The atoms inside materials are not always perfectly ordered, as usually depicted in models. In magnetic, ferroelectric (or showing electric polarity) and alloy materials, there is competition between random arrangement of ...
Condensed Matter
Nov 15, 2017
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Disposing of nuclear weapons production waste is important to national security. Knowing how technetium and other isotopes behave at subsurface storage sites is vital. Previous studies of radionuclide mobility have been limited ...
Environment
Nov 15, 2017
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3
Compressing a semiconductor to bring atoms closer together or stretching it to move them farther apart can dramatically change how electricity flows and how light is emitted. Scientists found an innovative way to compress ...
Nanomaterials
Nov 15, 2017
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Quantum computing could solve problems impossible for today's supercomputers. The challenge for this new form of computing is processing the quantum bits (qubits) that represent data. A qubit can be made by controlling the ...
Quantum Physics
Nov 15, 2017
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In the tropics, forests consume large amounts of carbon dioxide through photosynthesis. Elevated temperatures suppress carbon dioxide absorption while promoting plants to emit the chemical monoterpene. Scientists found that ...
Environment
Nov 15, 2017
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2
Inside a solar cell, sunlight excites electrons. But these electrons often don't last long enough to go on to power cell phones or warm homes. In a promising new type of solar cell, the solar-excited electrons have better ...
Energy & Green Tech
Nov 14, 2017
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8
Physicists on the MINERvA neutrino experiments at the Department of Energy's Fermilab faced a conundrum. Their particle detector was swamping them with images. The detector lights up every time a neutrino, a tiny elementary ...
Computer Sciences
Nov 9, 2017
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44
Changing how we light our homes and offices could save energy, but new lighting technology requires new materials with the right properties. Materials called hybrid perovskites could be vital in making change possible. Scientists ...
Materials Science
Nov 1, 2017
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5
The lithium-ion batteries that commonly power mobile phones and laptops are ubiquitous and efficient. But they can occasionally explode—as evidenced in the batteries used by Samsung's Galaxy Note 7, which the company recalled ...
Energy & Green Tech
Nov 1, 2017
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5
Most of the universe is dark, with dark matter and dark energy comprising more than 95 percent of its mass-energy. Yet we know little about dark matter and energy. To find answers, scientists run huge high-energy physics ...
General Physics
Oct 31, 2017
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