THE BOSTON AREA PHYSICS CALENDAR
Week of May 19-May 25, 1996

The Boston Area Physics Calendar is published weekly during 
the academic year by the Department of Physics and Astronomy 
at Tufts University.  You may send your announcements by 
e-mail (bapc@tuhepa.phy.tufts.edu) or FAX:(617-627-3878).  
We cannot accept announcements by telephone.  Entries should 
reach us no later than 11:00am on the Monday preceding the week 
of the event. ENTRIES RECEIVED AFTER THE DEADLINE WILL NOT 
BE PUBLISHED.           
                
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Monday, May 20, 1996
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Monday, May 20,1996, 12:00 noon
Boston University
Boston University Particles and Fields Seminar
Physics Research Building (3 Cummington St.)
Room 593
``QED in Strong Fields''
PROFESSOR ADRIAN MELISSINOS
University of Rochester
Please call 353-2600 one day in advance for parking.
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Monday, May 20, 1996, 2:00 p.m.
Massachusetts Institute of Technology
Monday Research Seminar
Center for Theoretical Physics Seminar Room
Building 6, Third Floor
``N=2 Super Riemann Surfaces and Duality in the Geometry 
of Supercurves''
PROFESSOR JEFFREY RABIN
Massachusetts Institute of Technology
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Tuesday, May 21, 1996  
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Tuesday, May 21, 1996,  12:00 noon
Harvard University
High Energy Physics Seminar
HEPL Third Floor Conference Room
``R_b  and  R_c: Theory versus Experiments''
LAURA REINA
Brookhaven National Laboratory
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Tuesday, May 21, 1996,  2:30 p.m.
Harvard University
CfA-Tufts-MIT Cosmology Seminar
Pratt Conference Room, CfA
``The Microwave Anisotropy Probe (MAP): 
A Mission to Map CMB Anisotropy''
DR. GARY HINSHAW
Goddard Space Flight Center

 Abstract:

The Microwave Anisotropy Probe was recently selected by NASA
to be one of the first Midex class missions to launch in ~2000.  MAP
will measure the anisotropy of the Cosmic Microwave Background (CMB)
radiation with high sensitivity over the full sky with ~0.3 degree
angular resolution.  This data should allow cosmologists to infer a
tremendous amount about the physics of the early universe, including
the mechanism of structure formation.  The data should, in turn,
constrain many fundamental cosmological parameters.  I will present an
overview of the physics of CMB anisotropy and MAP's strategy for
measuring it.  Information about MAP is available on the World Wide Web
at http://map.gsfc.nasa.gov/.
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Tuesday, May 21, 1996,  4:00 p.m.
Northeastern University
CIRCS Seminar
Room 114 Dana Research Center
``Mapping the Binding Surfaces of Proteins''
CARLA MATTOS
Bunting Institute, Harvard University/Radcliffe

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Wednesday, May 22, 1996 
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Wednesday, May 22, 1996,  4:00 p.m.
Northeastern University
Condensed Matter Seminar
114 Dana Research Center
``Patterns in Alloys: Bridging the Atomic and 
Continuum Length Scales''
PROFESSOR BULBUL CHAKRABORTY
Brandeis University
Refreshments will be served at 3:45 p.m.
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Wednesday, May 22, 1996,  5:00 p.m.
Harvard University/Center for Astrophysics
Joint Atomic Physics Seminar
Jefferson Laboratory, Room 356
``Coherent Control of Quantum Interference in 
Laser Detachment Processes''
DR. ANTHONY STARACE 
University of Nebraska
Tea will be served at 4:30 p.m.

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Thursday, May 23, 1996
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Thursday, May 23, 1996,  4:00 p.m.
Harvard-Smithsonian Center for Astrophysics
Joint Atomic Physics Seminar
60 Garden Street (Phillips Auditorium)
``Comets, GEMS and Stardust''
DR. DONALD E. BROWNLEE
University of Washington
 
 Abstract:
 
Comets are an important source of the interplanetary dust particles
that are routinely collected in the stratosphere with NASA U2 aircraft.
Among collected particles, evidence for cometary origin versus asteroidal
origin is determined by special He measurements that reveal atmospheric
entry heating temperatures and entry velocity.  Most of the particles that
are identified as having probably cometary origin contain GEMS, submicron
components composed of silicate glass with 10nm embedded metal and sulfide
grains.  GEMS show evidence for extensive radiation processing before
incorporation into their parent bodies and many of their properties are
consistent with observable characteristics of interstellar silicate grains.
Totally new insight into cometary and interstellar materials will be
provided by the NASA Stardust mission to be launched in early 1999.
Stardust will collect solid particles from comet WILD 2 and  contemporary
interstellar particles by direct impact into low density silica aerogel.
The samples will return to Earth in 1996 where they will be made available
to a global community of investigators. 
 
Tea will be served at 3:30 p.m.

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Friday, May 24, 1996
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Friday, May 24, 1996,  12:00 noon
Northeastern University
Joint Seminar: Electrical and Computer Engineering char38
Physics Departments
New Classroom Building, Room 335
char40 enskip Located across Forsyth Street from the Dana 
Research Center. char41 
``High Performance Computer Trends''
RANDY PREMONT 
Managing Partner, Resources 2000, Inc.

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A Friendly Reminder:

The Deadline for the May 26char123  June 1, 1996 Issue is:
 
MONDAY, May 20, 1996 at 11:00 a.m.
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