TOKU - Treasury of Knowledge for Users

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 <a href="/doku.php?id=doing_a_zoom_presentation" class="wikilink1" title="doing_a_zoom_presentation" data-wiki-id="doing_a_zoom_presentation">Presenting to the group with Zoom</a>&lt;color #ffffff>not ready for prime time: [using ppt impress etc to present|Tips for using MS Powerpoint and LibreOffice Impress in your presentation]&lt;/color> &lt;fs x-small>This page last changed ~~LASTMOD~~ Visits: {{counter|today| time| times}} today, {{counter|yesterday| time| times}} yesterday, and {{counter|total| time| total times}} since 9/10/2025.&lt;/fs> 
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<h1>PLAY VERSION 02 Not For Use other than playing</h1>
<div class="level1">

this is a silly change

</div>

<h3>recents</h3>
<div class="level3">

&lt;fs large>Recently recorded meeting videos you can watch now:&lt;/fs>

<ul>
<li class="level1"> <a href="https://youtu.be/1QcmpPk2QRg" class="urlextern" title="https://youtu.be/1QcmpPk2QRg" rel="ugc nofollow">Volcanic Activity studies</a> 8/13/2025 (TedK's last presentation)</li>
<li class="level1"> <a href="https://youtu.be/kipMl3DG-Us" class="urlextern" title="https://youtu.be/kipMl3DG-Us" rel="ugc nofollow">Antarctic Ice-Crack Growth and Iceberg Formation due to Global Warming</a> 7/2/2025</li>
<li class="level1"> <a href="https://youtu.be/mBj1dtp5WX0" class="urlextern" title="https://youtu.be/mBj1dtp5WX0" rel="ugc nofollow">Drones and Drone Photography</a> 7/16/2025</li>
<li class="level1"> <a href="https://youtu.be/6UgJoZYEVG4" class="urlextern" title="https://youtu.be/6UgJoZYEVG4" rel="ugc nofollow">Hearing Aids - Types, Differences, Choosing</a> 4/2/2025</li>
<li class="level1"> <a href="https://youtu.be/RfW7JGTR8JQ" class="urlextern" title="https://youtu.be/RfW7JGTR8JQ" rel="ugc nofollow">Hearing Aids - Continued</a>. 8/20/2025</li>
</ul>

</div>

&lt;fs large>::RECENT AND UPCOMING MEETINGS::&lt;/fs> 
 Recent and
 UPCOMING
 meetings

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<div class="table sectionedit1"><table class="inline">
	<thead>
	<tr class="row0">
		<th class="col0">Date</th><th class="col1">Topic</th><th class="col2">confirmed</th><th class="col3">Followups</th>
	</tr>
	</thead>
	<tr class="row1">
		<td class="col0">Aug 6, 2025</td><td class="col1">Potpourri 
<a href="https://www.youtube.com/watch?v=v68zYyaEmEA" class="urlextern" title="https://www.youtube.com/watch?v=v68zYyaEmEA" rel="ugc nofollow">(31m) Solving Wordle using information theory</a> . <a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250806" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250806" rel="ugc nofollow">chat messages</a>. <a href="/doku.php?id=lctgmeetingsummary20250806" class="wikilink1" title="lctgmeetingsummary20250806" data-wiki-id="lctgmeetingsummary20250806">Meeting Summary</a> 
and/or Ground Based Deep Space Telescope accomplishments (?) 
and/or <a href="https://youtu.be/t3RQnRjD5JE?start=1000" class="urlextern" title="https://youtu.be/t3RQnRjD5JE?start=1000" rel="ugc nofollow">(1h8m+30m Q&A) new results from the Event Horizon Telescope (EHT), from the team that brought us the first-ever image of a black hole, from 5/16/2022</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row2">
		<td class="col0">Aug 13, 2025</td><td class="col1">Volcanic activity studies <a href="/doku.php?id=lctgmeetingsummary20250813" class="wikilink1" title="lctgmeetingsummary20250813" data-wiki-id="lctgmeetingsummary20250813">Meeting Summary</a> . <a href="https://youtu.be/1QcmpPk2QRg" class="urlextern" title="https://youtu.be/1QcmpPk2QRg" rel="ugc nofollow">watch the presentation</a>.</td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row3">
		<td class="col0">Aug 20, 2025</td><td class="leftalign">Hearing Aid Appliances for Dummies (What options are there to help you improve your hearing? How do you choose a Hearing Aid (HA)? Tricks and tips, things to look for in a HA and what to watch out for. Can you buy a useful HA without a prescription?) <a href="/lib/exe/fetch.php?media=lctg:20250820_ha_addition.pdf" class="media mediafile mf_pdf" title="lctg:20250820_ha_addition.pdf (51.2 KB)">George's slides</a> . <a href="/lib/exe/fetch.php?media=lctg:20250820_hearingaidappliances.pdf" class="media mediafile mf_pdf" title="lctg:20250820_hearingaidappliances.pdf (451.4 KB)">Charlie's Slides</a> . <a href="/doku.php?id=lctgmeetingsummary20250820" class="wikilink1" title="lctgmeetingsummary20250820" data-wiki-id="lctgmeetingsummary20250820">Meeting Summary</a> . <a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250820" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250820" rel="ugc nofollow">chat messages</a> . <a href="https://youtu.be/RfW7JGTR8JQ" class="urlextern" title="https://youtu.be/RfW7JGTR8JQ" rel="ugc nofollow">watch the presentation</a> 
 Pertinent videos 
<a href="https://www.youtube.com/watch?v=ZJ0-aZHwOE4" class="urlextern" title="https://www.youtube.com/watch?v=ZJ0-aZHwOE4" rel="ugc nofollow">Phonak Audeo Sphere (28m)</a> 
<a href="https://www.youtube.com/watch?v=jEXt8BwJy_Q" class="urlextern" title="https://www.youtube.com/watch?v=jEXt8BwJy_Q" rel="ugc nofollow">Jabra 30 (13m)</a> 
<a href="https://www.youtube.com/watch?v=cnoGiSNxVd0" class="urlextern" title="https://www.youtube.com/watch?v=cnoGiSNxVd0" rel="ugc nofollow">Best Costco Hearing Aids 2025 (58m)</a> 
<a href="https://onlinehearing.com" class="urlextern" title="https://onlinehearing.com" rel="ugc nofollow">Non-Costco provider, onlinehearing.com</a> </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row4">
		<td class="col0">Aug 27, 2025</td><td class="col1">Using AI Tools and Techniques to Explore Molecular Biology Findings by Monod 
 Covering: Monod's contributions to molecular biology and Demonstrating AI tools and techniques 
 Using the AI Group's <a href="https://jhnday.github.io/Chance-and-Necessity/ChncNeccPortal" class="urlextern" title="https://jhnday.github.io/Chance-and-Necessity/ChncNeccPortal" rel="ugc nofollow">Chance and Necessity Portal</a> for this talk. <a href="/doku.php?id=lctgmeetingsummary20250827" class="wikilink1" title="lctgmeetingsummary20250827" data-wiki-id="lctgmeetingsummary20250827">Meeting Summary</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row5">
		<td class="col0">Sep 3, 2025</td><td class="col1">Robots in Everyday Life 
<a href="/doku.php?id=lctgmeetingsummary20250903" class="wikilink1" title="lctgmeetingsummary20250903" data-wiki-id="lctgmeetingsummary20250903">Meeting Summary</a> . <a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250903" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250903" rel="ugc nofollow">chat messages</a></td><td class="col2"> </td><td class="col3">JohnR</td>
	</tr>
	<tr class="row6">
		<td class="col0">Sep 10, 2025</td><td class="col1">AI and Copyright Law, and CRISPR update 
<a href="/doku.php?id=lctgmeetingsummary20250910" class="wikilink1" title="lctgmeetingsummary20250910" data-wiki-id="lctgmeetingsummary20250910">Meeting Summary</a> . <a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250910" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250910" rel="ugc nofollow">chat messages</a></td><td class="col2"> </td><td class="col3">Dick</td>
	</tr>
	<tr class="row7">
		<td class="col0" colspan="4">@#9999ff:&lt;fs small>N e x t . M e e t i n g &lt;/fs></td>
	</tr>
	<tr class="row8">
		<td class="col0">Sep 17, 2025</td><td class="col1">&lt;bg yellow>GASP Planning session&lt;/bg></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row9">
		<td class="col0" colspan="4">@#9999ff:&lt;fs small> . &lt;/fs></td>
	</tr>
	<tr class="row10">
		<td class="col0">Sep 24, 2025</td><td class="col1">Shooting Down Drones: Raytheon's approach to attacking drones (Will Straus) (tentative) &lt;fs x-small>(RH day2)&lt;/fs></td><td class="col2"> </td><td class="col3">JohnR</td>
	</tr>
	<tr class="row11">
		<td class="col0">Oct 1, 2025</td><td class="col1">&lt;fs x-small>(YK eve)&lt;/fs> Windows Power Toys</td><td class="col2">yes</td><td class="col3">Peter</td>
	</tr>
	<tr class="row12">
		<td class="col0">Oct 8, 2025</td><td class="col1">Susan Liebman and The Dressmaker's Mirror </td><td class="col2">yes</td><td class="col3"> </td>
	</tr>
	<tr class="row13">
		<td class="col0">Oct 15, 2025</td><td class="col1">Potpourri 
 Federal Science Priority Update (George)</td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row14">
		<td class="col0">Oct 22, 2025</td><td class="col1">Edwin Land <a href="https://www.youtube.com/watch?v=2k2XVoJDS_0" class="urlextern" title="https://www.youtube.com/watch?v=2k2XVoJDS_0" rel="ugc nofollow">Mr. Polaroid</a> (smi/m)</td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row15">
		<td class="col0">Oct 29, 2025</td><td class="col1"> </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row16">
		<td class="col0">Nov 5, 2025</td><td class="col1">LCTG AI Research Group</td><td class="leftalign"> </td><td class="col3">John Day</td>
	</tr>
	<tr class="row17">
		<td class="col0">Nov 12, 2025</td><td class="col1">Potpourri</td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row18">
		<td class="col0">Nov 19, 2025</td><td class="col1"> </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row19">
		<td class="col0">Nov 26, 2025</td><td class="col1">Thanksgiving eve </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row20">
		<td class="col0">Dec 3, 2025</td><td class="col1"> </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row21">
		<td class="col0">Dec 10, 2025</td><td class="col1"> </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row22">
		<td class="col0">Dec 17, 2025</td><td class="col1">Potpourri</td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row23">
		<td class="col0">Dec 24, 2025</td><td class="col1">'twas the night before Christmas </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row24">
		<td class="col0">Dec 31, 2025</td><td class="col1">New Year's Eve </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row25">
		<td class="col0">Jan 7, 2026</td><td class="col1"> </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row26">
		<td class="col0">Jan 14, 2026</td><td class="col1">Potpourri</td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row27">
		<td class="col0">Jan 21, 2026</td><td class="col1"> </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row28">
		<td class="col0">Jan 28, 2026</td><td class="col1"> </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row29">
		<td class="col0"> </td><td class="col1"> </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
</table>
 
</div>

&lt;hidden initialState="visible" onVisible="Click to hide recent meetings" onHidden="click to show recent meetings">

&lt;fs large>::RECENT MEETINGS::&lt;/fs>

<div class="table sectionedit2"><table class="inline">
	<tr class="row0">
		<td class="col0">January 8, 2025</td><td class="col1">Dick Wagner on Sociobiology 
 Talk based on Sociobiology (The New Synthesis) by Edward O. Wilson © 1975 <a href="https://youtu.be/_NXJbLXzaQ0" class="urlextern" title="https://youtu.be/_NXJbLXzaQ0" rel="ugc nofollow">watch the presentation</a> . <a href="/doku.php?id=2025lctgmeetingchats#section20250108" class="wikilink1" title="2025lctgmeetingchats" data-wiki-id="2025lctgmeetingchats">chat messages</a> . <a href="/doku.php?id=lctgmeetingsummary20250108" class="wikilink1" title="lctgmeetingsummary20250108" data-wiki-id="lctgmeetingsummary20250108">Meeting Summary</a> . <a href="/lib/exe/fetch.php?media=lctg:20250108_sociobiology.pdf" class="media mediafile mf_pdf" title="lctg:20250108_sociobiology.pdf (549 KB)">slides</a> </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row1">
		<td class="col0">January 15, 2025</td><td class="leftalign">Potpourri 
 Continuation of Sociobiology <a href="/lib/exe/fetch.php?media=lctg:20250115_sociobiology_ii.pdf" class="media mediafile mf_pdf" title="lctg:20250115_sociobiology_ii.pdf (52.7 KB)">slides</a> . <a href="https://youtu.be/VWj-rVPhgqw" class="urlextern" title="https://youtu.be/VWj-rVPhgqw" rel="ugc nofollow">watch the presentation</a> 
<a href="https://www.youtube.com/watch?v=mofEOSUkMpA" class="urlextern" title="https://www.youtube.com/watch?v=mofEOSUkMpA" rel="ugc nofollow">Elon Musk's optimistic views of the future</a> . <a href="/doku.php?id=lctgmeetingsummary20250115" class="wikilink1" title="lctgmeetingsummary20250115" data-wiki-id="lctgmeetingsummary20250115">Meeting Summary</a> </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row2">
		<td class="col0">January 22, 2025</td><td class="col1">Practical Fusion Power Update and Challenges: breeding and handling Tritium (TedK) 
<a href="/doku.php?id=lctgmeetingsummary20250122" class="wikilink1" title="lctgmeetingsummary20250122" data-wiki-id="lctgmeetingsummary20250122">Meeting Summary</a> . <a href="https://youtu.be/TfBXwKZn7Tc" class="urlextern" title="https://youtu.be/TfBXwKZn7Tc" rel="ugc nofollow">watch the presentation</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row3">
		<td class="col0">January 29, 2025</td><td class="col1">Potpourri. <a href="https://www.youtube.com/watch?v=BYVZh5kqaFg" class="urlextern" title="https://www.youtube.com/watch?v=BYVZh5kqaFg" rel="ugc nofollow">Egg Drop from Space (Mark Rober)</a> . <a href="https://www.youtube.com/watch?v=SAaESb4wTCM" class="urlextern" title="https://www.youtube.com/watch?v=SAaESb4wTCM" rel="ugc nofollow">How does a computer mouse work? (12m)</a> . <a href="https://www.youtube.com/watch?v=QcUey-DVYjk" class="urlextern" title="https://www.youtube.com/watch?v=QcUey-DVYjk" rel="ugc nofollow">Astrophysicist Explains Gravity in 5 Levels of Difficulty</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row4">
		<td class="col0">February 5, 2025</td><td class="col1">Sabine Hossenfelder day 
 Videos we watched: <a href="https://youtu.be/iNIp6AzUV8U" class="urlextern" title="https://youtu.be/iNIp6AzUV8U" rel="ugc nofollow">Did DeepSeek burst the AI bubble or will the Stargate Project make it worse?</a> 
<a href="https://youtu.be/PjXNzEshZUc" class="urlextern" title="https://youtu.be/PjXNzEshZUc" rel="ugc nofollow">AI Super Agents are coming. Allegedly. What does this mean?</a> . <a href="https://youtu.be/2gd-x-Yl5ac" class="urlextern" title="https://youtu.be/2gd-x-Yl5ac" rel="ugc nofollow">The Case for String Theory Just Got Stronger</a> 
<a href="https://youtu.be/tWrUklXprIc" class="urlextern" title="https://youtu.be/tWrUklXprIc" rel="ugc nofollow">How close is the bird flu to human transmission? Status update.</a> . <a href="https://youtu.be/SEvs4zgVr0E" class="urlextern" title="https://youtu.be/SEvs4zgVr0E" rel="ugc nofollow">Is the Universe Infinite or Finite?</a> 
<a href="https://youtu.be/93EnBN0-X6s" class="urlextern" title="https://youtu.be/93EnBN0-X6s" rel="ugc nofollow">What is “gravitic propulsion” and could the US government hide it?</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row5">
		<td class="col0">February 12, 2025</td><td class="col1">Modular Nuclear Reactors (MNRs). These are being developed to supplement the production of electricity for the coming energy-hungry data centers. (George W Griffith PhD from Idaho National Laboratory, part of Department of Energy)<a href="/lib/exe/fetch.php?media=lctg:20250212_smr.pdf" class="media mediafile mf_pdf" title="lctg:20250212_smr.pdf (3.2 MB)">slides</a> . <a href="/lib/exe/fetch.php?media=lctg:20250212_smr_status_gwgriffith.pdf" class="media mediafile mf_pdf" title="lctg:20250212_smr_status_gwgriffith.pdf (7.1 MB)">Paper on status of SMR</a> . <a href="/doku.php?id=lctgmeetingsummary20250212" class="wikilink1" title="lctgmeetingsummary20250212" data-wiki-id="lctgmeetingsummary20250212">Meeting Summary</a><a href="https://youtu.be/nUUF_uILJlk" class="urlextern" title="https://youtu.be/nUUF_uILJlk" rel="ugc nofollow">watch the presentation</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row6">
		<td class="col0">February 19, 2025</td><td class="col1">Potpourri, showing: <a href="https://www.youtube.com/watch?v=d3zTfXvYZ9s" class="urlextern" title="https://www.youtube.com/watch?v=d3zTfXvYZ9s" rel="ugc nofollow">Time travel in fiction (8m)</a><a href="https://www.youtube.com/watch?v=xjQDKGxPjak" class="urlextern" title="https://www.youtube.com/watch?v=xjQDKGxPjak" rel="ugc nofollow">How time travel is possible (9m)</a> 
<a href="https://www.youtube.com/watch?v=aOmDLCD187c" class="urlextern" title="https://www.youtube.com/watch?v=aOmDLCD187c" rel="ugc nofollow">The time travel paradox you never heard of (10m)</a><a href="https://www.youtube.com/watch?v=u-gLKG80Vsw" class="urlextern" title="https://www.youtube.com/watch?v=u-gLKG80Vsw" rel="ugc nofollow">New office math (1m)</a> 
<a href="https://www.youtube.com/watch?v=jRLNVvsxfFo" class="urlextern" title="https://www.youtube.com/watch?v=jRLNVvsxfFo" rel="ugc nofollow">Why can't anything go faster than the speed of light? History of speed of light part II (12m)</a> 
<a href="https://www.youtube.com/watch?v=oAHbLRjF0vo" class="urlextern" title="https://www.youtube.com/watch?v=oAHbLRjF0vo" rel="ugc nofollow">The best and worst ways to board a plane (9m)</a><a href="https://www.youtube.com/watch?v=et7XvBenEo8" class="urlextern" title="https://www.youtube.com/watch?v=et7XvBenEo8" rel="ugc nofollow">Solving the three-body problem (16m)</a><a href="https://www.youtube.com/watch?v=8Are9dDbW24" class="urlextern" title="https://www.youtube.com/watch?v=8Are9dDbW24" rel="ugc nofollow">Large and small views (3m)</a> . <a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250219" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250219" rel="ugc nofollow">chat messages</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row7">
		<td class="col0">February 26, 2025</td><td class="col1">Curated interesting video shorts, including Hossenfelder & Veritasium. Videos presented and discussed: 
<a href="https://www.youtube.com/watch?v=P_fHJIYENdI" class="urlextern" title="https://www.youtube.com/watch?v=P_fHJIYENdI" rel="ugc nofollow">(25m) What if all the world's biggest problems have the same solution? (Vertasium)</a> 
<a href="https://youtu.be/BNJEOTouhvs" class="urlextern" title="https://youtu.be/BNJEOTouhvs" rel="ugc nofollow">(7m) What Everyone Gets Wrong about AI (Hossenfelder)</a> 
<a href="https://www.youtube.com/watch?v=70vYj1KPyT4" class="urlextern" title="https://www.youtube.com/watch?v=70vYj1KPyT4" rel="ugc nofollow">(35m) The problem with Sabine Hossenfelder</a> 
<a href="/doku.php?id=lctgmeetingsummary20250226" class="wikilink1" title="lctgmeetingsummary20250226" data-wiki-id="lctgmeetingsummary20250226">Meeting Summary</a> . <a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250226" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250226" rel="ugc nofollow">chat messages</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row8">
		<td class="col0">March 5, 2025</td><td class="col1">GASP planning session</td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row9">
		<td class="col0">March 12, 2025</td><td class="col1">Brian Greene day. We saw: 
<a href="/lib/exe/fetch.php?media=lctg:20250312-wsf-brian-greene.pdf" class="media mediafile mf_pdf" title="lctg:20250312-wsf-brian-greene.pdf (1.2 MB)">Intro slides</a> 
<a href="https://www.youtube.com/watch?v=NZcEFjEANnI" class="urlextern" title="https://www.youtube.com/watch?v=NZcEFjEANnI" rel="ugc nofollow">Code to Cure: AI and the Future of Health</a> 
<a href="https://www.youtube.com/watch?v=4VrLQXR7mKU" class="urlextern" title="https://www.youtube.com/watch?v=4VrLQXR7mKU" rel="ugc nofollow">I Am Not a Robot:2025 Academy Award Winner</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row10">
		<td class="col0">March 19, 2025</td><td class="col1">Videos we viewed: <a href="https://youtu.be/dXUX6dv2_Yo?si=NLx7sxedCiHQkKWT" class="urlextern" title="https://youtu.be/dXUX6dv2_Yo?si=NLx7sxedCiHQkKWT" rel="ugc nofollow">3D Houses 60 Minutes (22m))</a><a href="https://youtu.be/GI-dLmQBqaM?si=tZHd7OkrBjn00spQ" class="urlextern" title="https://youtu.be/GI-dLmQBqaM?si=tZHd7OkrBjn00spQ" rel="ugc nofollow">11 Lies about printing houses (15m)</a> 
<a href="https://youtu.be/20jovj6IHcw?si=f1AooZz2RLUfa5-1" class="urlextern" title="https://youtu.be/20jovj6IHcw?si=f1AooZz2RLUfa5-1" rel="ugc nofollow">Printing Cheap Clay Houses(4m)</a><a href="https://www.youtube.com/watch?v=YhAwPFIUF_4" class="urlextern" title="https://www.youtube.com/watch?v=YhAwPFIUF_4" rel="ugc nofollow">Why 3D Printing Buildings Leads to Problems (16m)</a> 
<a href="https://www.youtube.com/watch?v=8Qi00nO3thA" class="urlextern" title="https://www.youtube.com/watch?v=8Qi00nO3thA" rel="ugc nofollow">How Cement is Made (7.5m)</a><a href="https://youtu.be/XTkhGPG634E?si=V4icmnDOukNVeO60" class="urlextern" title="https://youtu.be/XTkhGPG634E?si=V4icmnDOukNVeO60" rel="ugc nofollow">CBS News on printing homes after a disaster (2m)</a> 
 Other videos on the topic we did not view: <a href="https://www.youtube.com/watch?v=obnhUcetrIo" class="urlextern" title="https://www.youtube.com/watch?v=obnhUcetrIo" rel="ugc nofollow">Larry Sass TED (19m)</a><a href="https://www.youtube.com/watch?v=vL2KoMNzGTo" class="urlextern" title="https://www.youtube.com/watch?v=vL2KoMNzGTo" rel="ugc nofollow">How Concrete Homes Are Built with a 3D Printer (6m)</a> 
<a href="https://www.youtube.com/watch?v=5IxVPpkkWXI" class="urlextern" title="https://www.youtube.com/watch?v=5IxVPpkkWXI" rel="ugc nofollow">3D Printed Concrete House, Printed in 48 hours (3m)</a><a href="https://www.youtube.com/watch?v=LVNZbl8in_Q" class="urlextern" title="https://www.youtube.com/watch?v=LVNZbl8in_Q" rel="ugc nofollow">Move In Ready 3D Printed House in Germany (11m)</a> 
<a href="https://www.youtube.com/watch?v=qG7KMjV8zMk" class="urlextern" title="https://www.youtube.com/watch?v=qG7KMjV8zMk" rel="ugc nofollow">Inside a 3D Printed House That's Actually (kind of) Affordable (9m)</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row11">
		<td class="col0">March 26, 2025</td><td class="col1">Potpourri 
 Asteroid Risks (John Rudy) <a href="/lib/exe/fetch.php?media=lctg:20250326_asteroid_risk.pdf" class="media mediafile mf_pdf" title="lctg:20250326_asteroid_risk.pdf (748.5 KB)">slides</a> 
 Gamota's suggested astronomy videos <a href="https://www.youtube.com/watch?v=eZBNJkx3Tjs" class="urlextern" title="https://www.youtube.com/watch?v=eZBNJkx3Tjs" rel="ugc nofollow">What's beyond the observable universe?</a><a href="https://www.youtube.com/watch?v=FO8RXsIHBS0" class="urlextern" title="https://www.youtube.com/watch?v=FO8RXsIHBS0" rel="ugc nofollow">Breakthrough cosmic filament connecting galaxies finally detected</a> plus 
<a href="https://youtu.be/IQJL3htsDyQ?si=1hEHNNrQD_RzUaNQ" class="urlextern" title="https://youtu.be/IQJL3htsDyQ?si=1hEHNNrQD_RzUaNQ" rel="ugc nofollow">Can you fool a self-driving car? (Yes you can fool some.)</a> 
<a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250326" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250326" rel="ugc nofollow">chat messages</a><a href="/doku.php?id=lctgmeetingsummary20250326" class="wikilink1" title="lctgmeetingsummary20250326" data-wiki-id="lctgmeetingsummary20250326">Meeting Summary</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row12">
		<td class="col0">April 2, 2025</td><td class="col1">Listen up: Hearing Aids - The Newest Technology Available Now (Gamota). 
<a href="/lib/exe/fetch.php?media=lctg:20250402_hearing_aids.pdf" class="media mediafile mf_pdf" title="lctg:20250402_hearing_aids.pdf (1.8 MB)">slides</a> <a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250402" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250402" rel="ugc nofollow">chat messages</a><a href="/doku.php?id=lctgmeetingsummary20250402" class="wikilink1" title="lctgmeetingsummary20250402" data-wiki-id="lctgmeetingsummary20250402">Meeting Summary</a><a href="https://youtu.be/6UgJoZYEVG4" class="urlextern" title="https://youtu.be/6UgJoZYEVG4" rel="ugc nofollow">watch the presentation</a> 
 Videos we viewed in the presentation: 
<a href="https://www.youtube.com/watch?v=VPWEp_VxFTQ" class="urlextern" title="https://www.youtube.com/watch?v=VPWEp_VxFTQ" rel="ugc nofollow">Hearing Aid Types and How to choose</a> 
<a href="https://www.youtube.com/watch?v=4ajwIuVz1Oc" class="urlextern" title="https://www.youtube.com/watch?v=4ajwIuVz1Oc" rel="ugc nofollow">Dr. Cliff: How to Decide Which Hearing Aid Technology Level is Right for You</a> 
<a href="https://www.youtube.com/watch?v=v4vhgWbEoVY" class="urlextern" title="https://www.youtube.com/watch?v=v4vhgWbEoVY" rel="ugc nofollow">Costco's Best Hearing Aids 2025</a> 
<a href="https://www.youtube.com/watch?v=NsIEOSiMyRo" class="urlextern" title="https://www.youtube.com/watch?v=NsIEOSiMyRo" rel="ugc nofollow">After 2 Years of Reviews: My Top 3 OTC Hearing Aids 2024</a> 
 didn't have time to show: 
 Use of Gimbels - gyros in Hearing Aids 
<a href="https://www.youtube.com/watch?v=OUHCdlnQekU" class="urlextern" title="https://www.youtube.com/watch?v=OUHCdlnQekU" rel="ugc nofollow">Hearing Aid Bluetooth LE Audio Explained</a> 
<a href="https://www.youtube.com/watch?v=7SXJ6xIUkfc" class="urlextern" title="https://www.youtube.com/watch?v=7SXJ6xIUkfc" rel="ugc nofollow">Auracast Bluetooth for Hearing aids, everything you need to know explanation</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row13">
		<td class="col0">April 9, 2025</td><td class="col1">Electrified mobility and its effect on the town. Popular models, price trends, accessibility benefits, and safety risks. Discuss the adoption of e-bikes and scooters in town over the past couple years and its impact (e.g. proposals for a formal speed limit on the commuter bikeway, debates over the creation of dedicated / mixed use paths when redesigning local roads). (Rich Moffitt suggests) 
<a href="/lib/exe/fetch.php?media=lctg:20250409_electric_micromobility_overview_2025.pdf" class="media mediafile mf_pdf" title="lctg:20250409_electric_micromobility_overview_2025.pdf (15.6 MB)">slides</a> <a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250409" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250409" rel="ugc nofollow">chat messages</a><a href="/doku.php?id=lctgmeetingsummary20250409" class="wikilink1" title="lctgmeetingsummary20250409" data-wiki-id="lctgmeetingsummary20250409">Meeting Summary</a> 
 * Why are people talking about "micromobility" now? 
 * What are e-bike classes (1, 2, 3) and what are the tradeoffs / restrictions? 
 * What's the risk of battery fires on these things and how can I manage the risks? 
 * Why are they popular now? (mainly because motor costs have come way down and reliability has gone up, see video of hub motor production: E-Bike Hub Motor Factory Tour in China ELECTRICBIKE.COM ) 
 * Is it feasible to DIY build (sometimes, with considerations)</td><td class="col2"> </td><td class="col3">Rich Moffitt</td>
	</tr>
	<tr class="row14">
		<td class="col0">April 16, 2025</td><td class="col1"><a href="https://www.dailymotion.com/video/x579m0o" class="urlextern" title="https://www.dailymotion.com/video/x579m0o" rel="ugc nofollow">The Entire Universe - BBC, History of Universe</a> 
<a href="https://www.youtube.com/watch?v=Vi039BihSAk&t" class="urlextern" title="https://www.youtube.com/watch?v=Vi039BihSAk&t" rel="ugc nofollow">Philomena Cunk vs Prof Brian Cox</a></td><td class="col2"> </td><td class="col3">Ted</td>
	</tr>
	<tr class="row15">
		<td class="col0">April 23, 2025</td><td class="col1">Potpourri, including 
 Portable Software (Drew) 
 Protopage, 1TB 1GB/s Thumb drive, BackMarket, CamelCamelCamel.com, UptimeRobot, and Free Movies online no login no fees (SteveI) 
<a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250423" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250423" rel="ugc nofollow">chat messages</a><a href="/doku.php?id=lctgmeetingsummary20250423" class="wikilink1" title="lctgmeetingsummary20250423" data-wiki-id="lctgmeetingsummary20250423">Meeting Summary, with links to mentioned apps</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row16">
		<td class="col0">April 30, 2025</td><td class="col1">Lexington's 250 Drone Show: How They Pulled It Off (What goes into producing a fantastic drone show) <a href="/doku.php?id=lctgmeetingsummary20250430" class="wikilink1" title="lctgmeetingsummary20250430" data-wiki-id="lctgmeetingsummary20250430">Meeting Summary</a><a href="https://tinyurl.com/HF-Lex250DroneShow" class="urlextern" title="https://tinyurl.com/HF-Lex250DroneShow" rel="ugc nofollow">Slides: click on slideshow button</a><a href="https://tinyurl.com/HF-ILHist" class="urlextern" title="https://tinyurl.com/HF-ILHist" rel="ugc nofollow">The paper</a><a href="https://youtu.be/5J3lndzCmcQ" class="urlextern" title="https://youtu.be/5J3lndzCmcQ" rel="ugc nofollow">Watch the presentation</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row17">
		<td class="col0">May 7, 2025</td><td class="col1">Heat pumps in Lexington – trends and options, pitfalls to watch out for. (Moffitt) <a href="/doku.php?id=lctgmeetingsummary20250507" class="wikilink1" title="lctgmeetingsummary20250507" data-wiki-id="lctgmeetingsummary20250507">Meeting Summary</a><a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250507" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250507" rel="ugc nofollow">chat messages</a><a href="https://youtu.be/BfjNFH91BcA" class="urlextern" title="https://youtu.be/BfjNFH91BcA" rel="ugc nofollow">watch the presentation</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row18">
		<td class="col0">May 14, 2025</td><td class="col1">Space Junk and How To Manage It - EU's Space Claw (Bob) <a href="/lib/exe/fetch.php?media=lctg:20250514_videos_notes.pdf" class="media mediafile mf_pdf" title="lctg:20250514_videos_notes.pdf (20.9 KB)">Meeting Notes with video links</a> <a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250514" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250514" rel="ugc nofollow">chat messages</a><a href="/doku.php?id=lctgmeetingsummary20250514" class="wikilink1" title="lctgmeetingsummary20250514" data-wiki-id="lctgmeetingsummary20250514">Meeting Summary</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row19">
		<td class="col0">May 21, 2025</td><td class="col1"><a href="https://www.youtube.com/watch?v=uY-u1qyRM5w" class="urlextern" title="https://www.youtube.com/watch?v=uY-u1qyRM5w" rel="ugc nofollow">(1h18m) Richard Feynman Lecture -- "Los Alamos From Below"</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row20">
		<td class="col0">May 28, 2025</td><td class="col1">Potpourri, including: 
 Space Junk part 2 (~30m) 
 Extend your display (Drew) 
 What did China see on the other side of the moon? <a href="https://www.youtube.com/watch?v=TY9dnrbQano" class="urlextern" title="https://www.youtube.com/watch?v=TY9dnrbQano" rel="ugc nofollow">link</a><a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250528" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250528" rel="ugc nofollow">chat messages</a><a href="/doku.php?id=lctgmeetingsummary20250528" class="wikilink1" title="lctgmeetingsummary20250528" data-wiki-id="lctgmeetingsummary20250528">Meeting Summary</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row21">
		<td class="col0">June 4, 2025</td><td class="col1">Selected Nobel Prizes in Medicine <a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250604" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250604" rel="ugc nofollow">chat messages</a> . <a href="/doku.php?id=lctgmeetingsummary20250604" class="wikilink1" title="lctgmeetingsummary20250604" data-wiki-id="lctgmeetingsummary20250604">Meeting Summary</a><a href="https://youtu.be/UWmmi-7GGDE" class="urlextern" title="https://youtu.be/UWmmi-7GGDE" rel="ugc nofollow">watch the presentation; captions available</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row22">
		<td class="col0">June 11, 2025</td><td class="col1">Comparison of the most popular AI engines. Which is best for this or that. <a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250611" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250611" rel="ugc nofollow">chat messages</a> . <a href="/doku.php?id=lctgmeetingsummary20250611" class="wikilink1" title="lctgmeetingsummary20250611" data-wiki-id="lctgmeetingsummary20250611">Meeting Summary</a><a href="https://youtu.be/mHOBilf1tc4" class="urlextern" title="https://youtu.be/mHOBilf1tc4" rel="ugc nofollow">watch the Beyond Generative presentation</a><a href="https://docs.google.com/presentation/d/e/2PACX-1vT0fDOC-DHuGFxVe3eE8wepmJjnnAlCZCfvU5a5aHpknsQBYwUHbH-E2xbqNjmsXZ5mOwGpod8JMFU3/pub?start=false&loop=false&delayms=3000" class="urlextern" title="https://docs.google.com/presentation/d/e/2PACX-1vT0fDOC-DHuGFxVe3eE8wepmJjnnAlCZCfvU5a5aHpknsQBYwUHbH-E2xbqNjmsXZ5mOwGpod8JMFU3/pub?start=false&loop=false&delayms=3000" rel="ugc nofollow">Beyond Generative slides</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row23">
		<td class="col0">June 18, 2025</td><td class="col1">GASP Planning session <a href="/doku.php?id=lctgmeetingsummary20250618" class="wikilink1" title="lctgmeetingsummary20250618" data-wiki-id="lctgmeetingsummary20250618">Meeting summary</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row24">
		<td class="col0">June 25, 2025</td><td class="col1">Fusion Update <a href="/doku.php?id=lctgmeetingsummary20250625" class="wikilink1" title="lctgmeetingsummary20250625" data-wiki-id="lctgmeetingsummary20250625">Meeting Summary</a><a href="https://youtu.be/XHbYfvd9y6w" class="urlextern" title="https://youtu.be/XHbYfvd9y6w" rel="ugc nofollow">watch the presentation</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row25">
		<td class="col0">July 2, 2025</td><td class="col1">Oliver Marsh: Crack growth and iceberg formation on a dynamic ice shelf. (Oliver is a glaciologist with the British Antarctic Survey) Abstract: Ice shelves around Antarctica are critical to slowing the rate of sea level rise. This talk addresses new technology used to monitor cracks in ice shelves during polar winter, including GNSS precise point positioning, and ground-based and satellite radar systems. Three major iceberg calving events have occurred on the Brunt Ice Shelf since 2021, with new high-precision data used to inform models of fracture propagation and ice shelf stability. <a href="/doku.php?id=lctgmeetingsummary20250702" class="wikilink1" title="lctgmeetingsummary20250702" data-wiki-id="lctgmeetingsummary20250702">Meeting Summary</a> . <a href="https://youtu.be/kipMl3DG-U" class="urlextern" title="https://youtu.be/kipMl3DG-U" rel="ugc nofollow">watch the presentation</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row26">
		<td class="col0">July 9, 2025</td><td class="col1">History of Space Travel: Venus and Mars<a href="https://www.youtube.com/watch?v=PlBzMx2On-g" class="urlextern" title="https://www.youtube.com/watch?v=PlBzMx2On-g" rel="ugc nofollow">Complete History of Space Exploration Beyond Our Earth</a><a href="https://www.youtube.com/watch?v=kvfa-6Pr36w" class="urlextern" title="https://www.youtube.com/watch?v=kvfa-6Pr36w" rel="ugc nofollow">5 Fascinating Missions in Space</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row27">
		<td class="col0">July 16, 2025</td><td class="col1">Drones. The background of drones and the technology behind them; Using drones in photography and examples of image <a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250716" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250716" rel="ugc nofollow">chat messages</a> . <a href="/doku.php?id=lctgmeetingsummary20250716" class="wikilink1" title="lctgmeetingsummary20250716" data-wiki-id="lctgmeetingsummary20250716">Meeting Summary</a> . <a href="https://youtu.be/mBj1dtp5WX0" class="urlextern" title="https://youtu.be/mBj1dtp5WX0" rel="ugc nofollow">watch the presentation</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row28">
		<td class="col0">July 23, 2025</td><td class="col1">Basics of Very Long Baseline Interferometry (VLBI) Radio Telescopes used in imaging black holes <a href="/doku.php?id=lctgmeetingsummary20250723" class="wikilink1" title="lctgmeetingsummary20250723" data-wiki-id="lctgmeetingsummary20250723">Meeting Summary</a> . <a href="/doku.php?id=lctg_speaker_schedule" class="wikilink1" title="lctg_speaker_schedule" data-wiki-id="lctg_speaker_schedule">watch the presentation - not ready yet</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row29">
		<td class="col0">July 30, 2025</td><td class="col1"><a href="https://youtu.be/KrDdc_pSQGo?t=102" class="urlextern" title="https://youtu.be/KrDdc_pSQGo?t=102" rel="ugc nofollow">(59m) A Hackers Mind: How the Powerful Bend Society's Rules and How to Bend Them Back</a> (Bruce Schneier) a Harvard Science Book Talk Series Lecture <a href="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250730" class="urlextern" title="https://wiki.toku.us/doku.php?id=2025lctgmeetingchats#section20250730" rel="ugc nofollow">chat messages</a></td><td class="col2"> </td><td class="col3"> </td>
	</tr>
	<tr class="row30">
		<td class="col0"> </td><td class="col1"> </td><td class="col2"> </td><td class="col3"> </td>
	</tr>
</table>
 
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