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^Date^Link to Video(s)^Slides/notes^
|Dec 25, 2019|//Christmas - no meeting// \\ Your homework is to celebrate the good things in life.| |
|Dec 18, 2019|**Potpourri** John Rudy continues AI in Medicine; Steve Isenberg on [[:cloud_storage_options|Cloud File Storage Options]]| |
|Dec 11, 2019|**AI in Medicine** [[https://www.technologyreview.com/s/613361/giving-medicine-a-dose-of-ai/?utm_source=MIT+Technology+Review&utm_campaign=Alumni-Newsletter_May-Jun-2019&utm_medium=email|MIT Alum Newsletter]] [[https://www.vox.com/science-and-health/2019/3/15/18264314/ai-artificial-intelligence-deep-medicine-health-care|AI in Medical Care]]| |
|Dec 4, 2019|**Tech trends and holiday gift ideas** (Peter Albin and Bob Primak) [[https://youtu.be/QxEtRZZBe1k|Watch the presentation]] {{:lctg:20191204gifts.pdf|Slides}} | |
|Nov 27, 2019|//Happy Thanksgiving! No meeting.// | |
|Nov 20, 2019|**Dark Web**. “The legitimate uses of TOR, which is the software on which the so-called Dark Web runs. \\ Or, if more interesting, a tour of the Dark Web" [[https://darkwebtours.weebly.com/|https://darkwebtours.weebly.com/]] [[https://youtu.be/EbbTtt_uTYc|Watch the presentation]]| |
|Nov 13, 2019|Steering committee| |
|Nov 6, 2019|Backup Strategies (Peter Albin) [[https://youtu.be/0s2k2iBg5SA|Watch the presentation]]|{{:lctg:20191106_backupstrategies.pdf|Slides}} |
|Oct 30, 2019|Space colonies in Solar Orbit \\ The book describing our design study is available at: \\ [[http://large.stanford.edu/courses/2016/ph240/martelaro2/docs/nasa-sp-413.pdf|http://large.stanford.edu/courses/2016/ph240/martelaro2/docs/nasa-sp-413.pdf]] \\  [[https://youtu.be/q0mIFcT1nIU|Watch the Presentation]]|{{:lctg:space-living_outline.pdf|Charlie's handout}} |
|Oct 23, 2019  |Tesla vs Edison (Bob Primak) [[https://youtu.be/ZsavAI80WgQ|Watch the presentation]]  |{{:lctg:edisonvstesla_partone_oct2019.pdf|Bob's paper}} |
|Oct 16, 2019  |Potpourri: \\ Flying Saucers – from material written by George Adamski; \\ Deep Fakes video; \\ Windows 10 tips (askwoody.com, you may need to become a member with voluntary paid membership; Backing up your device drivers; Getting those old games back into Win10, like FreeCell, Hearts, Solitaire, Chess, Minesweeper; discussion on when to and not to update to "the latest" Win10 release (consider: consult askwoody.com which today advises NOT to patch MS patches.) {{:lctg:20191016garypatrickslides.pdf|Gary's slides}}   | |
|Oct 9, 2019  |//Yom Kippur, no meeting//   | |
|Oct 2, 2019  |Science/Technology Rivalries: Newton vs. Liebnitz vs. Hooke (Charlie Holbrow) [[https://youtu.be/ulVortc2K6c|Watch the presentation]] (note: video is missing for part of the presentation)|{{:lctg:quarrels_hndt.pdf|handout}} |
|Sept 25, 2019  |Application of physics techniques to biology. //Gene Surfing and Survival of the Luckiest//, David Nelson, Professor of Physics, Harvard (friend of Harry Forsdick). Population waves have played a crucial role in evolutionary history, as in the "out of Africa" hypothesis for human ancestry. Population geneticists and physicists are now developing methods for understanding how mutations, number fluctuations and selective advantages play out in such situations [[https://youtu.be/VeODtd0Kv48|watch the presentation]]| |
|Sept 18, 2019  |Cogito. A few weeks ago Mitch Wolfe sent out two very thought provoking links regarding the new science of voice technology, including what can be gathered by voice analysis using AI. We are fortunate to have Ali Azarbayejani, Cogito's CTO, visit and speak with us about the technology used by this local company which makes software that analyzes phone conversations and provides real-time guidance to help service employees better engage and connect with customers. [[https://youtu.be/QgpqT-BjEr4|Watch the presentation]]  | |
|Sept 11, 2019  |[[https://youtu.be/bteZh9IgMo0|Jonathan Goode discusses many interesting (and amazing) computer details including fonts]] \\  Bob Primak on the Laser Scanning of St Pauls Cathedral and an update on the cleanup of Notre Dame Cathedral|{{:lctg:laser_scanning_lextech_pt2.pdf|Notes on Bob's talk}}  \\  [[https://www.arkansasonline.com/news/2019/sep/15/lead-from-cathedral-s-april-blaze-taint/|High lead levels found in Notre Dame]] [[https://www.wsj.com/articles/notre-dame-cathedrals-restoration-stumbles-11564651800?shareToken=st0bd1cda5428446578e80a8a2fb6d06ff|WSJ Article, Reconstruction work is on hold due to lead]]|
|Sept 4, 2019  |[[https://www.youtube.com/watch?v=2ePf9rue1Ao|AI for People in a Hurry]] (short) and [[https://youtu.be/UX-Hs32cqX0|Setting Rules for the AI Race]], plus [[https://youtu.be/Ff9zxU2O2J0|a pre and post view discussion]]. Meeting led by Larry Wittig.  | |
|Aug 28, 2019  |Dava Sobel’s Google talk on “The Glass Universe”, women in Science [[https://youtu.be/P55QGltNvDs|(a Google Talk video)]] \\  JohnR will introduce the subject and speaker, we'll watch the video, and discuss it and related topics afterwards \\  see also [[https://www.youtube.com/watch?v=CXt7Mj4vANg|Constructing the Glass Universe]] by Dava Sobel. [[:20190828_addl_info|Additional info on and about this topic, by Gary Patrick]]–includes comments on the video and more.  | |
|Aug 21, 2019|"UNIX, Linux - Origins, History, Ongoing Futures", a talk presented by Charly Sestokas (note, talk will not be recorded) \\ plus a 30-minute video about SpaceX, presented by George Gamota| |
|Aug 14, 2019  |Potpourri. \\ [[https://youtu.be/CF1nyWAIxXI|Eli Brookner finishes his talk on Radar and Einstein]] \\  CharlyS on Storage (not recorded). \\  [[https://youtu.be/DwX3bv4Vjl8|How to use LexMedia to view videos on demand]]  | |
|Aug 7, 2019  |[[https://youtu.be/M_j_18prRmM|Eli Brookner "Snoopy on Radar & Phased Arrays & Einstein's Duality Theory – An Update." part 1]] (90 min)| |
|July 31, 2019|[[https://www.pbs.org/video/8-days-to-the-moon-and-back-bnqvna/|Eight Days to the Moon and Back]] - focus on Apollo 11 [George Gamota]| |
|July 24, 2019|Breaking the WWII Enigma Machine (Material from the April 2019 Lexington Veteran’s meeting, search LexMedia On Demand for "Enigma") [Rudy]| |
|July 17, 2019|Potpourri including Steve Isenberg on virtual credit cards, space elevators, and more ([[:planningpage|]]) [[https://youtu.be/ASdgOxQlSWM|recording of presentation]]| |
|July 10, 2019|Apple Computer, History and Devices, by Josh Turiel [[https://youtu.be/jo8Dy8T983c|see the presentation]]| |
|July 3, 2019|//No Meeting due to Holiday// | |
|June 26, 2019|Update on 5G (Bob Primak) {{:lctg:20190626_5g_update.pdf|5G Update slides}} {{:lctg:20190626_cnn_china_5g.pdf|China and 5G notes from CNN}} [[https://youtu.be/8uez_BvMXsY|see the presentation]]| |
|June 19, 2019|Black Hole 60-minute video (Gamota) plus| |
|June 12, 2019|From talks at Google [[https://www.youtu.be/vsMydMDi3rI|Frank Abagnale: "Catch Me If You Can"]] \\  and [[https://youtu.be/XY_lzonfE3I|A new way to remove CO2 from the atmosphere (Jennifer Wilcox)]]| |
|June 5, 2019|3D Reconstruction. Used for churches and other buildings. (Bob Primak)| |
|May 29, 2019|Potpourri including Y2K. What was it, why did it happen, was it real? (John Rudy) and Gary Patrick on Windows Issues| |
|May 22, 2019|Potpourri. Showed several movies. [[https://www.pbs.org/video/nova-vaccinescalling-shots/|Vaccines calling shots]] \\  [[https://www.youtube.com/watch?v=hUhisi2FBuw|The Ingenious Design of the Aluminum Beverage Can]] \\  [[https://www.youtube.com/watch?v=HpiZTvlWx2g|The strange tale of the Norden bombsight]]| |
|May 15, 2019|Career stories. Come prepared to tell us about your technical experiences. \\ (We have done this 2-3 times before; but not recently).|[[https://www.pbs.org/video/nova-vaccinescalling-shots/|https://www.pbs.org/video/nova-vaccinescalling-shots/]]|
|May 8, 2019|Ray Kurzweil + Disruptive Technologies and Dangerous Ideas Singularity University co-founder, Google AI Director and noted futurist Ray Kurzweil joined Peter H. Diamandis for a 90-minute Ask Me Anything, all aimed at providing you an unfair advantage for your business.|[[https://youtu.be/SaOfLtoaKqw|https://youtu.be/SaOfLtoaKqw]]|
|May 1, 2019|Potpourri and Steering Committee| |
|April 24, 2019|Documentary on Neil Armstrong|Gamota|
|April 17, 2019|History of the World in 100 Objects (continued). We listened to [[http://www.bbc.co.uk/ahistoryoftheworld/objects/aE5WngCAS7KE6hZsVKAJUg|The mechanical galleon]], [[http://www.bbc.co.uk/ahistoryoftheworld/objects/qZ7Y8jshRxSPEKJdc57FwQ|Mexican codex map]], [[http://www.bbc.co.uk/ahistoryoftheworld/objects/u6Qnc25jQ5OIO-X92mZz6Q|Ship's chronometer from HMS Beagle]], and [[http://www.bbc.co.uk/ahistoryoftheworld/objects/lvsof-uPTpeh-VRmmywHIw|Solar powered lamp and charger]]|[[https://www.britishmuseum.org/explore/a_history_of_the_world/objects.aspx#1|British Museum site]] \\  [[http://www.bbc.co.uk/ahistoryoftheworld/about/british-museum-objects/|BBC site]]|
|April 10, 2019|[[https://youtu.be/vhZWiQawsgk|Madame Curie video]] about Madame Curie and the Curie family, presented by Charlie Holbrow. Madame Curie and the Curie family will focus on her and her daughter and their characters and discoveries and how they fit into the sequence of dramatic developments in physics between the discovery of radioactivity in 1897 and the discovery of nuclear fission in 1938. This will include some description of Lise Meitner's role in these developments and a brief mention of why she didn't get a Nobel for the discovery of nuclear fission. \\  For those interested, Amazon has the movie [[https://www.amazon.com/dp/B08CMDVZMP/|Radioactive]] about Marie Curie's work (free to Amazon Prime members)|{{:lctg:curie_talk_hndt.pdf|handout that wasn't handed out}}  [[https://www.academia.edu/33809782/Mastering_picocoulombs_in_the_1890s_The_Curies_quartz_electrometer_instrumentation_and_how_it_shaped_early_radioactivity_history|How the Curies' piezo device worked and measured small electric current]]|
|April 3, 2019|Showing the 2014 AI movie Ex Machina: A young programmer is selected to participate \\ in a ground-breaking experiment in synthetic (artificial) intelligence (AI) by evaluating \\ the human qualities of a highly advanced humanoid. Very intriguing movie.|FYI, the movie is available on NetFlix.|
|March 27, 2019|[[https://www.youtube.com/watch?v=LMTdZ_3CYnc|Computer History Museum (Mountain View, CA) interview with Frank Heart (who in 1969 led the team of BBN engineers that created the ARPANET).]] \\  [[http://forsdick.com/fh/FrankHeart-Edited.mp4|slightly shortened version]]|{{:lctg:arpanet.pptx|slides}} |
|March 20, 2019|George Gamota shows video [[https://www.youtube.com/watch?v=RUNFI2-12h0|"Journey through the Milky Way"]] \\  And relating to the end of the program, info on [[https://www.sciencealert.com/only-one-experiment-has-detected-dark-matter-now-the-plot-has-thickened|Detecting Dark Matter]] \\  [[https://www.livescience.com/65059-milky-way-bulge-hides-old-stars.html|New: Milky Way Bulge]]| |
|March 13, 2019|[[https://youtu.be/byCoxe7yZfM|Password Managers]] \\  {{:lctg:passwordmanagerlctg.pdf|Slides (with links) for the presentation}}  \\  [[https://password.kaspersky.com/|Will your password stand up to a cracker?]] \\  [[https://haveibeenpwned.com/|Is your password or account info out on the web?]] \\  [[https://www.makeuseof.com/tag/best-password-managers/|Newsletter 4/15/2019 discussing password managers]]|Related info \\ {{:lctg:about_keeper_password_manager.pdf|About Keeper Password Manager}}  \\  {{:lctg:keeperwebsite.pdf|Keeper website screenshots}} |
|March 6, 2019|History of the World in 100 items. Presenting a representative sample of the 100-part series of 15 podcasts by Neil MacGregor during his time as Director of the British Museum that explores world history from 2 million years ago to the present. We listened to [[http://www.bbc.co.uk/ahistoryoftheworld/objects/GOe8Mt6vRdSNcg-yeivrEA|The Flood Tablet]], [[http://www.bbc.co.uk/ahistoryoftheworld/objects/aU8eDjPFTQy35wPaAhSLGg|Hebrew Astrolabe]], and [[http://www.bbc.co.uk/ahistoryoftheworld/objects/F3oFoFDuTx-rzhCkCL9_BA|Ming Bank Note]].|[[https://www.britishmuseum.org/explore/a_history_of_the_world/objects.aspx#1|British Museum site]] \\  [[http://www.bbc.co.uk/ahistoryoftheworld/about/british-museum-objects/|BBC site]]|
|February 27, 2019|[[https://youtu.be/YfGXFp7J1OU|George Gamota presents "2018 Space Events/Discoveries" plus 10 minute update on "Trump's Science Appointees"]]|{{:lctg:spaceupdate2018.pptx|Space Update slides}}  \\  {{:lctg:presidenttrumpsciencegurus.pptx|Trump Science Appointees slides}} |
|February 20, 2019|[[https://youtu.be/0ZT_O_yju-w|Charlie presents the first of 3 talks on quantum physics, today's subject is "why wave-particle duality makes such a disturbing theory necessary"]]|{{:lctg:why_qm.pptx|Powerpoint slides}}  \\  {{:lctg:wave_particle_outline.pdf|Wave Particle outline -- Why we need quantum mechanics}} |
|February 13, 2019|[[https://youtu.be/YpY4NkaN0y8|Windows System Maintenance and Updating (Bob Primak) part 1]]|{{:lctg:win10-20190219-_maint_upd.pdf|PDF of Bob's slides}} |
|February 6, 2019|[[https://youtu.be/LRX6rzZaggI|The Power Grid (presented by Jackie Zajac)]]|{{:lctg:power_grid.pdf|PDF of Jackie's slides}} |
|January 30, 2019|2019 lg Nobel awards ceremony (presenter Peter Albin) \\ [[https://youtu.be/GQqZVthHyuA|Awards Ceremony]] [[https://www.improbable.com/|Improbable Research home]]|"Research that makes people LAUGH and then THINK"|
|January 23, 2019|Shown: \\ [[https://www.youtube.com/watch?v=kF4ju6j6aLE|TED Talk String theory - Brian Greene]] \\  [[https://www.youtube.com/watch?v=fNKRm6H-qOU|The greatest dance sequence ever]] \\  [[https://www.ted.com/talks/hans_rosling_shows_the_best_stats_you_ve_ever_seen?language=en#t-495053|The best stats you've ever seen]] \\  [[https://www.youtube.com/watch?v=uWjdnvYok4I|The tyranny of the rocket equation]] \\  Not shown but of possible interest \\  [[https://www.youtube.com/watch?v=bf7BXwVeyWw|TED Talk Why is our universe fine-tuned for life? - Brian Greene]] \\  [[https://www.youtube.com/watch?v=eLdmvZbXzo4|10 Fascinating Examples of Unintended Consequences]]| |
|January 16, 2019|[[https://www.youtube.com/watch?v=vuIlsN32WaE|Mathematics of Weight Loss]] \\  [[https://www.youtube.com/watch?v=711VklH-4fA|10 Times Michio Kaku Arguments Blew Our Minds]] \\  [[https://www.youtube.com/watch?v=5UGC2nLnaes|TED Talk The freakonomics of McDonalds vs Drugs by Steve Levitt]]| |
|January 9, 2019|[[https://youtu.be/yDkmyQChC_U|Michael Rosenblatt, MD on "Ways That Wartime Injuries Have Influenced Civilian Medical Practice"]]|[[https://groups.yahoo.com/neo/groups/LexingtonComputerGroup/files/2019%20Presentations/MilitaryMedicineAdvancesImpactingCivilianTraumaCare.pptx|link to slides on Yahoo]]|