{"id":55743,"date":"2025-11-11T04:59:12","date_gmt":"2025-11-10T19:59:12","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=55743"},"modified":"2025-11-11T04:59:12","modified_gmt":"2025-11-10T19:59:12","slug":"the-dancing-magnet-how-to-listen-to-ac-currents-secret-sound","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=55743&lang=en","title":{"rendered":"The Dancing Magnet: How to Listen to AC Current&#8217;s Secret Sound"},"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>Did you know that electricity has a &#8220;sound&#8221;? Of course, you can&#8217;t hear anything by putting your ear up to a power line. But what if that electricity is Alternating Current (AC)? The power that runs our homes actually has a unique rhythm\u2014you could call it a &#8220;pulse.&#8221; Today, I&#8217;m going to introduce a magical science experiment that lets you &#8220;listen&#8221; to this invisible electrical rhythm using nothing but a paper cup and a magnet!<\/p>\n<p>The main star of this show is an experimental device I introduced recently: the &#8220;Pascal Wire.&#8221;<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"1cyRd0lRaB\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=23529\">1\u672c\u306710\u672c\u5206\uff01\uff1f \u5b89\u5168\u306b\u300c30\u30a2\u30f3\u30da\u30a2\u7d1a\u300d\u306e\u78c1\u5834\u3092\u4f53\u9a13\u3067\u304d\u308b\u300c\u30d1\u30b9\u30ab\u30eb\u96fb\u7dda\u300d\u306e\u4f5c\u308a\u65b9<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;1\u672c\u306710\u672c\u5206\uff01\uff1f \u5b89\u5168\u306b\u300c30\u30a2\u30f3\u30da\u30a2\u7d1a\u300d\u306e\u78c1\u5834\u3092\u4f53\u9a13\u3067\u304d\u308b\u300c\u30d1\u30b9\u30ab\u30eb\u96fb\u7dda\u300d\u306e\u4f5c\u308a\u65b9&#8221; &#8212; \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=23529&#038;embed=true#?secret=N5s5e5cwCF#?secret=1cyRd0lRaB\" data-secret=\"1cyRd0lRaB\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>This is a cheap and incredibly effective homemade apparatus made from a multi-core cable (like a 10-core wire) where several conductors are bundled together. It requires a bit of crafting, like soldering, but it&#8217;s quick to make yourself, so I highly recommend it. Today, let&#8217;s use this Pascal Wire to hear the &#8220;sound&#8221; of AC.<\/p>\n<p>The Science Recipe<br \/>\nWhat You&#8217;ll Need:<\/p>\n<p>Pascal Wire (homemade)<\/p>\n<p>Paper cup<\/p>\n<p>Neodymium magnet (small but powerful)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-23757 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/874a3d3b9873d773448e0d0a5118b6fc.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-14 0.02.02\" width=\"210\" height=\"267\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/874a3d3b9873d773448e0d0a5118b6fc.jpg 352w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/874a3d3b9873d773448e0d0a5118b6fc-236x300.jpg 236w\" sizes=\"auto, (max-width: 210px) 100vw, 210px\" \/><\/p>\n<p>Procedure:<\/p>\n<p>Connect the Pascal Wire to an AC (Alternating Current) power supply.<\/p>\n<p>Coil the Pascal Wire into a spiral shape, roughly the same size as the bottom of the paper cup.<\/p>\n<p>Place the neodymium magnet inside the paper cup.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-23755 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/5c561edb587d092a54ca2722cd455f07.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-14 0.02.22\" width=\"233\" height=\"232\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/5c561edb587d092a54ca2722cd455f07.jpg 468w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/5c561edb587d092a54ca2722cd455f07-150x150.jpg 150w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/5c561edb587d092a54ca2722cd455f07-300x300.jpg 300w\" sizes=\"auto, (max-width: 233px) 100vw, 233px\" \/><\/p>\n<p>Run AC through the Pascal Wire and observe what happens.<\/p>\n<p>Experiment Results: The Dancing Magnet and the Audible &#8220;Sound&#8221;<br \/>\nI recorded a video for you. Be sure to turn up the volume when you watch!<\/p>\n<p><iframe loading=\"lazy\" title=\"\u624b\u3082\u89e6\u308c\u305a\u306b\u78c1\u77f3\u304c\u8e0a\u308b\uff01\u7d19\u30b3\u30c3\u30d7\u30b9\u30d4\u30fc\u30ab\u30fc\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/_8tRjTwLzuU?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>Well, what did you think? The moment you switch on the power and current flows, you can see the magnet start dancing wildly inside the paper cup!<\/p>\n<p>Solving the Mystery: Why Does the Magnet Dance?<br \/>\nIt&#8217;s amazing, isn&#8217;t it? What exactly is the mechanism at work here? The key lies in Alternating Current (AC) and Electromagnets.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-23754 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/729850cf65f106620da55e45ae23384b.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-14 0.01.49\" width=\"444\" height=\"513\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/729850cf65f106620da55e45ae23384b.jpg 444w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/729850cf65f106620da55e45ae23384b-260x300.jpg 260w\" sizes=\"auto, (max-width: 444px) 100vw, 444px\" \/><\/p>\n<p style=\"text-align: center;\">The magnet vibrates rapidly due to the magnetic field created by the current.<\/p>\n<p>AC is Current that Switches Direction Unlike Direct Current (DC) from a battery, the Alternating Current (AC) we used constantly switches its flow direction (positive and negative) at a furious pace\u2014dozens of times per second (50 times in Eastern Japan, 60 times in Western Japan).<\/p>\n<p>A Coil is an Electromagnet The coil we made by wrapping the Pascal Wire becomes an electromagnet when current runs through it.<\/p>\n<p>AC + Electromagnet = ? This means that when you run AC, which is constantly reversing its direction, through the coil, the electromagnet&#8217;s North and South poles also violently flip-flop 50 or 60 times every second.<\/p>\n<p>The Magnet&#8217;s Dance! So, what happens when you place a neodymium magnet (a permanent magnet with fixed N\/S poles) on top of this electromagnet that is switching poles at lightning speed? That&#8217;s right! It relentlessly alternates between attracting and repelling, causing the magnet to shake violently and &#8220;dance&#8221; (vibrate).<\/p>\n<p>The &#8220;AC Pulse&#8221; and the Principle of the Speaker<br \/>\nIf you tape the magnet to the bottom of the paper cup, like this, and put your ear to the cup, you can hear a low &#8220;buzz.&#8221;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-23756 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/327e80c01120490b506ace93f2ca815d.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-14 0.01.37\" width=\"371\" height=\"363\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/327e80c01120490b506ace93f2ca815d.jpg 591w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/327e80c01120490b506ace93f2ca815d-300x293.jpg 300w\" sizes=\"auto, (max-width: 371px) 100vw, 371px\" \/><\/p>\n<p>This sound is precisely the sound created when the tiny vibrations of the magnet are transferred to the paper cup, causing the cup to vibrate the surrounding air. It is the very &#8220;pulse of the alternating current&#8221; itself! And you may have already realized it: this is the exact principle of a loudspeaker (speaker)!<\/p>\n<p>A speaker works by sending a &#8220;complex electrical signal (AC)&#8221;\u2014which is the music\u2014through a coil. The force between the coil and a fixed magnet causes the diaphragm (the paper cup in our experiment) to vibrate, transforming the electrical energy into air vibrations, or &#8220;sound.&#8221; Isn&#8217;t it exciting to learn the mechanism of a device you use every day with such a simple experiment?<\/p>\n<p>The Pascal Wire only takes a little time to make, and you can even get the paper cup and magnet from a dollar store. When you have a bit of free time, please try this experiment to &#8220;hear&#8221; the sound of electricity!<\/p>\n<p>Contact and Requests<br \/>\nMake the wonder and fun of science more accessible! We clearly explain enjoyable science experiments you can do at home and the tips for performing them. Feel free to search around!<\/p>\n<p>\u30fbThe content of the Science Idea Notebook is now a book. Find out more <a href=\"https:\/\/amzn.to\/42PMCEL\">here<\/a>. \u30fbAbout the administrator, Ken Kuwako: <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">here<\/a> \u30fbFor various requests (writing, lectures, experiment classes, TV supervision\/appearances, etc.): <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">here<\/a> <span class=\"s2\">\u30fbArticle updates are posted on <a href=\"https:\/\/x.com\/kuwako\">X<\/a>!<\/span><\/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>We stream experiment videos on the <a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Science Idea 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. Did you know that electricity has a &#038;# [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":23754,"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-55743","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\/2016\/01\/729850cf65f106620da55e45ae23384b.jpg","jetpack-related-posts":[{"id":55619,"url":"https:\/\/phys-edu.net\/wp\/?p=55619&lang=en","url_meta":{"origin":55743,"position":0},"title":"Why Does the Magnet Stop It? 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Every\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\/2016\/01\/a406105832d1ff4673b1c0f8e0c065ef.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":55636,"url":"https:\/\/phys-edu.net\/wp\/?p=55636&lang=en","url_meta":{"origin":55743,"position":2},"title":"Why Does Light Shake? The Hidden \u201cFleming\u2019s Left-Hand Rule\u201d Inside a Stylish Lamp (Edison Bulbs &#038; Vibra Lamps)","author":"\u6851\u5b50 \u7814","date":"2025\u5e7411\u67089\u65e5","format":false,"excerpt":"I\u2019m Ken Kuwako, your Science Trainer. 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