General News
Spectrum Lab is moving this fall to the VLC
building south of campus. Spectrum Lab will be collocated with the S2CHIP
division of Scientific Materials. The combined space of 10,000 square feet more
than doubles their combined current space.
PH.D. THESIS DEFENSE:
“Gravitational Wave Astronomy Using Spaceborne Detectors”, Louis J. Rubbo, IV, Jul. 8.
NEW ASSOCIATE DEAN OF THE
COLLEGE OF LETTERS AND SCIENCE:
Please join us in
congratulating George Tuthill, the new Associate Dean of the College of Letters
and Science. George began his new position on August 1.
SUMMER 2004 SOLAR
PHYSICS REU PROGRAM:
The Summer 2004 Research Experiences for
Undergraduates program in solar physics included the following students,
research topics, and supervisors:
Peter Forshay, Haverford College,
"Studying the Voids: Analyzing the Physical Properties of Downflow Events" with
David McKenzie.
Stacy Gaard, Valparaiso University,
"Twisted Magnetic Fields and Solar Flares", with Dibyendu Nandi and Richard
Canfield.
Michael Hahn, Carnegie Mellon
University, "Relationship of Active Region Magnetic Fields to Solar Flares and
Coronal Heating" with Richard Canfield and Dibyendu Nandi.
Rhona Maclean, University of St. Andrews, "A Topological Analysis of the
Magnetic Breakout Model for an Eruptive Solar Flare" with Dana Longcope.
Evan Pollack, Southwestern College,
"Search For Periodicity In Solar Image Sequences" with David McKenzie.
Dan Schwendtner, Augsburg College, "Maia
Attitude Determination and Control Subsystem" with David Klumpar.
Ji Son, University of California -
Irvine, "Magnetic Field Topology of Sigmoids" with Richard Canfield and Loren
Acton.
Antonia Wilmot-Smith, University of St.
Andrews, "Modeling Solar and Stellar Dynamos" with Piet Martens and Dibyendu
Nandi.
Karen Wilson, University of Missouri -
Columbia, "Magnetic clouds, disappearing filaments, and sigmoids" with David
McKenzie and Robert Leamon.
Final talks and biographical
material can be found on the REU 2004 web page at
http://solar.physics.montana.edu/REU/2004/
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Awards
Honors and New Positions
The Advanced Light Source
(ALS) announced this year's winners of ALS Doctoral Fellowships:
Johnathon Holroyd (Montana State University), physics/magnetic
materials, was one of eight exceptional Ph.D. students selected to perform
a major part of their thesis work at the ALS during a one-year appointment
covering the 2004 - 2005 academic year.
Congratulations to
Johnathan! Detailed information about the fellowships can be found at
http://www-als.lbl.gov/als/fellowships/index.html
Jonathan Cirtain, has been
awarded a "Visiting Student Award", at the Harvard-Smithsonian Center for
Astrophysics, starting September 1st. He will be working on the integration and
calibration of the Atmospheric Imaging Assembly, a suite of telescopes onboard
the Solar Dynamics Observatory, for which CfA and MSU are participating
institutions
Fall 2003, Spring and Summer
2004 Degree’s Conferred:
B.S.: Ted
Armstrong**, David Atherton, Erik Aver**†‡, Robin Barker, Robert Boren, William
Chandler, Tanner Currie, Christopher Driscoll, Jonah Kaun**†, Andrew Martin,
Brian Matosich, Cooper McCann**, William Rewitz, Kevin Rosen, Staci Schwend,
William Suckow**‡, Seth Timpano**†‡, Nathan Wilson.
M.S.: Angela DesJardins, Keith Gilmore, Hongyan Li, Adam McClure,
Christopher Melton, Steven Price, Cynthia Tripp, Ijaz Zafarullah.
Ph.D.: Louis Rubbo
* - Graduated with honors
** - Graduated with highest honors
† - Graduated from University Honors Program
‡ - Graduated with Departmental Honors
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Invited And Contributed Talks
Invited:
"Temperature- and electric-field-dependent phase transformations in
(001)-oriented PMN-40%PT single crystal," V. Hugo Schmidt, 2004 IEEE
International Ultrasonics, Ferroelectrics, and Frequency Control 50th
Anniversary Joint Conference, Montreal, Canada, Aug. 24-27.
"Dielectric and optical phenomena and transitions in Pb(Mg1/3Nb2/3)1
xTixO3 crystals" by R.R. Chien, V.H. Schmidt, C.-S. Tu, and F.-T Wang,
International Symposium on Applications of Ferroelectrics, Montreal, Aug.
24-27,.
"Multifrequency spectroscopy of defects in complex oxides". G. Malovichko,
V. Grachev, O. Schirmer. International Conference on Defects in Insulating
Materials (ICDIM), Riga, Latvia, Jul. 12-16.
"Do They Stay Fixed?" , G. Francis and J. Adams, 2004 AAPT Summer Meeting,
Sacramento, CA, Aug. 1-5.
"The Transit of Venus", David McKenzie, Museum of the Rockies, Jun. 7.
"Modern nonlinear optics: Why two photons are better than one", A. Rebane,
2nd Young Physicists' Summer School of the Estonian Physical Society,
Tallinn, Estonia, Jun. 18-20.
"Observing the Sun", David McKenzie, Learner-Centered Astronomy Teaching
Excellence Workshop, MSU, Bozeman, MT. Sponsored by NSF Chautauqua Program
and the NASA JPL Navigator and Spitzer EPO Programs Jul. 6-8.
"New tetrapyrroles with enhanced multi-photon absorption for photonic
applications," A. Rebane, Int. Conf. on High Resolution Site Selective
Spectroscopy, Bayreuth, Germany, Jul. 15-18.
"Two-Photon Absorption In Dendrimers And Tetrapyrroles", A. Rebane,
Electronic Processes In Organic Materials, Mount Holyoke College, South
Hadley, MA, Jul. 25-30.
"The Sun", David McKenzie, Montana Apprenticeship Program of the American
Indian Research Opportunities Consortium, MSU, Jul. 20.
"Observations of separator reconnection to an emerging active region: The
birth and life of AR 9574", Dana Longcope, Programme on Magnetic
Reconnection Cambridge, UK, Aug. 2 - 27.
"Quantifying the effect of magnetic reconnection on coronal heating", Dana
Longcope, SOHO 15 meet-ing on Coronal Heating, St. Andrews UK, Sep. 6-9.
"Sunspots, Galileo, and You", Richard Canfield, Sun-Earth Connection
Workshop, Salish Kootenai College, Pablo, Montana, Jul. 27.
"The Active Region - Coronal Mass Ejection Topology Connection", Richard
Canfield, Solar, Heliospheric and Interplanetary Environment (SHINE)
meeting, Big Sky, Montana, Jul. 1.
"Electronic and magnetic phase segregation in electron-doped CaMnO3", John
Neumeier, 2004 Telluride Science Research Center conference, Colossal
Magnetoresistive and related transition metal oxides, Telluride, CO, Jun.
28-Jul. 5.
"Meridional Circulation and the Solar Magnetic Cycle", D. Nandi, GONG
Helioseismology Meeting, Yale University, New Haven, Jul. 12-16.
"SADE: the Starspot and Dynamo Explorer", P.C.H. Martens and the SADE
team, at "Exploring the X-ray Universe: Hot Plasmas in Space", Len
Culhane's 65th birthday Symposion, at MSSL, England, Jun. 22-24.
Contributed:
"Hidden G-symmetry in spin-Hamiltonians". V. Grachev, 46th Rocky
Mountain Conference on Analytical Chemistry, Denver, Aug. 1-5.
"Suitable and unsuitable spin-Hamiltonian for low-symmetry paramagnetic
defects. Comparison with experiments". V. Grachev, G.Malovichko, 46th
Rocky Mountain Conference on Analytical Chemistry, Denver, CO, Aug. 1-5.
"Paramagnetic defects in irradiated lithium tetraborate crystals".
G.Malovichko, V.Grachev, Ya.Burak, A.Matkovskii. 46th Rocky Mountain Conf.
on Analytical Chemistry, Denver, Aug. 1-5.
"Very strong two-photon absorption of pi-conjugated porphyrin dimmers in
near-IR region", M. DRobizhev, et. al, Optical Science and Technology,
SPIE 49th Annual Meeting, Denver, CO, Aug. 2-6.
"New functionalized dendrimers for two-photon absorption applications:
Effect of cooperative enhancement and underlying coherent domain size", M.
DRobizhev et. al., Optical Science and Technology, SPIE 49th Annual
Meeting, Denver, CO, Aug. 2-6.
"New classes of organic chromophores for two-photon absorption
applications," A. Rebane, 4th International Conference on Advanced Optical
Materials and Devices (AOMD-4), Tartu, Estonia, Jul. 6- 9.
"Exploring Dynamo Generated Stellar Activity", D. Nandi, Space Climate
Symposium - Direct and Indirect Observations of Solar Activity, Oulu,
Finland, Jun. 20-23.
"Solar and Stellar X-ray Cycles", Martens, P.C.H. and the SADE Team,
Denver AAS/SPD, May 29 - Jun 3.
"Determining the heating distribution in coronal loops, and a surprising
new take on scaling laws", P.C.H. Martens, Solar Coronal Loops Workshop
and Solar-B Discussion, Mondello, Palermo, Italy, Sep. 1-3.
"Iron K_alpha Fluorescent Line Profiles from Spiral Accretion Flows in
AGNs", K. Fukumura and S. Tsuruta, in 204th American Astronomical Society
Meeting, Denver, CO, 30 May - 3 Jun.
"The Compact Central Object in the Cassiopeia A Supernova Remnant", M.A.
Teter, G.G. Pavlov, S. Tsuruta, and A. Liebmann, in 204th American
Astronomical Meeting, Denver, CO, May 30 - Jun. 3.
"Dielectric and optical phenomena and transitions in
Pb(Mg1/3Nb2/3)1-xTixO3 Crystals" by V.H. Schmidt, R.R. Chien, C.-L. Tsai,
G.F. Tuthill, C.-S. Tu, F.-T. Wang, and P. Han, ONR Workshop "Future
Directions in Materials for Electromechanical Transducers", Arlington, VA,
July.12-13.
POSTER PRESENTATIONS:
"The crossover from the ferromagnetic polaron to long range ferromagnetic
state for La(1-x)Ca(x)MnO3", Hirotoshi Terashita, J.J.Neumeier, and
C.D.Ling, 2004 American Conf. on Neutron Scattering, University of
Maryland, Jun. 6-10.
"Uncovering the mechanisms of strong two-photon absorption in new
tetrapyrroles: from relationships between linear and nonlinear absorption
to structure-property relationships", M. Drobizhev et al.,
Third International Conference on Porphyrins and Phthalocyanines, New
Orleans, LA, Jul. 11-16.
"An anomaly in two-photon absorption spectrum of new porphyrins with
strongly asymmetric pi-electronic structure", Optical Science and
Technology, SPIE 49th Annual Meeting, Denver, CO, August 2-6
"X-ray Studies of Cobalt-doped Semiconducting Oxides", Alexandre Lussier,
Big Sky, MT/Gordon Research Conference, Aug. 26.
"Magnetic Topologies Due to Four Discrete Flux Sources", Colin Beveridge,
SHINE, in Big Sky,MT, Jun. 28-Jul. 2.
"Geoeffective CMEs, Filaments, and Sigmoids", David McKenzie and Robert
Leamon (of L-3 Communications) at the Solar, Heliospheric, and
Interplanetary Environment (SHINE) Workshop, Big Sky, MT, Jun. 28-Jul. 2.
"Periodic Variations in X-ray Emission Intensity of Coronal Loops", David
McKenzie, Evan Pollock (REU student from Southwester College), and Charlie
Lane (MSU undergrad) at the SOHO-15 workshop on Coronal Heating at the
University of St. Andrews, St. Andrews, Scotland, Sep. 6-9.
"Inferring a Photospheric Velocity Field from a Sequence of Vector
Magnetograms", Dana Longcope, American Astronomical Society Meeting,
Denver, CO, May 31 - Jun. 3.
"The Photospheric Velocity of AR 8210", Dana Longcope, SHINE, meeting Big
Sky, MT, Jun. 28 - Jul. 2.
"The Unresolved Coronal Background", Jonathan Cirtain, SHINE meeting, Big
Sky, Jun. 28 - Jul. 2.
"Detection of a Taylor-like Plasma Relaxation Process in the Sun", D.
Nandi, IAU Symposium 223 - Multi-Wavelength Investigations of Solar
Activity, St. Petersburg, Russia, Jun. 14-19.
"Full-Sphere Axisymmetric Simulations of the Solar Dynamo", D. Nandi, IAU
Symposium 223 - Multi-Wavelength Investigations of Solar Activity, St.
Petersburg, Russia, Jun. 14-19.
"The Diffuse EUV Corona", Cirtain, J. W.; Martens, P. C. H.; Acton, L. W.;
Scott, J. T., AAS/SPD, Denver, CO, May 29 - Jun. 3.
"Implementation of the Virtual Solar Observatory", Davey, A. R.; Bogart,
R. S.; Gurman, J. B.; Hill, F.; Hourcle, J.; Martens, P. C.; Suarez-Sola,
I.; Tian, K. Q.; Yoshimura, K., AAS/SPD, Denver, CO, May 29 - Jun. 3.
"On the Combination of TRACE and CDS Data", Scott, J. T.; Cirtain, J. W.;
Martens, P. C. H.; Winter, H. D., AAS/SPD, Denver, CO, May 29 - Jun. 3.
"Magnetic Properties of Co3O4 Nanoparticles Mineralized in Ferritin",
Damon Resnick, Nano 2004, Weisbaden Germany, Jun.
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Proposals Submitted
"Multifrequency system for the study of defects in solids", PI
G.Malovichko, DOD, $128,032.
"Quantum Computing Using Thulium Doped Crystals," PI: Mingzhen Tian ,
Co-PI: Wm. Randall Babbitt, $585,405, prepoposal submitted and accepted
for submission as one of five full proposals to be submitted from Montana.
Proposals Funded
The Montana NASA EPSCoR Program, PI
Bill Hiscock, received a two-year funding extension (August 2004-July
2006) for all components of the program, totaling $926,600. This includes
support for two groups centered in the Physics Department.
"Detection and Localization of Terrestrial and Extraterrestrial Biomarkers
Using Immunological Techniques Combined with Chemical Force Microscopy ",
Recep Avci, Group Leader, $386,300.
"The Gravitational Wave Background", Neil Cornish, Group Leader, $ 290,300
John Getty authored a successful CFAC proposal that has provided new
computers for the Department's electronics teaching lab. The $12,312
award, along with $1,641 of matching funds from the department has
provided new IBM computers for each of the student stations, a new
networked printer for this lab and a video projector based on the new DLP
chipset from Texas Instruments.
Scientific Materials and Spectrum Lab received an additional $3.1M (total
$6.9M) that extends their program "Spatial-Spectral Coherent Holographic
Integrating Processor: S2CHIP" to September of 2006.
Spectrum Lab received two sub-contracts from Scientific Materials for
research on SBIR projects on lasers stabilized to spectral holographic
materials and multiband radar application of S2CHIP. (2 x $30K).
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Colloquia
"Adaptive Optics for Astronomical Telescopes", Qiang(John) Yang, Dept. of
Mathematical Sciences, MSU, Sep. 10.
"Who ordered that?" A Brief and Selective Overview of Muon Physics, Robert
H. Heffner , Los Alamos National Laboratory, Sep. 17.
"Scattering Muon Radiography for Border Inspections" Rick Chartrand and
Tom Asaki, Dept. of Mathematical Sciences, MSU, Sep. 24.
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Seminars
Condensed Matter:
“Magnetic resonance and its application to different materials”.Galina
Malovichko, Jul. 26.
“Element Specific Magnetization
Dynamics in the GHZ Range”, Dr.Dario Arena, National Synchrotron Light
Source, Brookhaven National Lab., Aug. 30.
“New Perspectives on Old
Issues in Heavy Fermion Physics µSR studies of the magnetic and super-conducting
properties of CenMIn3n+2 (M=Co, Ir, Rh), Robert H.
Heffner, Los Alamos Nat’l Lab., Sep. 20.
Condensed Matter
Physics REU Presentations:
“Atomic Force Biosensors: Detection and
characterization of single molecule antibody-antigen interactions via atomic
force microscopy”, Scott
Randall, University of Washington, Seattle, (Advisor: Recep Avci), Aug. 13.
“Comparing the magnetocaloric effect in
single crystal and polycrystal La1-xSrxMnO3”, Brian Myer, Appalacian State
University, (Advisor: John Neumeier), Aug. 13
“Measuring Anisotropy With the Surface
Magneto-optic Kerr Effect”, Kyle Story, Cornell University, (Advisor: Yves
Idzerda), Aug. 13.
“High Finesse Fabry-Perot Interferometer for
793nm Tunable Diode Laser”, Gregory Zicarelli, San Francisco State University,
(Advisor: Rufus Cone), Aug. 13.
“High Temperature Impedance Spectroscopy
System for Solid Oxide Fuel Cell Ceramics”, Arnold Braker, University of
Oklahoma, (Advisor: Hugo Schmidt), Aug. 13.
“Calidistat Design and
Construction for use with Varian E-Line Century Series Spectrometer and Angular
Variation of KNbO3 at Room Temperature”, Ben Losby, Montana State University,
(Advisor: G.Malovichko), Aug. 13.
NIRT Chalk Talk Seminar:
“EMR of Iron Oxide
Nanoparticles Mineralized in Protein Cages”, July 28, Bob Usselman, Jul. 28.
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Visitors to Research Groups
Mark
Neifeld from the University of Arizona and a consultant for Scientific
Materials visited Spectrum Lab 9/4/04-9/7/04 to discuss modeling and
competitive analysis of applications of spatial-spectral holographic
processors.
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Publications
“Magnetic
Inhomogeneities in Electron-doped Ca1-xLaxMnO3”,
C. D. Ling, E. Granado, J. J. Neumeier, J. W. Lynn and D. N. Argyriou,
Journal of Magnetism and Magnetic Materials, 272-276 (2004) pp. 246-248.
”Compositional dependence of the magnetocaloric effect in La1-xCaxMnO3
(0 ≤ x ≤ 0.52)”, Hirotoshi Terashita, J. J. Garbe, and J. J. Neumeier,
Phys. Rev. B 70 (2004) 94403.
"Comparative x-ray absorption
spectroscopy study of Co-doped SnO2 and TiO2",
A. Lussier, J. Dvorak, Y.U. Idzerda, S.B. Ogale, S.R. Shinde, and T.
Venkatesan, J. Appl. Phys, 7190-1, Jun. 1 2004.
"Twist Propagation in H-alpha Surges",
P. Jibben, R.C. Canfield, Astrophysical Journal 610, 1129 (2004).
“Field-induced
polarization rotation in (001)-cut Pb(Mg1/3Nb2/3)0.76Ti0.24O3,”
R.R. Chien, V.H. Schmidt, C.-S. Tu, L.-W. Hung, and H. Luo, Physical Review B
69, 172101 (2004).
“Elastic, piezoelectric, and dielectric properties of
0.58Pb(Mg1/3Nb2/3)O3-0.42PbTiO3
single crystal,” H. Cao, V.H. Schmidt, R. Zhang , W.W. Cao, H.S. Luo,
Journal of Applied Physics 96, 549 (2004).
"Damping and electromechanical
energy losses in the piezoelectric polymer PVDF" by
A.M. Vinogradov, V.H. Schmidt, G.F. Tuthill, and G.W. Bohannan, Mechanics of
Materials 36, 1007-1016 (2004).
“Phase coexistence of temperature-dependent phase
transformation in relaxor ferroelectric Pb(Mg1/3Nb2/3)1-xTixO3
single crystal,” R. Chien, V.H. Schmidt, C.-S. Tu, and L.-W. Hung,
Ferroelectrics 302, 335-339 (2004).
"On
the Tilt and Twist of Solar Active Regions", Holder,
Canfield, McMullen, Nandy, Howard and Pevtsov, Astrophysics Journal 611,1149
(2004).
"Isothermal Shock
Formation in Non-equatorial Accretion Flows around Kerr Black Holes",
Keigo Fukumura and Sachiko Tsuruta, Astrophysical Journal 611, 964
(2004). (Astro-ph/0405269).
“Geometric
manipulation of the quantum states of two-level atoms”,Mingzhen
Tian, Zeb W. Barber, Joe A. Fischer, and Wm. Randall Babbitt, Physical Review A
Rapid Communications.
Publications Submitted
“Magnetic,
thermal, and electrical properties of La1-xCaxCrO3 (0 ≤ x ≤ 0.5)”,
J. J. Neumeier and Hirotoshi Terashita, submitted to Phys. Rev. B.
”Thermodynamic nature of the ferromagnetic to paramagnetic phase
transition in La0.7Ca0.3MnO3”, J. A. Souza, H. Terashita, J. J.
Neumeier, and R. F. Jardim, submitted to Phys. Rev. B.
“Electric-field
effects of dielectric and optical properties in Pb(Mg1/3Nb2/3)0.65Ti0.35O3
crystal,” C.-S. Tu, F.-T. Wang, R.R. Chien, V.H.
Schmidt, and G.F. Tuthill, submitted to
Journal of Applied Physics.
“Thermal
stability of ferroelectric phases after a prior electric-field poling in Pb(Mg1/3Nb2/3)1-xTixO3
crystals,” C.-S. Tu, R.R. Chien, F.-T. Wang, V.H. Schmidt, and P. Han,
submitted to Physical Review B (Rapid
Communications)
"Exploring
Magnetic Activity from the Sun to the Stars", Dibyendu
Nandy, 2004, Solar Physics.
"Widely tunable
external cavity diode laser transmitter for differential absorption lidar,"
M. D. Obland, L. S. Meng, K. S. Repasky, J. A. Shaw, J. L. Carlsten, Applied
Optics.
“Temperature-
and electric-field-dependent domain structures and phase transformations in
(001)-cut tetragonal Pb(Mg1/3Nb2/3)1-xTixO3
(x=0.4) single crystal,” R.R. Chien, V.H. Schmidt, L.-W. Hung, and C.-S. Tu,
submitted to
Journal of Applied Physics.
Publications Accepted
“Temperature-and electric-field-dependent polarization
rotations in (211)-cut Pb(Mg1/3Nb2/3)0.69Ti0.31O3
(PMNT31%) single crystal,”
C.-S. Tu, L.-W. Hung, R.R. Chien, and V.H. Schmidt, Journal of Applied
Physics 96,
(2004).
“Temperature- and
electric-field-dependent phase transformations in (001)-oriented Pb(Mg1/3Nb2/3)0.6Ti0.4O3
single crystal,” R.R. Chien,
V.H. Schmidt, C.-S. Tu,
and L.-W. Hung, 2004 IEEE Proc. (Invited).
"Multifrequency
spectroscopy of defects in complex oxides” G.
Malovichko, V. Grachev, O. Schirmer.
Physica Status Solidi
(c).
"Full-Sphere Simulation of a
Circulation-Dominated Solar Dynamo: Exploring the Parity Issue",
K. Chatterjee, D. Nandy and R. Choudhuri, 2004, Astronomy & Astrophysics , in
press.
"Helicity of Solar
Active Regions from a Dynamo Model", R. Choudhuri, K.
Chatterjee and D. Nandy, 2004, Astrophysical Journal Letters, in press.
"Meridional Circulation and the Solar
Magnetic Cycle", D. Nandy, paper for Proceedings of GONG 2004 Meeting, ESA
publication division, in Press.
"Iron K Alpha Fluorescent Line Profiles
from Spiral AccretionFlows in AGNs", Keigo Fukumura
and Sachiko Tsuruta, Astrophysical Journal, 1 October 2004, vol. 613, in press.
(Astro-ph/0405337).
"Shocks near a
Black Hole of an Accretion-Powered AGN", Sachiko
Tsuruta and Keigo Fukumura, in Growing Black Holes, edited by A. Merloni et al.
(Springer-Verlag), in press.
“Normalized
Differential Detection using Smart Pixels with Smart Illumination”,
Daryn E. Benson, Jim M. Murray,
Robert D. Regester III, Kevin S. Repasky, and W. Randall Babbitt, accepted for
submission in Applied Optics.
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Outreach
David Klumpar, David McKenzie,
Piet Martens, Charles Kankelborg, Trae Winter, and Angela Des Jardins all
participated in a 2-week summer camp for high school students as part of the
Minority University and College Education and Research Partnership
Initiative (MUCERPI) project. The PI
institution on this NASA grant is Salish Kootenai College, and the camp in
July was designed to provide content about space science and the Sun-Earth
Connection to 50 high school kids from the Flathead Reservation area.
David McKenzie gave a general-interest talk about recent space science
discoveries, entitled "High Points in the Solar System", to the annual
meeting of the American Medical Fly Fishing Association, West Yellowstone,
Montana, Aug. 30.
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