News tagged with x-ray diffraction

Probing the possibility of life on super-Earths

Along with its aesthetic function of helping create the glorious Aurora Borealis, or Northern Lights, the powerful magnetic field surrounding our planet has a fairly important practical value as well: It makes life possible.

dateJun 19, 2017 in Astronomy
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3D potential through laser annihilation

Whether in the pages of H.G. Wells, the serial adventures of Flash Gordon, or that epic science fiction saga that is Star Wars, the appearance of laser beams—or rays or phasers or blasters—ultimately meant the imminent ...

dateJun 16, 2015 in General Physics
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Earthquake waves: How do they spread?

Propagation of earthquake waves within the Earth is not uniform. Experiments indicate that the velocity of shear waves (s-waves) in Earth’s lower mantle between 660 and 2900 km depth is strongly dependent on the orientation ...

dateApr 13, 2009 in Earth Sciences
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Nano-ruler sets some very small marks

The National Institute of Standards and Technology has issued a new ruler, and even for an organization that routinely deals in superlatives, it sets some records. Designed to be the most accurate commercially available "meter ...

dateSep 22, 2009 in Nanophysics
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