{"id":61866,"date":"2026-03-26T05:29:18","date_gmt":"2026-03-25T20:29:18","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=61866"},"modified":"2026-03-26T05:29:18","modified_gmt":"2026-03-25T20:29:18","slug":"say-goodbye-to-picnic-frustrations-the-physics-of-tiny-gaps-that-keeps-your-mat-grounded","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=61866&lang=en","title":{"rendered":"Say Goodbye to Picnic Frustrations! The Physics of Tiny Gaps That Keeps Your Mat Grounded"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>I&#8217;m Ken Kuwako, your Science Trainer. Every day is an experiment!<\/strong><\/span><\/p>\n<p>Hello, everyone! Have you ever had that &#8220;oh no!&#8221; moment during a picnic or a sports day? You spread out your leisure sheet, and a sudden gust of wind catches it, flipping the corners and sending sand right onto your lunch. It\u2019s a classic outdoor struggle, but did you know there is a brilliant way to solve this using the power of science?<\/p>\n<p>Today, I\u2019m going to put on my science teacher hat and break down the secret behind a viral life hack shared by the Tokyo Metropolitan Police Department: The Rubber Band Trick to keep your picnic mat grounded!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-61843 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.27.36.jpeg\" alt=\"\" width=\"344\" height=\"401\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.27.36.jpeg 1086w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.27.36-257x300.jpeg 257w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.27.36-878x1024.jpeg 878w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.27.36-768x895.jpeg 768w\" sizes=\"auto, (max-width: 344px) 100vw, 344px\" \/><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/x.com\/MPD_bousai\/status\/1151263471754866688?s=20\">https:\/\/x.com\/MPD_bousai\/status\/1151263471754866688?s=20<\/a><\/p>\n<blockquote><p>I tested a method to make leisure sheets less likely to blow away in the wind. Simply tie the four corners with rubber bands (about 6cm in). Then, tuck the tied parts and the edges of the sheet underneath before laying it down. It stayed put even in a light breeze! This is perfect for places where you can&#8217;t use pegs to secure the mat, so give it a try.<\/p><\/blockquote>\n<h3>The Invisible Battle Between Wind and Plastic<\/h3>\n<p>First, let\u2019s look at why these sheets fly away so easily. Take a look at this video:<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30ec\u30b8\u30e3\u30fc\u30b7\u30fc\u30c8\u304c\u98db\u3073\u306b\u304f\u3044\u306a\u308b\u88cf\u6280\u306b\u3064\u3044\u3066\u691c\u8a3c\u3057\u3066\u307f\u308b\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/BRLNNY_OcXM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>The edges of a leisure sheet are incredibly light, so even a tiny breeze can make them flutter. That small gap where the edge lifts up is the &#8220;point of no return.&#8221; Once wind gets underneath, it creates an angle that turns the air into a force pushing directly upward. To make matters even worse, once the sheet starts to lift, air vortices (swirls of air) form behind it. These vortices make the sheet flap violently and unpredictably.<\/p>\n<h3>Master the Corners, Master the Wind: The Magic of Rubber Bands<\/h3>\n<p>This is where the Police Department&#8217;s hack comes in: tying the four corners with rubber bands. It looks simple, but there is a surprisingly logical scientific principle at play. I tried it out myself!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-61845 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.47.02.jpeg\" alt=\"\" width=\"473\" height=\"388\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.47.02.jpeg 1320w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.47.02-300x246.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.47.02-1024x839.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.47.02-768x630.jpeg 768w\" sizes=\"auto, (max-width: 473px) 100vw, 473px\" \/><\/p>\n<p>By tightly bunching the corners with rubber bands, you are concentrating the material. This makes the most vulnerable parts of the sheet\u2014the corners\u2014locally heavier. In science terms, you are increasing the density to create greater inertia. These weighted corners want to stay on the ground due to gravity, effectively blocking that &#8220;initial lift&#8221; caused by the wind. It\u2019s like placing invisible little weights on every corner!<\/p>\n<h3>Fluid Dynamics: Closing the Gap<\/h3>\n<p>The second key step is tucking the edges inward to keep the sheet flush with the ground.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-61846 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.47.07.jpeg\" alt=\"\" width=\"435\" height=\"311\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.47.07.jpeg 1538w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.47.07-300x215.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.47.07-1024x732.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.47.07-768x549.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.47.07-1536x1099.jpeg 1536w\" sizes=\"auto, (max-width: 435px) 100vw, 435px\" \/><\/p>\n<p>By folding the edges under, you minimize the gap between the sheet and the ground, effectively shutting the door on the wind. Think of it like a racing car designed to hug the track by eliminating the space underneath. Without a gap, the wind can&#8217;t crawl under the sheet. Instead, the air flowing over the top can actually create a downward force, pressing the mat even more firmly against the earth.<\/p>\n<h3>Science Makes the Outdoors Even Better<\/h3>\n<p>Even if you don&#8217;t have heavy stones or tent pegs, just four rubber bands can turn the wind into your ally. This is the beauty of science hiding in our daily lives!<\/p>\n<p>Concentrated Gravity: Making the corners heavy with rubber bands.<\/p>\n<p>Air Blockade: Tucking edges to eliminate the gap.<\/p>\n<p>This powerful combination will protect your perfect picnic. Next time you head outdoors, make sure to tuck a few rubber bands into your bag!<\/p>\n<h3>Inquiries and Requests<\/h3>\n<p>I\u2019m dedicated to making the wonders of science accessible to everyone! I\u2019ve put together plenty of fun experiments you can try at home. Feel free to explore more!<\/p>\n<p>My science tips are now a book! Details <a href=\"https:\/\/amzn.to\/42PMCEL\">here<\/a>.<\/p>\n<p>Learn more about Ken Kuwako <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">here<\/a>.<\/p>\n<p>For requests (writing, speaking, workshops, TV supervision, etc.), click <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">here<\/a>.<\/p>\n<p>Get the latest updates on <a href=\"https:\/\/x.com\/kuwako\">X (formerly Twitter)<\/a>!<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.youtube.com\/user\/kkuwako\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35048\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a> Watch experiment videos on the <a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Science Lab Channel<\/a>!<\/p>\n<h3>\uff15\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p>\u30ad\u30fc\u30f3\u3068\u51b7\u3048\u308b\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\uff01\u6c17\u6e29\u304c\u4e0a\u304c\u3063\u3066\u304f\u308b\u3053\u306e\u6642\u671f\u30fb\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u3092\u4f7f\u3063\u305f\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\u306e\u5b9f\u9a13\u306f\u3044\u304b\u304c\uff1f<\/p>\r\n<p><img class=\"alignnone wp-image-39516 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg 1406w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-300x168.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-1024x572.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-768x429.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-320x180.jpg 320w\" alt=\"\" width=\"453\" height=\"253\" \/><\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=39513\">\u6db2\u4f53\u30bc\u30ed\uff01\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u304c\u6d88\u3048\u308b\u307e\u3067\u306e\uff13\u6642\u9593\u3092\u79d1\u5b66\u3059\u308b\uff08\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\uff09<\/a><\/p>\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u76e3\u4fee\u30fb\u30a4\u30d9\u30f3\u30c8\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n<li>4\u670830\u65e5\uff08\u6728\uff09\u300cTHE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306e<a href=\"https:\/\/phys-edu.net\/wp\/?p=62906\">\u79d1\u5b66\u76e3\u4fee\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\r\n<li>5\u67088\u65e5\uff08\u91d1\uff09<a href=\"https:\/\/phys-edu.net\/wp\/?p=62629\">\u7406\u79d1\u6559\u80b2\u30cb\u30e5\u30fc\u30b9<\/a>\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li>6\u670814\u65e5\uff08\u65e5\uff09\u3000\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n<li>6\u670826\u65e5\uff08\u91d1\uff09\u3000\u5343\u8449\u5927\u5b66\u306e\u516c\u958b\u7814\u7a76\u4f1a\uff08\u4e2d\u5b66\u7406\u79d1\u306b\u3064\u3044\u3066\u6388\u696d\u516c\u958b\u4e88\u5b9a\uff09<\/li>\r\n<li>7\u670818\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=60018\">\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u300c\u30ca\u30ea\u30ab\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\u300d\u306e\u8b1b\u5e2b\u3092\u3057\u307e\u3059<\/a>\u3002\u304a\u4f1a\u3044\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\r\n<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n<li>\u300e\u5927\u4eba\u306e\u305f\u3081\u306e\u9ad8\u6821\u7269\u7406\u5fa9\u7fd2\u5e33\u300f\uff08\u8b1b\u8ac7\u793e\uff09\u2026\u4e00\u822c\u5411\u3051\u306b\u65e5\u5e38\u306e\u7269\u7406\u306b\u3064\u3044\u3066\u516c\u5f0f\u3092\u5143\u306b\u7d10\u89e3\u304d\u307e\u3057\u305f\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=1827\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u3067\u306f\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u203b\u5897\u5237\u304c\u304b\u304b\u308a\uff16\u5237\u3068\u306a\u308a\u307e\u3057\u305f\uff082026\/02\/01\uff09<br \/><img class=\"alignnone wp-image-10940 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg\" sizes=\"(max-width: 220px) 100vw, 220px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg 311w\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-07-05 0.43.51\" width=\"220\" height=\"192\" \/><br \/><\/strong><\/li>\r\n<li>\u300e\u304d\u3081\u308b!\u5171\u901a\u30c6\u30b9\u30c8 \u7269\u7406\u57fa\u790e \u6539\u8a02\u7248\u300f\uff08\u5b66\u7814\uff09\u2026\u3000\u9ad8\u6821\u7269\u7406\u306e\u53c2\u8003\u66f8\u3067\u3059\u3002\u30a4\u30e9\u30b9\u30c8\u3092\u591a\u304f\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u63cf\u304d\u307e\u3057\u305f\u3002\u6388\u696d\u306b\u3064\u3044\u3066\u3044\u3051\u306a\u3044\u3001\u7269\u7406\u304c\u82e6\u624b\u3001\u305d\u3093\u306a\u751f\u5f92\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=45322\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u306f\u3053\u3061\u3089\u3002<br \/><img class=\"alignnone wp-image-45718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg\" sizes=\"(max-width: 184px) 100vw, 184px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg 756w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c-300x269.jpg 300w\" alt=\"\" width=\"184\" height=\"165\" \/><\/li>\r\n<\/ul>\r\n<h3><span style=\"text-align: center;\">\u5404\u7a2eSNS\uff08\u66f4\u65b0\u60c5\u5831\u3092\u304a\u5c4a\u3051\uff01\uff09<\/span><\/h3>\r\n<p style=\"text-align: center;\"><a style=\"text-align: center;\" href=\"https:\/\/twitter.com\/kuwako\">X(Twitter)<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.instagram.com\/science_seeds\/\">instagram<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.facebook.com\/kuwakolab\/\">Facebook<\/a>\uff08\u65e5\u672c\u8a9e\uff09<\/p>\r\n<p style=\"text-align: center;\"><a style=\"text-align: center;\" href=\"https:\/\/bsky.app\/profile\/kagakunoneta.bsky.social\">BlueSky<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.threads.net\/@science_seeds?hl=ja\">Threads<\/a>\uff08\u82f1\u8a9e\uff09<\/p>\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=30764\">\u697d\u3057\u3044\u5b9f\u9a13<\/a>\u2026\u304a\u5b50\u3055\u3093\u3068\u4e00\u7dd2\u306b\u5922\u4e2d\u306b\u306a\u308c\u308b\u30a4\u30c1\u30aa\u30b7\u306e\u79d1\u5b66\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u6821\u7269\u7406\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u52d5\u753b\u6559\u6750\u3082\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=798\">\u7406\u79d1\u306e\u6559\u6750<\/a>\u2026 \u7406\u79d1\u6559\u5e2b\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff01\u6388\u696d\u306e\u8cea\u3092\u9ad8\u3081\u3001\u6e96\u5099\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306e\u9078\u308a\u3059\u3050\u308a\u306e\u6559\u6750\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a 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href=\"http:\/\/phys-edu.net\/wp\/?page_id=37\">About<\/a>\u00a0\u2026\u300c\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u300d\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u3084\u3001\u904b\u55b6\u8005\u3067\u3042\u308b\u6851\u5b50\u7814\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u30fb\u60f3\u3044\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a> \u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>\r\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;m Ken Kuwako, your Science Trainer. Every day is an experiment! Hello, everyone! Have you ever had tha [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":61845,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","sns_share_botton_hide":"","vkExUnit_sns_title":"","vkexunit_cta_each_option":"","_lightning_design_setting":{"layout":"default"},"footnotes":""},"categories":[781],"tags":[],"class_list":["post-61866","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science-en"],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-03-25-20.47.02.jpeg","jetpack-related-posts":[{"id":58458,"url":"https:\/\/phys-edu.net\/wp\/?p=58458&lang=en","url_meta":{"origin":61866,"position":0},"title":"From the Edge of the Universe to Inside an Atom! The Legendary Film \u201cPowers of Ten\u201d Reveals the Astonishing Scale of Reality","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u67087\u65e5","format":false,"excerpt":"I'm Ken Kuwako, your science trainer. Every day is\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=781&lang=en"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/09bd694e4ca24cd2287d7bfea1799e26.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/09bd694e4ca24cd2287d7bfea1799e26.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/09bd694e4ca24cd2287d7bfea1799e26.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/09bd694e4ca24cd2287d7bfea1799e26.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/09bd694e4ca24cd2287d7bfea1799e26.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/09\/09bd694e4ca24cd2287d7bfea1799e26.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":56090,"url":"https:\/\/phys-edu.net\/wp\/?p=56090&lang=en","url_meta":{"origin":61866,"position":1},"title":"Are Vetch Pods Secret Puzzle Masters? 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Every Day is \u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=781&lang=en"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/adef0abd8fdf3f5f9bf63b7103e33069.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/adef0abd8fdf3f5f9bf63b7103e33069.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/adef0abd8fdf3f5f9bf63b7103e33069.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/adef0abd8fdf3f5f9bf63b7103e33069.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":60113,"url":"https:\/\/phys-edu.net\/wp\/?p=60113&lang=en","url_meta":{"origin":61866,"position":2},"title":"A Squeeze of Lemon Is a Chemistry Experiment! Your Dining Table Turns into a Science Lab (Neutralization)","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u67086\u65e5","format":false,"excerpt":"I'm Ken Kuwako, your Science Trainer. 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