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^Date^Topic and links^Attaches^#^
|Jan 5, 2022|Best of Freakonomics, an interview with Steven Levitt and Stephen Dubner, moderated by Faith Salie. Recorded at the 92nd Street Y on May 2015.| |<color #bdbdbd>26</color>|
|Jan 12, 2022|Downdraft Radar Technology (Dr. Jim Evans) [[https://youtu.be/p_bBInkAoDI|video shown as part of presentation]] {{lctg:20220112_evans_downdraftradar.pdf|Slides}}| [[https://youtu.be/bZpFPjNnNBA|Downdraft Radar Presentation]]| <color #bdbdbd>35</color>|
|Jan 19, 2022|Quantum Mechanics Part 1 (Charlie Holbrow)| [[https://youtu.be/m1vdpQuUzaw|Quantum Mechanics presentation]]|<color #bdbdbd>39</color>|
|Jan 26, 2022|Potpourri\\ * Meandering Rivers (John Rudy) Concord River is a good example. e.g., [[https://www.ausableriver.org/blog/why-do-streams-meander|https://www.ausableriver.org/blog/why-do-streams-meander]] Mark Twain and Fenimore Cooper\\ * Sweet Summations in Short (Charlie Holbrow)\\ * [[https://www.khanacademy.org/science/physics/light-waves/interference-of-light-waves/v/single-slit-interference|Single Slit Interference Explained]] (Bob Melanson)|[[https://youtu.be/DkeussZpDwA|Meandering Rivers presentation]]\\  [[https://youtu.be/Ez9m3dM5CYU|Sweet Summations presentation]]\\ [[https://youtu.be/t9c9Ac4LMFs|Slit Interference presentation]] |<color #bdbdbd>36</color> |
|Feb 2, 2022|Manufacturing Chips (Dan Gamota, son of our George, works for a chip manufacturer)|[[https://youtu.be/g69wSWGYuRQ|Chip Manufacturer presentation]] |<color #bdbdbd>40</color> |
|Feb 9, 2022|Virus package update; both real-time (e.g., Defender) and off-line (e.g., Malware Bytes). Consider Windows 10 & Windows 11(TPM), but also Mac/OSX. \\ {{lctg:20220209_windows_antivirus_roundup.pdf|presentation notes}} {{lctg:20220209_se_labs_epp_2021_q4_consumer_av_tests.pdf|SE Labs tests}}\\ [[https://www.youtube.com/watch?v=dT9y-KQbqi4|How a guy hacked a crypto wallet]] (32m) | [[https://youtu.be/hw9JEz9GIJE|Virus Update Presentation]] |<color #bdbdbd>31</color> |
|Feb 16, 2022|//Potpourri//\\ Charlie Holbrow explains Lagrangian points, especially L2.\\ Followup to Virus topic: Browser Guards (Drew King) {{lctg:202202016_browserguards.pdf|slides}} |[[https://youtu.be/LNOF_mexw-o|Lagrangian Points presentation]]\\ [[https://youtu.be/Uy9N8rb0zUk|Browser Guards presentation]]  |<color #bdbdbd>34</color> |
|Feb 23, 2022|//planning meeting no presentation//| |<color #bdbdbd>16</color> |
|Mar 2, 2022 10am|George Gamota Space Update |[[https://youtu.be/NWw-xQM5PxA|Space Update presentation]]|<color #bdbdbd>30</color> |
|Mar 2, 2022  7pm|Managing File Size - for Photos, email, PDF documents, etc. (Allan Sherman)\\ //Allan was the lead of this group in the past and is well respected by those who know, or meet, him.  He also discusses his life in New Zealand for the past two years.//|[[https://youtu.be/o2V4GAm_YHo|Managing File Size presentation]]|<color #bdbdbd>27</color> |
|Mar 9, 2022| The secret of Tuxedo Park (PBS American Experience) [53m]\\ [[https://www.youtube.com/watch?v=fHXx2LJlObo|Where did "Tuxedo" come from?]][5m]| |<color #bdbdbd>25</color> |
|Mar 16, 2022| Potpourri\\ Upgrading to Windows 11 and getting around the Windows 11 machine requirements (Drew)\\ [[https://www.youtube.com/watch?v=nYg6jzotiAc|Feynman: Fun to Imagine]] (Jiggling Atoms, Fire, and Rubber Bands)\\ [[https://www.youtube.com/watch?v=hUhisi2FBuw|How to build a tin can]] (12m)\\  [[https://www.youtube.com/watch?v=7CUojMQgDpM|The Physics of Curling]] (11m)\\ [[https://www.youtube.com/watch?v=eUy9ake9q8w|How Curling Stones are Made]] (6m)|{{lctg:20220316_installing_windows11_on_legacy_computers.pdf|slides from Windows 11 presentation}}\\ [[https://youtu.be/PqAmXMTqLxc|Windows 11 presentation]] |<color #bdbdbd>30</color> |
|Mar 23, 2022| Women in Science: David Kahan presenting an overview of the history and accomplishments of women in science over the years.| [[https://youtu.be/SipEnCrNxmM|Women in Science presentation]]|<color #bdbdbd>25</color> |
|Mar 30, 2022|Quantum Physics Part 2 (Charlie Holbrow)\\ //Related presentations by Charlie: [[https://youtu.be/m1vdpQuUzaw|Quantum Mechanics I]] and  [[https://youtu.be/0ZT_O_yju-w|Quantum Physics]]//|[[https://youtu.be/cvD03NvSwuI|Quantum Physics presentation]]|<color #bdbdbd>33</color> |
|Apr 6, 2022| John Snow and the Cholera Epidemic of 1854 (Jerry Slate)\\ //John Snow  (1813 – 1858) was a British physician who became interested in the transmission of cholera. At the time, airborne transmission of disease, miasma, was the accepted model for cholera. When Snow showed his data on the cholera epidemic of 1854 (in a manner not previously seen), there was much resistance in the scientific community to a paradigm shift.// |[[https://youtu.be/wtshshmm9Vo|John Snow/Cholera presentation]]|<color #bdbdbd>27</color> |
|Apr 13, 2022|Craig Fields on DARPA (not recorded at speaker's request) Honest remarks and a lively conversation with the person who ran DARPA from 1974-1990.\\ //DARPA=Defense Advanced Research Projects Agency//|not recorded|<color #bdbdbd>37</color> |
|Apr 20, 2022|Potpourri\\ GPS Jamming (Bob Primak) {{lctg:20220420_gps_jamming.pdf|slides}}\\ [[https://www.youtube.com/watch?v=aFPJf-wKTd0|Bowling Balls, Lanes, and Science]]|[[https://youtu.be/ivybnSACoyU|GPS Jamming presentation]]|<color #bdbdbd>34</color> |
|Apr 27, 2022|How Air Traffic Control has been impacted by STARS (Mel Weinzimer)\\ //STARS=Standard Terminal Automation Replacement System, developed by Raytheon and the FAA as part of the Terminal Automation Modernization and Replacement (TAMR) Program.//|[[https://youtu.be/qtJe8XCMbGw|ATC/STARS presentation]]|<color #bdbdbd>42</color> |
|May 4, 2022|Michael Faraday: Student of the Natural World (Franklin Segall, M.D.) |not recorded|<color #bdbdbd>34</color> |
|May 11, 2022|James Clerk Maxwell: Scientist as Magician (Franklin Segall, M.D.) |not recorded|<color #bdbdbd>38</color> |
|May 18, 2022|Rumford -- From Woburn Farmboy to Count of the Holy Roman Empire. (Howard Cohen)\\ From [[https://en.wikipedia.org/wiki/Benjamin_Thompson|Wikipedia]]:\\ //Sir Benjamin Thompson, Count Rumford, was an American-born British physicist and inventor whose challenges to established physical theory were part of the 19th-century revolution in thermodynamics.// {{lctg:20220518_rumford2a.pdf|slides}} |[[https://youtu.be/LIZbO1QQvWo|Rumford presentation]]|<color #bdbdbd>32</color> |
|May 25, 2022|Scheduling meeting| |<color #bdbdbd>29</color> |
|June 1, 2022|Bitcoin and Web3 - Their Technology and Impact on the World; and NFT - Non Fungible Tokens (Jerry Harris [Lex])\\ Suggested video [[https://www.youtube.com/watch?v=YQ_xWvX1n9g]]\\ {{lctg:20220601_crypto_in_2022_bitcoin_web3_blockchain_nfts__de-fi.pdf|presentation slides}}|[[https://youtu.be/QWOGF4PeEGY|Bitcoin Web3 presentation]]|<color #bdbdbd>44</color>|
|June 8, 2022|A. A. Michelson -- The Prodigy of High Precision Measurements (Daniel Kleppner) |[[https://youtu.be/_2CXrNOB7HY|High Precision presentation]]|<color #bdbdbd>27</color>|
|June 15, 2022|Solar Panels and Energy Storage Devices (Mark Sandeen) -- why or why not, and savings, pluses and minuses |[[https://youtu.be/jh-ieBGwB4E|Solar Panel presentation]]|<color #bdbdbd>44</color>|
|June 22, 2022|Internet fast lanes, stock trading, net neutrality. (Bob Primak)|[[https://youtu.be/qzm3QI-wyPg|Internet Trading presentation]]|<color #bdbdbd>27</color>|
|June 29, 2022|Scientific CCD Development at MIT Lincoln Laboratory  (Christopher Leitz)\\ //The Advanced Imager Technology group at MIT Lincoln Laboratory designs and fabricates detectors and readout circuits for imaging applications in support of National Security and scientific exploration. Dr. Leitz outlines their history in providing these devices for the scientific community and highlights future directions in CCD development, notably new detector materials, new fabrication processes, and new readout amplifiers for applications in astrophysics, astronomy, and particle physics.//{{lctg:20220629_ccd_devt.pptx|presentation slides, slide 19 has an embedded movie}}|[[https://youtu.be/yisqIghJptg|CCD Development Presentation]]|<color #bdbdbd>28</color>|
|July 6, 2022|Basics of Fusion (Fusion part I) (Ted Kochanski)|[[https://youtu.be/kgn7JYERNN4|watch Fusion part I presentation]]|<color #bdbdbd>30</color>|
|July 13, 2022|Potpouri\\ * Notetaking applications: Using and contrasting Obsidian, Evernote, OneNote, and others (Jerry Harris) {{lctg:20220713_note_taking.pdf|slides}}\\ * Hybridization: How can we hold our meetings both online and in-person. Technology needed on-the-cheap and issues to consider. A status of current ideas and future investigations. |[[https://youtu.be/yLAQKl7Kw2M|watch the Notetaking presentation]]|<color #bdbdbd>30</color>|
|July 20, 2022|The Code Breaker: A Conversation with Jennifer Doudna [50m]|[[https://livestream.com/accounts/2261474/events/10130344/videos/229928052|link]]|<color #bdbdbd>25</color>|
|July 27, 2022|History of Missions to Mars (George Gamota)\\ Video from [[https://www.jpl.nasa.gov/who-we-are/documentary-series-jpl-and-the-space-age|JPL/NASA Documentary Series]], we saw [[https://www.jpl.nasa.gov/who-we-are/documentary-series-jpl-and-the-space-age/episode-4-the-changing-face-of-mars|episode #4, The Changing Face of Mars]]\\ We showed these "Courtesy of NASA/JPL-Caltech" according to their  {{lctg:jplimageusepolicy.pdf|Permission to use}}| |<color #bdbdbd>32</color>|
|August 3, 2022|Quantum Basics part III (Charles Holbrow)|[[https://youtu.be/7l8vqoN4Na4|watch the presentation]] |<color #bdbdbd>30</color>|
|August 10, 2022|Ukraine: The Real Truth (George Gamota)|[[https://youtu.be/SD2XdUhzTaQ|watch the presentation]]|<color #bdbdbd>36</color>|
|August 17, 2022|Weather Models (Matt Belk) {{lctg:20220817_weather_models.pdf|slides}}|[[https://youtu.be/liTvQbtNnA0|watch the presentation]] |<color #bdbdbd>47</color>|
|August 24, 2022|Potpourrri\\ [[https://www.youtube.com/watch?v=vuIlsN32WaE|The Mathematics of Weight Loss]]\\ [[https://www.youtube.com/watch?v=bOuEJf8Dr_4|25 Chemistry Experiments in 15 Minutes]] | |<color #bdbdbd>32</color>|
|August 31, 2022|Fusion part II (Ted Kochanski)|[[https://youtu.be/akmg2mQ5Gik|watch the presentation]] |<color #bdbdbd>29</color>|
|Sept 7, 2022|Personal Stories, potentially including:\\ * Alan Millner\\ * Dan Kleppner| |<color #bdbdbd>28</color>|
|Sept 14, 2022|Mega Planning Meeting| |<color #bdbdbd>27</color>|
|Sept 21, 2022|Gravitational Wave Astronomy (LIGO) -- some future, and a little pedagogy about the field. Rainer Weiss (via Charlie Holbrow)|[[https://youtu.be/G6g3r8qxWcM|watch the presentation]] |<color #bdbdbd>35</color>|
|Sept 28, 2022|Prion Diseases: What They Are and How They're Caused (Dick Wagner)|[[https://youtu.be/M-eFxsEKQuI|watch the presentation]] |<color #bdbdbd>35</color>|
|<fc #a0a0a0>Oct 5, 2022</fc>|<fc #a0a0a0>//Yom Kippur // The Jewish Day of Fasting and Repentance. (No meeting)</fc>|
|Oct 12, 2022|Windows 11: Is it time to move to Win 11? Feature Update. (Drew King){{lctg:20221012_win11.pdf|slides}}\\ Windows Must-Haves (important applications and tools) (Peter Albin) {{lctg:20221012_musthaves.pdf|slides}} |[[https://youtu.be/NhlDobQ9eGY|watch the presentation]]|<color #bdbdbd>33</color>|
|Oct 19, 2022|Potpourri -- several videos shown\\ [[https://www.youtube.com/watch?v=FMojC4-xilA|history and making m&ms]]\\ [[https://www.youtube.com/watch?v=h8g9wfI9nGI|Secret Hiding Place Behind My Office]]\\ [[https://www.youtube.com/watch?v=Rsxao9ptdmI|Beating Arcade Games with Science]]\\ [[https://www.youtube.com/watch?v=16Ci_2bN_zc|Dropping a penny from Empire State Bldg]]| |<color #bdbdbd>26</color>|
|Oct 26, 2022|The project to generate oxygen from Carbon Dioxide on Mars surface (Mike Hecht/Lincoln Labs Haystack Observatory) | {{lctg:20221026_moxie_mars_o2.pdf|slides}} [[https://youtu.be/56-xpi3hEvc|watch the presentation]] |<color #bdbdbd>43</color>|
|Nov 2, 2022|IgNobel Awards| |<color #bdbdbd>33</color>|
|Nov 9, 2022|Facial Recognition (John Rudy) {{lctg:20221109_facial_recognition.pdf|slides}}|[[https://youtu.be/6eupcUxqggU|watch the presentation]] |<color #bdbdbd>37</color>|
|Nov 16, 2022|John Belcher - Voyager Spacecraft Update, Lessons Learned\\ //John Belcher is an MIT professor of physics emeritus.  He received his PhD from CalTech in 1971 and as a postdoc at MIT, helped write the proposal to put a plasma experiment on the Voyager missions, launched in 1977, and is still sending back data.  See: [[https://voyager.jpl.nasa.gov/]]// {{lctg:20221116_voyagerspacecraftupdate.pdf|slides}}|[[https://youtu.be/ox2wl0E_PH8|watch the presentation]]|<color #bdbdbd>36</color>|
|Nov 23, 2022|//day before thanksgiving// no meeting|
|Nov 30, 2022|Planning Meeting.| |<color #bdbdbd>23</color>|
|Dec 7, 2022|Potpourri\\ Why Use Radians as Angular Measure? (Charles Holbrow)\\ Nuclear Energy Update (David Kahan) {{lctg:20221207_nuclear_power_update.pdf|slides}}\\ [[https://www.youtube.com/watch?v=8HEfIJlcFbs|World Record Domino Robot]] Setting up 100,000 dominoes in 24 hours\\ [[https://nuclearsecrecy.com/nukemap/|nuclear bomb effects on a city]] and [[https://bigthink.com/strange-maps/nukemap/|about these nuclear maps]]| |<color #bdbdbd>37</color>|
|Dec 14, 2022|Cognition, Affect, and Learning: The Role of Emotions in Learning – Barry Kort |[[https://youtu.be/sf2JL3zwrmg|watch the presentation]] |<color #bdbdbd>??</color>|
|Dec 21, 2022|Early Digital Computers from late 1930's to around 1950 (Carl Lazarus)\\ |[[https://youtu.be/a1KN0KiOnMs|watch the presentation]] |<color #bdbdbd>39</color>|
|Dec 28, 2022|//between Christmas and New Years - no meeting//|