<div dir="ltr">All,<div>Note: This is not an early April 1 story</div><div><br></div><div>Physicsworld reports the following:</div><div><br></div><div><div class="gmail-single-header gmail-single-sponsored-header" style="box-sizing:border-box;margin-bottom:0px;color:rgb(51,51,51);font-family:franklin-gothic-urw,Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:medium"><h1 class="gmail-single-header__heading" style="box-sizing:border-box;font-size:28px;margin:0px 0px 1px;font-weight:400;font-family:franklin-gothic-urw-cond,"Arial Narrow",Arial,sans-serif">Timber! Japan launches world’s first wooden satellite into space</h1><div class="gmail-single-header__meta" style="box-sizing:border-box;color:rgb(0,0,0);font-size:14px;margin:5px 0px 10px">05 Nov 2024 <a href="https://physicsworld.com/author/michael-banks/" style="box-sizing:border-box;background-color:transparent;margin:0px;text-decoration-line:none;color:rgb(0,79,153)">Michael Banks</a></div></div><div class="entry-content" style="box-sizing:border-box"><a href="https://physicsworld.com/wp-content/uploads/2024/11/SpaceXlaunch_4-November.jpg" style="color:rgb(0,79,153);font-family:franklin-gothic-urw,Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:medium;box-sizing:border-box;background-color:transparent;margin:0px;text-decoration-line:none"><img src="https://physicsworld.com/wp-content/uploads/2024/11/SpaceXlaunch_4-November-635x423.jpg" alt="SpaceX Falcon 9 launch" title="SpaceXlaunch_4 November" width="583" height="388" style="box-sizing: border-box; border: 0px; margin-top: 0px; margin-right: 0px;"></a><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Wood you believe it: LignoSat2 is made from magnolia and was launched yesterday aboard a Falcon9 rocket to the International Space Station (courtesy: NASA)<a href="https://physicsworld.com/a/timber-japan-launches-worlds-first-wooden-satellite-into-space/Researchers">https://physicsworld.com/a/timber-japan-launches-worlds-first-wooden-satellite-into-space/Researchers</a> in Japan have launched the world’s first wooden satellite to test the feasibility of using timber in space. Dubbed LignoSat2, the small “cubesat” was developed by Kyoto University and the logging firm Sumitomo Forestry. It was launched on 4 November to the International Space Station (ISS) from the Kennedy Space Center in Florida by a SpaceX Falcon 9 rocket...</blockquote><font size="3" style="color:rgb(51,51,51);font-family:franklin-gothic-urw,Arial,"Helvetica Neue",Helvetica,sans-serif"><img src="cid:ii_m34w10pw0" alt="image.png" width="472" height="284"></font></div><div class="entry-content" style="box-sizing:border-box">Crédit : Kyoto University / @spaceKUwood sur X  <p style="color:rgb(51,51,51);font-family:franklin-gothic-urw,Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:16px;box-sizing:border-box;line-height:24px"><span style="color:rgb(0,0,0);font-family:Poppins,Roboto,sans-serif;font-size:13px;text-align:center">via</span></p><h1 class="gmail-g1-mega gmail-g1-mega-1st entry-title" style="margin:0px 0px 20px;padding:0px;border-width:0px;border-style:solid;outline:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:1.067;font-family:Poppins,Roboto,sans-serif;vertical-align:baseline;background:0px 0px;letter-spacing:-0.05em"><font size="4">Pourquoi le Japon va-t-il lancer le tout premier satellite en bois de l’histoire ?</font></h1><p class="gmail-g1-meta gmail-g1-meta-m entry-meta entry-meta-m" style="font-size:15px;margin:0px 0px 10px;padding:0px;border-width:0px;border-style:solid;outline:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;line-height:18px;font-family:Poppins,Roboto,sans-serif;vertical-align:baseline;background:0px 0px;display:flex"><span class="entry-byline entry-byline-m" style="margin:0px 0px 4px;padding:0px;border-width:0px;border-style:solid;outline:0px;vertical-align:baseline;background:0px 0px"><span class="entry-author" style="margin:0px 10px 0px 0px;padding:0px;border-width:0px;border-style:solid;outline:0px;vertical-align:baseline;background:0px 0px;display:block"><span class="entry-meta-label" style="margin:0px;padding:0px;border-width:0px;border-style:solid;outline:0px;vertical-align:baseline;background:0px 0px;color:rgb(0,0,0)">par</span> <a href="https://sciencepost.fr/author/yohan/" title="Posts by Yohan Demeure, expert géographe" rel="author" style="text-decoration-line:none;border-width:0px;border-style:solid"><span style="margin:0px;padding:0px;border-width:0px;border-style:solid;outline:0px;vertical-align:baseline;background:0px 0px;font-weight:600">Yohan Demeure, expert géographe</span></a></span>1 mars 2024, 16 h 25 min</span><span class="entry-stats entry-stats-m" style="margin:0px 0px 0.25rem;padding:2px 10px 2px 0px;border-width:0px;border-style:solid;outline:0px;vertical-align:baseline;background:0px 0px;display:inline-block;clear:both"></span></p><div class="entry-featured-media entry-featured-media-main" style="margin:0px auto 1.5rem;padding:0px;border-width:0px;border-style:solid;outline:0px;vertical-align:baseline;background-image:initial;background-position:0px 0px;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><div class="gmail-g1-frame" style="color:rgb(51,51,51);font-family:Roboto,sans-serif;font-size:14px;margin:0px;padding:0px;border-width:0px;border-style:solid;outline:0px;vertical-align:baseline;background-image:initial;background-position:0px 0px;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><div class="gmail-g1-frame-inner" style="margin:0px;padding:0px;border-width:0px;border-style:solid;outline:0px;vertical-align:baseline;background:0px 0px;overflow:visible;width:758px"><div class="gmail-st-placement gmail-standard_5 gmail-inImage" id="gmail-standard_5" style="direction:ltr"><div class="gmail-st-adunit gmail-st-adunit-tagged gmail-st-reset gmail-st-show" style="color:initial;font:initial;font-synthesis:initial;text-orientation:initial;writing-mode:initial;zoom:initial;background:initial;background-blend-mode:initial;border:initial;border-radius:initial;border-collapse:initial;box-sizing:initial;break-after:initial;break-before:initial;break-inside:initial;caption-side:initial;clear:initial;columns:initial;column-fill:initial;column-rule:initial;column-span:initial;display:initial;empty-cells:initial;float:initial;height:0px;image-orientation:initial;isolation:initial;letter-spacing:initial;line-break:initial;list-style:initial;margin:initial;min-height:initial;min-width:initial;mix-blend-mode:initial;object-fit:initial;object-position:initial;opacity:initial;outline:initial;overflow:initial;padding:initial;quotes:initial;speak:initial;table-layout:initial;text-align:initial;text-align-last:initial;text-combine-upright:initial;text-decoration-line:initial;text-emphasis:initial;text-indent:initial;text-overflow:initial;text-transform:initial;text-underline-position:initial;vertical-align:initial;border-spacing:initial;width:0px;word-break:initial;word-spacing:initial;max-height:unset;max-width:unset"></div></div><img width="384" height="261" src="https://sciencepost.fr/wp-content/uploads/2024/03/LignoSat2-bois-satellite-2-758x516.png" class="gmail-attachment-bimber-grid-2of3 gmail-size-bimber-grid-2of3 gmail-wp-post-image" alt="LignoSat2 bois satellite 2" style="margin: 0px; padding: 0px; border-width: 0px; border-style: solid; outline: 0px; vertical-align: baseline; background: 0px 0px; display: block;"></div></div>Crédits : Kyoto University</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Il y a quelques mois, l’Agence d’exploration aérospatiale japonaise (JAXA) avait annoncé vouloir placer sur orbite un satellite en bois, une première. Cette innovation a un objectif, à savoir réduire la pollution spatiale. Comment le concept fonctionne-t-il ?</blockquote><p style="color:rgb(51,51,51);font-family:franklin-gothic-urw,Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:16px;box-sizing:border-box;line-height:24px"><a href="https://sciencepost.fr/japon-lancement-premier-satellite-en-bois-histoire/">https://sciencepost.fr/japon-lancement-premier-satellite-en-bois-histoire/</a><span style="color:rgb(0,0,0);font-family:Poppins,Roboto,sans-serif;font-size:13px;text-align:center"></span></p><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote">Given the lack of water and oxygen in space, wood is potentially more durable in orbit than it is on Earth where it can rot or burn. This makes it an attractive and sustainable alternative to metals such as aluminium that can create aluminium oxide particles during re-entry into the Earth’s atmosphere.</blockquote><span class="gmail-mpu gmail-align-right" aria-hidden="true" style="color:rgb(51,51,51);font-family:franklin-gothic-urw,Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:medium;box-sizing:border-box;display:inline-block;margin:0px 0px 10px 10px;max-width:300px;float:right"><div id="gmail-div-gpt-ad-3759129-1" class="gmail-advert" style="box-sizing:border-box"><div id="gmail-google_ads_iframe_/21821800277/pw/pw_m_ap_0__container__" style="box-sizing:border-box;border:0pt none"></div></div></span><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote">Work began on LignoSat in 2020 and in 2022 scientists at Kyoto sent samples of cherry, birch and magnolia wood to the ISS where the materials were exposed to the harsh environment of space for 240 days to test their durability.</blockquote><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote">While each specimen performed well with no clear deformation , the researchers settled on building LignoSat from magnolia – or Hoonoki in Japanese. This type of wood has traditionally been used for sword sheaths and is known for its strength and stability.</blockquote><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote">LignoSat2 is made without screws of glue and is equipped with external solar panels and encased in an aluminium frame. Next month the satellite is expected to be deployed in orbit around the Earth for about six months to measure how the wood withstands the environment and how well it protects the chips inside the satellite from cosmic radiation.</blockquote><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote">Data will be collected on the wood’s expansion and contraction, the internal temperature and the performance of the electronic components inside.</blockquote><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote">Researchers are hopeful that if LignoSat is successful it could pave the way for satellites to be made from wood. This would be more environmentally friendly given that the satellites would simply burn up when it re-enters the atmosphere at the end of its lifetime.</blockquote><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote">“With timber, a material we can produce by ourselves, we will be able to build houses, live and work in space forever,” astronaut Takao Doi who studies human space activities at Kyoto University told <em style="box-sizing:border-box"><a href="https://www.reuters.com/technology/space/worlds-first-wooden-satellite-developed-japan-heads-space-2024-11-05/" style="box-sizing:border-box;background-color:transparent;margin:0px;border-bottom:0.0625rem solid rgb(220,220,220);text-decoration-line:none;color:rgb(0,79,153)">Reuters</a></em>......</blockquote><p style="color:rgb(51,51,51);font-family:franklin-gothic-urw,Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:16px;box-sizing:border-box;line-height:24px;margin:20px 0px 24px">Next Gen ISS ---- Why not built out of "Lincoln Logs"</p><div class="gmail-mw-heading gmail-mw-heading2" style="margin:0.25em 0px;padding-top:0.5em;padding-bottom:0.17em;display:flow-root;word-break:break-word;font-size:1.5em;font-family:"Linux Libertine",Georgia,Times,"Source Serif Pro",serif;line-height:1.375"><h2 style="color:inherit;font-weight:inherit;margin:0px 0px 0.25em;padding:0px;display:inline;word-break:break-word;border:0px;font-size:inherit;font-style:inherit;font-variant:inherit;font-stretch:inherit;line-height:1.375;font-size-adjust:inherit;font-kerning:inherit;font-feature-settings:inherit">Who knew that there was a Japan connection?</h2></div><div class="gmail-mw-heading gmail-mw-heading2" style="margin:0.25em 0px;padding-top:0.5em;padding-bottom:0.17em;display:flow-root;word-break:break-word;font-size:1.5em;font-family:"Linux Libertine",Georgia,Times,"Source Serif Pro",serif;line-height:1.375">from the Wikipedia article</div><div class="gmail-mw-heading gmail-mw-heading2" style="margin:0.25em 0px;padding-top:0.5em;padding-bottom:0.17em;display:flow-root;word-break:break-word;font-size:1.5em;font-family:"Linux Libertine",Georgia,Times,"Source Serif Pro",serif;line-height:1.375"><h2 id="gmail-History" style="color:inherit;font-weight:inherit;margin:0px 0px 0.25em;padding:0px;display:inline;word-break:break-word;border:0px;font-size:inherit;font-style:inherit;font-variant:inherit;font-stretch:inherit;line-height:1.375;font-size-adjust:inherit;font-kerning:inherit;font-feature-settings:inherit">History</h2><span class="gmail-mw-editsection" style="font-size:small;margin-left:1em;margin-right:0px;vertical-align:baseline;line-height:0;unicode-bidi:isolate;font-family:sans-serif"><span class="gmail-mw-editsection-bracket" style="margin-right:0.25em">[</span><a href="https://en.wikipedia.org/w/index.php?title=Lincoln_Logs&action=edit&section=2" title="Edit section: History" style="text-decoration-line:none;background:none;border-radius:2px">edit</a><span class="gmail-mw-editsection-bracket" style="margin-left:0.25em">]</span></span></div><a href="https://en.wikipedia.org/wiki/File:US1351086-Figure_1.png" class="gmail-mw-file-description" style="text-decoration-line:none;background:none;border-radius:2px;display:block;border:0px"><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/d/d8/US1351086-Figure_1.png/220px-US1351086-Figure_1.png" width="220" height="164" class="gmail-mw-file-element" style="vertical-align: middle; margin: 3px; height: auto;"></a>Patent drawing<p style="margin:0.5em 0px 1em;color:rgb(32,33,34);font-family:sans-serif;font-size:16px">Lincoln Logs were invented sometime around 1916–1917 when John Lloyd Wright was working in Japan with his father.<sup id="gmail-cite_ref-Carlisle_5-0" class="gmail-reference" style="line-height:1;unicode-bidi:isolate;font-size:12.8px"><a href="https://en.wikipedia.org/wiki/Lincoln_Logs#cite_note-Carlisle-5" style="text-decoration-line:none;background:none;border-radius:2px"><span class="gmail-cite-bracket" style="pointer-events: none;">[</span>5<span class="gmail-cite-bracket" style="pointer-events: none;">]</span></a></sup> The mold for the toy was based on the architecture of the <a href="https://en.wikipedia.org/wiki/Imperial_Hotel,_Tokyo" title="Imperial Hotel, Tokyo" style="text-decoration-line:none;background:none;border-radius:2px">Imperial Hotel</a> in <a href="https://en.wikipedia.org/wiki/Tokyo" title="Tokyo" style="text-decoration-line:none;background:none;border-radius:2px">Tokyo</a>, designed by the inventor's father. The foundation of the hotel was designed with interlocking log beams, which made the structure "earthquake-proof" and one of the few buildings to remain standing after the 1923 <a href="https://en.wikipedia.org/wiki/1923_Great_Kant%C5%8D_earthquake" title="1923 Great Kantō earthquake" style="text-decoration-line:none;background:none;border-radius:2px">Great Kanto Earthquake</a> that crumbled Tokyo.<sup id="gmail-cite_ref-6" class="gmail-reference" style="line-height:1;unicode-bidi:isolate;font-size:12.8px"><a href="https://en.wikipedia.org/wiki/Lincoln_Logs#cite_note-6" style="text-decoration-line:none;background:none;border-radius:2px"><span class="gmail-cite-bracket" style="pointer-events: none;">[</span>6<span class="gmail-cite-bracket" style="pointer-events: none;">]</span></a></sup></p><p style="margin:0.5em 0px 1em;color:rgb(32,33,34);font-family:sans-serif;font-size:16px">When he returned to the U.S., John organized The Red Square Toy Company (named after his father's famous symbol), and marketed the toy in 1918.<sup id="gmail-cite_ref-DoAB_7-0" class="gmail-reference" style="line-height:1;unicode-bidi:isolate;font-size:12.8px"><a href="https://en.wikipedia.org/wiki/Lincoln_Logs#cite_note-DoAB-7" style="text-decoration-line:none;background:none;border-radius:2px"><span class="gmail-cite-bracket" style="pointer-events: none;">[</span>7<span class="gmail-cite-bracket" style="pointer-events: none;">]</span></a></sup> Wright was issued U.S. patent 1,351,086<sup id="gmail-cite_ref-USPTO_8-0" class="gmail-reference" style="line-height:1;unicode-bidi:isolate;font-size:12.8px"><a href="https://en.wikipedia.org/wiki/Lincoln_Logs#cite_note-USPTO-8" style="text-decoration-line:none;background:none;border-radius:2px"><span class="gmail-cite-bracket" style="pointer-events: none;">[</span>8<span class="gmail-cite-bracket" style="pointer-events: none;">]</span></a></sup><sup id="gmail-cite_ref-9" class="gmail-reference" style="line-height:1;unicode-bidi:isolate;font-size:12.8px"><a href="https://en.wikipedia.org/wiki/Lincoln_Logs#cite_note-9" style="text-decoration-line:none;background:none;border-radius:2px"><span class="gmail-cite-bracket" style="pointer-events: none;">[</span>9<span class="gmail-cite-bracket" style="pointer-events: none;">]</span></a></sup> on August 31, 1920, for a "Toy-Cabin Construction". Soon after, he changed the name to J. L. Wright Manufacturing. The original Lincoln Log set came with instructions on how to build <a href="https://en.wikipedia.org/wiki/Uncle_Tom%27s_Cabin" title="Uncle Tom's Cabin" style="text-decoration-line:none;background:none;border-radius:2px">Uncle Tom's Cabin</a> as well as Abraham Lincoln's cabin. Subsequent sets were larger and more elaborate.<sup id="gmail-cite_ref-Loewen_2000_10-0" class="gmail-reference" style="line-height:1;unicode-bidi:isolate;font-size:12.8px"><a href="https://en.wikipedia.org/wiki/Lincoln_Logs#cite_note-Loewen_2000-10" style="text-decoration-line:none;background:none;border-radius:2px"><span class="gmail-cite-bracket" style="pointer-events: none;">[</span>10<span class="gmail-cite-bracket" style="pointer-events: none;">]</span></a></sup> The toy was a hit, following as it did <a href="https://en.wikipedia.org/wiki/Meccano" title="Meccano" style="text-decoration-line:none;background:none;border-radius:2px">Meccano</a>, <a href="https://en.wikipedia.org/wiki/Tinkertoy" title="Tinkertoy" style="text-decoration-line:none;background:none;border-radius:2px">Tinkertoys</a> and <a href="https://en.wikipedia.org/wiki/Erector_Set" title="Erector Set" style="text-decoration-line:none;background:none;border-radius:2px">Erector Set</a> introduced a few years before. Lincoln Logs are believed to be the first toy to be marketed to both boys and girls and appeal to a "simple" type of creativity.<sup id="gmail-cite_ref-11" class="gmail-reference" style="line-height:1;unicode-bidi:isolate;font-size:12.8px"><a href="https://en.wikipedia.org/wiki/Lincoln_Logs#cite_note-11" style="text-decoration-line:none;background:none;border-radius:2px"><span class="gmail-cite-bracket" style="pointer-events: none;">[</span>11<span class="gmail-cite-bracket" style="pointer-events: none;">]</span></a></sup></p><p style="color:rgb(51,51,51);font-family:franklin-gothic-urw,Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:16px;box-sizing:border-box;line-height:24px;margin:20px 0px 24px"><br></p><p style="color:rgb(51,51,51);font-family:franklin-gothic-urw,Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:16px;box-sizing:border-box;line-height:24px;margin:20px 0px 24px">Ted</p></div></div></div>