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Spectrum Lecture Series: Seeing the World with Neutron Vision, Feb. 24

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Spectrum Lecture Series: Seeing the World with Neutron Vision, Feb. 24

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Category: MC Events

Published: 2016-02-23 00:00:01.000

Spectrum Lecture Series 2015-2016
<i><b>Seeing the World with Neutron Vision</i></b>

Wednesday, February 24
4:30 pm
Globe Hall
Germantown Campus
Spectrum Lectures are appropriate for a general audience and admission is free. No tickets are required.

Dr. Daniel S. Hussey
National Institute of Standards and Technology

In this talk, I'll discuss how neutron imaging has benefited fuel cells, how one can image microstructural details in crystals and polymers, and introduce the idea of the neutron microscope.

Neutrons interact with the world around them through the strong nuclear force and so provide researchers with a different view of how complex systems work. As an example, neutrons easily see hydrogen while many common metals are transparent to neutrons - this is the exact opposite of x-rays which easily see our bones but not our skin and muscles. This has enabled neutron imaging to play a key role in understanding the water transport in hydrogen fuel cells.

Neutrons can also be diffracted from crystalline materials to provide bulk information about strains in advanced manufacturing methods with high spatial resolution. Because neutrons can also be thought of as both particle and wave, it is possible to create phase images which can resolve smaller changes than standard imaging, and also reveal structures that are much smaller than the spatial resolution of the image. An ongoing challenge in any neutron scattering or imaging measurement is the inherently low neutron intensity as compared to what is possible at modern x-ray synchrotrons. A new neutron lens technology shows great promise to create the world's first practical neutron microscope.

Dr. Daniel S. Hussey is a research scientist at the National Institute of Standards and Technology where his primary research is on neutron optics including neutron radiography of proton exchange membrane fuel cells, measurement of strain and novel phase imaging methods. Dr. Hussey started at NIST as a National Research Council Postdoctoral Fellow in 2004. Dr. Hussey earned a PhD in physics from Indiana University in 2003 where he used dense samples of polarized 3He in polarized neutron reflectometry studies of magnetic thin films. Dr. Hussey earned his bachelor of science in physics from the University of New Hampshire in 1999. Dr. Hussey has authored or co-authored over 100 peer-reviewed journal articles and book chapters, and was awarded the Presidential Early Career Award for Scientist and Engineers in 2010.

For questions or to request accommodations for physical disability, please contact Rick Pires at or 240-567-7798. More information about Spectrum Lectures can be found at:

Related Media

  1. Spectrum Announcement February 24 2016.docx
  2. neutron1.jpg

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