Inside nuclear reactors, boiling water, bubbles, and turbulent flows affect safety and efficiency. For many years, modeling turbulent bubbly flows was a challenging, time-consuming problem. Researchers were largely limited ...
General Physics
Jun 4, 2018
0
7
As he gazed down on the Amazon from above, shining leaves formed waves of foliage. The wind rippled through them, creating eddies and pools of green. From this point of view, some people may have just seen trees. But from ...
Environment
May 31, 2018
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18
For the first time, a team demonstrated a technique that creates tiny, precise metallic shapes. They rastered a beam from a helium-ion microscope through a liquid precursor to induce chemical reactions. The reactions locally ...
Nanophysics
May 31, 2018
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3
The U.S. Department of Energy's Critical Materials Institute (CMI) used laser 3D metal printing to optimize a permanent magnet material that may make an economical alternative to the more expensive rare-earth neodymium iron ...
Engineering
May 31, 2018
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6
In the future, lithium-sulfur (Li-S) rechargeable batteries could hold more energy and cost less than lithium-ion batteries if they can be made to last longer. A key challenge is preventing the polysulfide ions that must ...
Materials Science
May 24, 2018
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7
The MINERvA collaboration analyzed data from the interactions of an antineutrino—the antimatter partner of a neutrino—with a nucleus. They were surprised to find evidence that antineutrinos interacted with pairs of particles ...
General Physics
May 17, 2018
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43
Last spring, University of Colorado, Boulder research scientist Jessie Creamean spent a few weeks in frigid and windy Oliktok Point, Alaska. Within sight of the ice-bound Beaufort Sea and North Slope oil rigs and refineries, ...
Earth Sciences
May 10, 2018
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21
To get the extremely high-resolution images vital to study new materials, microbes, and more, scientists often build microscopes based on optical vortices. Forming these tiny tornadoes of light is done using quartz or liquid ...
Plasma Physics
May 7, 2018
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47
Lithium-sulfur (Li-S) batteries are a relatively new variety of battery being studied and developed by researchers around the world. Because they have very high theoretical energy densities – storing more than five times ...
General Physics
May 4, 2018
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183
The challenge of fusion energy is often equated to capturing—and holding—lightning in a bottle. The analogy is apt. Lightning and a fusion energy plasma have a lot in common. Similarities include very high temperatures, ...
Plasma Physics
May 3, 2018
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20
