[Lex Computer & Tech Group/LCTG] Meeting Reminder: 10:0AM Wednesday, March 11, 2020 In Room 237. Space Geodesy, its properties and tools, presented by Mike Pearlman

[Michael R. (Mike) Pearlman]

Peter,

Thank you.  Looking forward to it.Mike

Sent from my iPhone

> On Mar 9, 2020, at 3:53 PM, Peter Albin <palbin24 at yahoo.com> wrote:
> 
> 
> Mike,
> 
> I just called the Community Center and they have adapters available.
> 
> Looking forward to your talk,
> 
> Peter
> 
> On 3/8/2020 10:03 PM, Michael R. (Mike) Pearlman wrote:
>> Looking forward to it.  I will use my MacBook
>> Pro. Do you have the adapter necessary to connect to your projector?
>> 
>> See you folks in Wednesday morning?
>> 
>> Mike
>> 
>> Sent from my iPhone
>> 
>>> On Mar 8, 2020, at 5:13 PM, Jonathan Goode <jonathan.goode at gmail.com> wrote:
>>> 
>>> 
>>> We meet Wednesdays 10:00AM to 11:30AM Eastern Time in Room 237 of the Lexington Community Center, 39 Marrett Road, near the Masonic Museum. Use the driveway for the Museum, then turn left to the building in the back. 
>>> 
>>> Mar 11, 2020   Space Geodesy, its properties and tools, presented by Mike Pearlman of the Harvard-Smithsonian Center for Astrophysics
>>> Geodesy is the science of accurately measuring and understanding three fundamental properties of the Earth: its geometric shape, its orientation in space, and its gravity field— as well as the changes of these properties with time.
>>> Space Geodesy uses sources external to the Earth: artificial satellites (in satellite geodesy), quasars (in very-long-baseline interferometry, VLBI), and the retroreflectors on the Moon (in lunar laser ranging) to measure these static and time varying properties.
>>> 
>>> Of current interest are measurements to monitor geodetic parameters and their temporal variations in a global reference frame with a target relative accuracy of 10E-9 – 10E-10, for both scientific understanding of the Earth system and understanding their potential impact on society
>>> 
>>> Fundamental to these measurements is a reference frame that provides stability over space, time, and evolving technology.
>>> 
>>> Plans for Upcoming Meetings
>>> 
>>> Mar 18, 2020   Tracking New Diseases: Medical issues including Vaping (Jerry Slate, member)
>>> 
>>> Mar 25, 2020   Dick Wagner will finish his presentation on Patents, followed by Potpourri  (led by Steve Isenberg and Gary Patrick)
>>> 
>>> Apr 1, 2020      3D Printing and Robotics in Industry:  An Update (George Burnell)
>>> 
>>> Apr 8, 2020     Self-Driving Cars: Tesla and others.  Dan Castagnozzi, a friend of Bill Sciaretta. George Gamota may have additional experiences.
>>> 
>>> Apr 15, 2020   Lexington Communications Advisory Committee (Ken Pogran), Winchester Advisory Committee (Don Nelson), Lex Media (Florence DelSanto);  (Harry Forsdick facilitator)  members.  Subjects might include the future of 5G.  Must get Florence OK.
>>> 
>>> Apr 22, 2020   Potpourri led by Peter Albin. In the Dining Room from 9:30 to 11:00AM.
>>> 
>>> Apr 29, 2020   The Science behind Columbus (Bob Melanson, member)
>>> 
>>> May 6, 2020    The Manhattan Project (George Gamota)
>>> 
>>> May 13, 2020   Nuclear Power Generation (Dave Kahan). Confirmed
>>> 
>>> May 20, 2019  Boost-Phase Defense against ICBMs, presented by Dan Kleppner. Because little was known publicly about the Bush proposal, the American Physical Society initiated a study. Our presenter was co-chair of the study group. Although the study is fifteen years old, little has changed.  (Dan Kleppner, member kleppner at mit.edu)
>>> 
>>>  
>>> 
>> 
>> 
>> ===============================================
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