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    Scattering Probes of Material Structure

    BYU physics researchers use some of the world's brightest x-ray and neutron sources to study the atomic structure and dynamics of advanced materials like superconductors and piezoelectrics. At the Spallation Neutron Source at Oak Ridge National Laboratory, accelerator-driven proton pulses bombard a liquid-mercury target, knocking high-energy neutrons from the target nuclei, which are then slowed in a moderator, collimated into beams, and scattered from material samples.

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    Scattering Probes of Material Structure

    BYU physics researchers use some of the world's brightest x-ray and neutron sources to study the atomic structure and dynamics of advanced materials like superconductors and piezoelectrics. At the Advanced Photon Source at Argonne National Laboratory, electrons travel around a one-kilometer synchrotron ring at nearly the speed of light, emitting high-energy tangential Bremsstrahlung x-rays that are collimated into beams and scattered from material samples.

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    Ready for Another Night

    University Photographer, Mark Philbrick, captured this sunset image of the BYU West Mountain Observatory in early June 2016. At the same time, Physics and Astronomy students were at work preparing the telescopes for yet another night of research observations. Data are secured on these nights for a wide variety of projects ranging from careful searches for exoplanets to monitoring active galaxies. The resulting data support research efforts of BYU students and faculty and in many cases contribute to publications by large international collaborations.

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    Predictions on candidate superalloys

    Superalloys are high-performance materials that are essential to key transportation and power generation technologies. By using BYU's supercomputer as a virtual lab, together with state-of-the-art algorithms for modeling materials, the Materials Simulation Group (msg.byu.edu) has identified 75 new superalloy candidates for which there are no reported phase diagrams. The new candidates may be the key to enhanced performance in transportation and power generation components. The figure shows the computed formation enthalpy over more than 700 Ni-based systems that were explored as part of this large survey. Roughly speaking, the darker the circle, the more promising the system. The x-y coordinates in the grid denote the two minority elements that are combined with nickel.

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    Orion at West Mountain

    This picture shows the familiar winter constellation of Orion setting in the west as it moves behind the main dome at the BYU West Mountain Observatory. The constellation of Orion is known as a location with giant molecular clouds and current star forming regions. Even in this short exposure, the Orion nebula is clearly visible in the sword of Orion. This picture was taken by Professor Michael Joner while working at the observatory on a clear spring night.

Calendar

21 Oct, Today

Sunset
6:39 PM

22 Oct, Sunday

Sunrise
7:45 AM

25 Oct, Wednesday

Colloquium: Brad Agle
4:00 PM

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Recently Published Research

Mike Joner and Michelle Spencer et al. recently published an article titled "Space Telescope and Optical Reverberation Mapping Project. V. Optical Spectroscopic Campaign and Emission-line Analysis for NGC 5548" in Astrophysical Journal. Click on the image above to read it.

Astronomy Picture of the Day

Lynds Dark Nebula 183: Beverly Lynds Dark Nebula 183 lies a mere 325 light-years away, drifting high above the plane of our Milky Way Galaxy. Obscuring the starlight behind it when viewed at optical wavelengths, the dark, dusty molecular cloud itself seems starless....

This photograph and Description come from NASA's Astronomy Picture of the Day web site.

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