[Lex Computer & Tech Group/LCTG] Meeting Reminder: At Zoom Address 972 6146 0830; Some Arithmetic Pleasantries, presented by Charles Holbrow. On Wednesday, August 25, 2021 at 10AM EDT. Lexington Computer and Technology Group Online Meeting via Zoom

[Jonathan Goode]

(NOTE: Follow-up Reminder updated with new topic and presenter for this
week.)



*August 25, 2021*

* Some Arithmetic Pleasantries, presented by Charles Holbrow. Also the
infinite hotel paradox, if time permits.*



*SPECIAL NOTE - **Links to many of our previous sessions are available
online at http://lctg.toku.us/ <http://lctg.toku.us/>, thanks to the
diligence of Steve Isenberg. This includes the space-oriented presentations
of Mars Landing from February 24, Venus Temperature from March 17, Apollo
Mission from April 14, Space Debris from May 5, Oumuamua from May 19 and
Helicopter Flight on Mars from May 26.*



We, the Lexington Computer and Technology Group, will meet Wednesday at the
usual 10AM Eastern Time, BUT ONLINE, using the Zoom Video Conferencing
Application, facilitated by Steve Isenberg.

There is an instruction page at https://toku.us/zoomish but note that the
URL and phone number shown are examples.



Sometime after 9:45 AM on Wednesday, choose one of the following options:

   - If you have the Zoom application installed, start it and join meeting
   with ID 972 6146 0830
   - From your browser, go to: https://zoom.us/j/97261460830
   - From your smartphone, tap this: +16468769923,,97261460830
   - From a “dumb” telephone, call 1 646 876 9923 and enter meeting ID: 972
   6146 0830

Once the connection is established, you may need to locate and use the
on-screen controls that turn on the sound and the video. You should be able
to see and hear others and they should be able to see and hear you, if you
have a camera and microphone (each of which you can unmute selectively).

If this email wasn't addressed to you and you would like to join the group,
or if you have a friend or colleague who might also be interested in
joining, it's easy.  Ask them to go to the group's wiki page at
http://LCTG.toku.us and follow the simple instructions under "Join the
Email List".  By being a member of the group you'll get reminders of
upcoming meetings and infrequent related messages. No advertising.  The
list is tightly managed.

Membership is free and given that all meetings are using Zoom you only need
to be connected to the Internet to join.  It's ok to join from anywhere you
can get a decent Internet connection, even if you're in orbit around Earth
or on another planet or a moon (if you're connecting from somewhere not on
Earth, we'd like to chat).

*Below are our plans for Upcoming Meetings. For more schedule information,
please refer to https://wiki.toku.us/doku.php?id=lctg_speaker_schedule
<https://wiki.toku.us/doku.php?id=lctg_speaker_schedule>  We will continue
to have an online presentation (almost) every Wednesday until it is prudent
for us to resume meeting in person.*

*September 1, 2021*

*Security Update*. Lexington library video presentation on security by
Bruce Schneier

*Computer security is no longer about data; it's about life and property.
This change makes an enormous difference, and will shake up our industry in
many ways. First, data authentication and integrity will become more
important than confidentiality. And second, our largely regulation-free
Internet will become a thing of the past. Soon we will no longer have a
choice between government regulation and no government regulation. Our
choice is between smart government regulation and stupid government
regulation. Given this future, it's vital that we look back at what we've
learned from past attempts to secure these systems, and forward at what
technologies, laws, regulations, economic incentives, and social norms we
need to secure them in the future. *link <https://youtu.be/eVCYX3N-nFQ>
(1h7m)

*September 8, 2021*

Big Belly Recycling (Alex Gamota)
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