THE BOSTON AREA PHYSICS CALENDAR
Week of May 26-June 1, 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 ENTRIES RECEIVED AFTER THE DEADLINE WILL NOT 
BE PUBLISHED.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 27, 1996
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Memorial Day
No Scheduled Events for Today. 

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Tuesday, May 28, 1996
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Tuesday, May 28th, 3:30 p.m. 

Boston University
Physics Research Building, Room 593
``LEP: History and Physics''
PROFESSOR EMILIO PICASSO
Refreshments will be served following the talk.
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Tuesday, May 28th, 4:00 p.m.

Northeastern University
CIRCS Seminar
Room 129, Hurtig Hall
``Artificial Proteins: Exploiting Biological 
Chemistry to Make New Materials''
PROFESSOR DAVID TIRRELL
Materials Research Science and Engineering Center, UMass Amherst
Refreshments will be served following the talk.

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Wednesday, May 29, 1996
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Wednesday, May 29, 4:00 p.m.

Northeastern University
Physics Colloquium
114 Dana Research Laboratory
``Spin Dependent Tunneling: The Physics and Device Potential''
JAGADEESH S. MOODERA
Massachusetts Institute of Technology
Refreshments will be served in at 3:45 p.m.

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Thursday, May 30, 1996 
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Thursday, May 30, 11:00 a.m.

Worcester Polytechnic Institute
Colloquium
Olin Hall, Room 107
``Black Hole Dynamics and Sources of Gravitational Waves''
DR. DAVID HOBILL
University of Calgary
Coffee will be served in Olin 118 at 10:45 a.m.
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Thursday, May 30, 4:00 p.m.

Harvard-Smithsonian Center for Astrophysics
Scientific Colloquium
The Bart J. Bok Prize Lecture

60 Garden Street (Phillips Auditorium)
`` Water In the Milky Way''
DR. DAVID A. Neufeld
John Hopkins University

Abstract:

Water molecules are believed to be an abundant constituent
of warm molecular gas in the Universe, whether in molecular clouds, in
circumstellar outflows, or in the circumnuclear accretion disks
of active galaxies.  Theoretical models for the chemistry of
astrophysical molecules make a strong prediction that water
will account for most of the oxygen nuclei within warm molecular
gas, and that far-infrared line emissions from water will dominate
the cooling and control the temperature of such gas.  Until
recently, observations of water molecules have been largely
limited to the detection of strongly masing line radiation at
radio and submillimeter wavelengths, due largely to the
difficulties inherent in observing water from within the
atmosphere of ocean-covered planet.  The recent launch of the
Infrared Space Observatory, however, allows us for the first time
to carry out observations of the non-masing far-infrared
water transitions that are expected to dominate the emission from
warm molecular gas in the Milky Way.

I will review the theory and observations of water emissions
from warm astrophysical gas, discussing both the non-masing
far-infrared emissions that are expected to dominate the cooling
of such gas, and the radio and submillimeter maser transitions that
have been observed previously.  I will announce new results
on non-masing far-infrared water emissions that have been obtained
from early observations with the Infrared Space Observatory.

Tea will be served at 3:30 p.m.
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Friday, May 31, 1996
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Friday, May 31, 11:45 a.m.

Harvard University/Center for Astrophysics
Informal Seminar at Atomic and Molecular Physics Division
Pratt Conference Room
``Parity and time invariance violation in degenerate systems''
DR. MAX ZOLOTOREV
LBNL
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A Friendly Reminder:

The Deadline for the June 2-June 8, 1996 Issue is:

Monday, May 27, 1996 at 11:00 a.m.

Dear BAPC Subscribers and Submitters of Events,

As the number of entries begins to wane in anticipation of the summer
months, we would like to thank you for your patience with us as we 
got up to speed.  There were some bumps along the way, but we are 
confident that it will be smooth sailing for the remainder of our oversight.

We wish you a safe and restful summer and look forward to serving you
once again in the fall! 

Waltye, Jessica and Deborah
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