Jan 28, 2016
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Atomic structure behaves like gears and torsion-springs to contribute to extreme compressibility
You are about to enter the strange world of coordination geometries, where energy and atomic bonding interplay to give materials unusual properties, such as negative thermal expansion (you heat something and it gets smaller) ...
Materials Science
Jan 12, 2016
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2010
A new technique to gauge the distant universe
Scientists have developed a technique to use quasars – powerful sources driven by supermassive black holes at the centre of galaxies – to study the universe's history and composition. To demonstrate the new method, based ...
Astronomy
Dec 4, 2015
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Measuring thermal expansion at low temperatures for future space missions
Space holds numerous fascinating objects which we can only investigate by observing their radiation – even beyond the visible range. For space telescopes such as the European Space Agency's (ESA) infrared observatory Herschel, ...
General Physics
Nov 23, 2015
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