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Crystal Structure Analysis, Spring 2008

(Complete Item Description)

Abstract:: This course covers the following topics: X-ray diffraction: symmetry, space groups, geometry of diffraction, structure factors, phase problem, direct methods, Patterson methods, electron density maps, structure refinement, how to grow good crystals, powder methods, limits of X-ray diffraction methods, and structure data bases.

Subject:: Science and Technology
Grade Level:: Post-secondary
Collection:: MIT OpenCourseWare

"Crystal Structure Analysis, Spring 2010"

(Complete Item Description)

Abstract:: " This course covers the following topics: X-ray diffraction: symmetry, space groups, geometry of diffraction, structure factors, phase problem, direct methods, Patterson methods, electron density maps, structure refinement, how to grow good crystals, powder methods, limits of X-ray diffraction methods, and structure data bases."

Subject:: Science and Technology
Grade Level:: Post-secondary
Collection:: MIT OpenCourseWare

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LBNL Isotopes Project Nuclear Data Dissemination Home Page

(Complete Item Description)

Abstract:: Web page for the dissemination of information about nuclear data

Subject:: Science and Technology
Grade Level:: Post-secondary
Collection:: Lawrence Berkeley National Laboratory

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A Picture is Worth

(Complete Item Description)

Abstract:: Students are asked to explain how XRay images communicate information.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
Collection:: Teachers' Domain

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Space Based Astronomy

(Complete Item Description)

Abstract:: This NASA educator guide tells the story of why it is important to observe celestial objects from outer space and how to study the entire electromagnetic spectrum. It features a set of hands-on activities and demonstrations which can be performed by teachers to reinforce the concept that Earth's atmosphere interferes with the passage of electromagnetic radiation and to investigate the properties and uses of radiation throughout the electromagnetic spectrum.

Subject:: Science and Technology
Grade Level:: Secondary
Collection:: NASA

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Viewing the Periodic Table of the Elements with X-rays

(Complete Item Description)

Abstract:: X-rays and x-ray fluorescence are not new subjects to the field of physics. Wilhelm Röntgen discovered x-rays in 1895, and in 1901 he was awarded the very first Nobel Prize in physics for this discovery. Soon after, Charles Glover Barkla discovered that each element has its own characteristic x-ray spectrum. He was awarded a Nobel Prize in physics for this discovery in 1917. Sir William Henry Bragg and his son, Sir William Lawrence Bragg, were then able to experimentally prove that the discrete electron energy levels of an atom, an idea proposed by Niels Bohr, actually existed. They were awarded the Nobel Prize in physics for this in 1915. After this groundwork in x-ray spectroscopy was established, Henry Moseley showed that each elements characteristic x-ray energy spectrum followed the predictions of the Bohr atomic model.

Subject:: Science and Technology
Grade Level:: Secondary, Post-secondary
Collection:: Lawrence Berkeley National Laboratory

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