News tagged with sheet
What lies beneath: Mapping hidden nanostructures
The ability to diagnose and predict the properties of materials is vital, particularly in the expanding field of nanotechnology. Electron and atom-probe microscopy can categorize atoms in thin sheets of material, ...
23 hours ago |
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Study shows global glaciers, ice caps, shedding billions of tons of mass annually
Earth's glaciers and ice caps outside of the regions of Greenland and Antarctica are shedding roughly 150 billion tons of ice annually, according to a new study led by the University of Colorado Boulder.
Space & Earth / Earth Sciences
Feb 08, 2012 |
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'Cell assay on a chip': solid results from simple means
(PhysOrg.com) -- The great artist and inventor Leonardo da Vinci once said that "simplicity is the ultimate sophistication." National Institute of Standards and Technology (NIST) research engineer Javier Atencia ...
Chemistry / Analytical Chemistry
Feb 08, 2012 |
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Image: Crack discovered in Pine Island Glacier
(PhysOrg.com) -- In mid-October 2011, NASA scientists working in Antarctica discovered a massive crack across the Pine Island Glacier, a major ice stream that drains the West Antarctic Ice Sheet. Extending ...
Space & Earth / Earth Sciences
Feb 01, 2012 |
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Bilayer graphene works as an insulator
A research team led by physicists at the University of California, Riverside has identified a property of "bilayer graphene" (BLG) that the researchers say is analogous to finding the Higgs boson in particle ...
Nanotechnology / Nanomaterials
Jan 24, 2012 |
4.5 / 5 (10) |
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Flaky graphene makes reliable chemical sensors
Scientists from the University of Illinois at Urbana-Champaign and the company Dioxide Materials have demonstrated that randomly stacked graphene flakes can make an effective chemical sensor.
Nanotechnology / Nanomaterials
Jan 17, 2012 |
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Of orbits and ice ages: Researcher confirms that axis shifts help to propel temperature changes
Though it was first suggested well over a century ago, the hypothesis that changes in Earth’s orientation relative to its orbit influence the growth and decline of ice sheets was only recently tested.
Space & Earth / Earth Sciences
Jan 11, 2012 |
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India's Mahindra Satyam sues former directors, auditor
Indian software outsourcer Mahindra Satyam on Monday said it had filed a case against past directors and a former auditor, seeking damages over a $1 billion accounting scam.
Jan 09, 2012 |
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Ice sheets can expand in a geologic instant, Arctic study shows
(PhysOrg.com) -- A fast-moving glacier on the Greenland Ice Sheet expanded in a geologic instant several millennia ago, growing in response to cooling periods that lasted not much longer than a century, according ...
Space & Earth / Earth Sciences
Dec 14, 2011 |
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Tropical sea temperatures influence melting in Antarctica
Accelerated melting of two fast-moving outlet glaciers that drain Antarctic ice into the Amundsen Sea Embayment is likely the result, in part, of an increase in sea-surface temperatures in the tropical Pacific Ocean, according ...
Space & Earth / Earth Sciences
Dec 06, 2011 |
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Simultaneous ice melt in Antarctic and Arctic
The end of the last ice age and the processes that led to the melting of the northern and southern ice sheets supply basic information on changes in our climate. Although the maximum size of the ice sheet in the northern ...
Space & Earth / Earth Sciences
Dec 02, 2011 |
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Plunge in CO2 put the freeze on Antarctica
Plunge in CO2 put the freeze on AntarcticaAtmospheric carbon dioxide levels plunged by 40% before and during the formation of the Antarctic ice sheet 34 million years ago, according to a new study. The finding helps solv ...
Space & Earth / Earth Sciences
Dec 01, 2011 |
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Taking the pulse of an iceberg -- scientists simulate laser imaging for NASA missions
Monitoring glaciers and ice sheets is complicated work. They move and change shape. They melt.
Nov 29, 2011 |
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Nanowrinkles, nanofolds yield strange hidden channels
Wrinkles and folds are ubiquitous. They occur in furrowed brows, planetary topology, the surface of the human brain, even the bottom of a gecko's foot. In many cases, they are nature's ingenious way of packing ...
Nanotechnology / Nanomaterials
Nov 23, 2011 |
3.4 / 5 (5) |
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Gamburtsev Subglacial Mountains enigma unraveled in East Antarctica
The birth of the Gamburtsev Subglacial Mountains buried beneath the vast East Antarctic Ice Sheet – a puzzle mystifying scientists since their first discovery in 1958 – is finally solved. The remarkably ...
Space & Earth / Earth Sciences
Nov 16, 2011 |
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