News tagged with lattice

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Physicists investigate onset of effective mass

(Phys.org) —Although mass may seem to be a fairly straightforward concept, from a physics perspective it can be much more complex than weighing an object and reading off a number in grams. For instance, an object's mass ...

May 21, 2014 feature
4.8 / 5 (36) 9

Earth's mantle plasticity explained

Earth's mantle is a solid layer that undergoes slow, continuous convective motion. But how do these rocks deform, thus making such motion possible, given that minerals such as olivine (the main constituent ...

Mar 07, 2014
5 / 5 (6) 0

Manipulating electron spin mechanically

(Phys.org) —Contrary to many textbook illustrations, electrons aren't just balls floating around an atom. In quantum theory, they're more like little tops, exhibiting "spin," and each creating its own tiny ...

Dec 04, 2013
4.5 / 5 (15) 1 | with audio podcast

Copper shock: An atomic-scale stress test

(Phys.org) —Scientists used the powerful X-ray laser at the U.S. Department of Energy's SLAC National Accelerator Laboratory to create movies detailing trillionths-of-a-second changes in the arrangement ...

Oct 22, 2013
4.7 / 5 (6) 0 | with audio podcast