Salt plays a greater role in undermining chalk cliffs than previously thought, say scientists. Until recently, if a chalk cliff collapsed it was blamed on waves eroding its base, or the chalk weakening as ...
Apr 19, 2013
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(Phys.org) —Scientists use scanning electron microscopes (SEMs) to study tiny structures in small organisms. SEMs can only work in a high vacuum, and exposure to such a vacuum normally causes living things ...
Apr 16, 2013
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(Phys.org) —Jumping silicon atoms are the stars of an atomic scale ballet featured in a new Nature Communications study from the Department of Energy's Oak Ridge National Laboratory.
Apr 03, 2013
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(Phys.org) —Space tethers hold intriguing potential for satellite manoeuvring, attitude control and even power generation. But about half of all orbital tether tests have either failed to deploy or snapped, ...
Apr 02, 2013
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(Phys.org) —Engineers at the University of California, San Diego are developing nanofoams that could be used to make better body armor; prevent traumatic brain injury and blast-related lung injuries in ...
Mar 26, 2013
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Have you ever thrown into the fire - even if you shouldn't have - an empty packet of crisps? The outcome is striking: the plastic shrivels and bends into itself, until it turns into a small crumpled and blackened ...
Mar 25, 2013
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Since the inception of the scanning electron microscope (SEM), users have encountered the persistent problem of contamination. Cleanliness is required for imaging and to make good quality measurements, and ...
Mar 14, 2013
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For years, researchers have developed thin films of bismuth telluride (Bi2Te3) – which converts heat into electricity or electricity to cooling – on top of gallium arsenide (GaAs) to create cooling dev ...
Mar 11, 2013
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(Phys.org)—Cornell researchers have resolved a longstanding theoretical debate about the electronic structure of iron-based superconductors by directly observing it at the atomic scale. The work is reported ...
Feb 21, 2013
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Understanding exactly how droplets and bubbles stick to surfaces—everything from dew on blades of grass to the water droplets that form on condensing coils after steam drives a turbine in a power plant—is ...
Feb 19, 2013
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(Phys.org)—Scientists at the University of Glasgow together with the Scottish Universities Environmental Research Centre and the Natural History Museum (London) have discovered the first evidence of water ...
Feb 05, 2013
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The world's smallest tunnels have a width of a few nanometers only. Researchers from Karlsruhe Institute of Technology (KIT) and Rice University, USA, have dug such tunnels into graphite samples. This will ...
Jan 23, 2013
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(Phys.org)—An international team of scientists has taken the next step in creating nanoscale machines by designing a multi-component molecular motor that can be moved clockwise and counterclockwise.
Jan 10, 2013
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(Phys.org)—As gas prices rise around the world, researchers are seeking a potential solution from endophytic fungi—fungi that live inside plants.
Jan 09, 2013
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(Phys.org)—Scientists found treasure when they studied a meteorite that was recovered April 22, 2012 at Sutter's Mill, the gold discovery site that led to the 1849 California Gold Rush. Detection of the ...
Dec 20, 2012
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