{"id":3605,"date":"2026-01-05T07:59:38","date_gmt":"2026-01-05T07:59:38","guid":{"rendered":"https:\/\/nbaem.com\/?p=3605"},"modified":"2026-01-05T06:30:32","modified_gmt":"2026-01-05T06:30:32","slug":"magnetic-reversal","status":"publish","type":"post","link":"https:\/\/nbaem.com\/fa\/magnetic-reversal\/","title":{"rendered":"\u0645\u0639\u06a9\u0648\u0633\u200c\u0633\u0627\u0632\u06cc \u0645\u063a\u0646\u0627\u0637\u06cc\u0633\u06cc \u0648 \u067e\u0627\u06cc\u062f\u0627\u0631\u06cc \u0622\u0647\u0646\u0631\u0628\u0627 \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0645\u0646\u0637\u0642\u0647\u200c\u0627\u06cc \u0628\u0627\u0644\u0627"},"content":{"rendered":"<h2>What Is Geomagnetic Reversal? The Basics<\/h2>\n<p>Is the Earth about to physically turn upside down? Let\u2019s clear up the biggest misconception right away. When we discuss a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Geomagnetic_reversal\" target=\"_blank\" rel=\"noopener\"><strong>geomagnetic reversal<\/strong><\/a>, we are strictly talking about the planet\u2019s magnetic North and South poles switching places\u2014not the physical globe itself tipping over.<\/p>\n<p>This phenomenon is driven by the <strong>Geodynamo process<\/strong> occurring deep beneath our feet. About 1,800 miles down, the Earth\u2019s <strong>molten outer core<\/strong> acts like a massive, chaotic ocean of churning liquid iron. As this conductive fluid moves, it generates electrical currents that create our magnetic field. Because this flow is turbulent and chaotic, the field isn\u2019t static; it wanders, weakens, and eventually flips.<\/p>\n<h3>The Timeline: A Slow Fade, Not a Snap<\/h3>\n<p>One of the most persistent myths is that an <strong>Earth\u2019s magnetic field flip<\/strong> happens overnight. In reality, this is a gradual geological event.<\/p>\n<ul>\n<li><strong>Duration:<\/strong> A full reversal typically takes between <strong>1,000 to 10,000 years<\/strong> to complete.<\/li>\n<li><strong>Process:<\/strong> The field doesn\u2019t just snap to the opposite polarity; it weakens significantly, becomes complex (sometimes showing multiple poles), and then slowly re-establishes itself in the opposite direction.<\/li>\n<\/ul>\n<h3>Evidence from the Deep: How We Know<\/h3>\n<p>We aren\u2019t guessing here. The history of these reversals is permanently recorded in the Earth\u2019s crust through <strong>paleomagnetism evidence<\/strong>.<\/p>\n<p>When lava erupts and cools, iron-rich minerals inside the rock align with the current magnetic north, locking that direction in place like a frozen compass. This is most visible in <strong>seafloor striping<\/strong> along mid-ocean ridges. As tectonic plates spread, they create a symmetrical pattern of magnetic \u201cstripes\u201d\u2014alternating bands of normal and reversed polarity\u2014that serve as a barcode of Earth\u2019s magnetic history.<\/p>\n<p><strong>Key takeaways on the mechanics:<\/strong><\/p>\n<ul>\n<li><strong>Not a physical flip:<\/strong> Gravity and Earth\u2019s axis remain unchanged.<\/li>\n<li><strong>Driven by heat:<\/strong> Convection in the outer core powers the shift.<\/li>\n<li><strong>Recorded in stone:<\/strong> Volcanic rocks provide the historical timeline.<\/li>\n<\/ul>\n<hr \/>\n<p><em>Would you like me to detail the specific timeline of the last major reversal and the phenomenon of Superchrons next?<\/em><\/p>\n<h2>History and Frequency of Earth\u2019s Magnetic Flips<\/h2>\n<p>When we look at the geological record, it becomes obvious that our planet doesn\u2019t operate on a strict schedule. By analyzing <strong>paleomagnetism evidence<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>geomagnetic reversal<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<h3>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/h3>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>cURL Too many subrequests by single Worker invocation. 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To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<hr \/>\n<p><strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<h2>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/h2>\n<p><img decoding=\"async\" class=\"\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/12\/magnetic_reversal_myths_and_facts_overview_lxWPZqH.webp\" alt=\"cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits\" width=\"765\" height=\"612\" \/><\/p>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>geomagnetic reversal<\/strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong>.<\/p>\n<h3>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/h3>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong> updates are critical because magnetic north is drifting rapidly from the Canadian Arctic toward Siberia.<\/p>\n<p>This drift impacts everything from smartphone compasses to military navigation systems and airport runway designations. We have to constantly adjust our algorithms to keep up, but this is a standard correction procedure, not a sign of impending doom.<\/p>\n<h3>Radiation Risks and Debunking Doomsday Theories<\/h3>\n<p>Let\u2019s be clear about the dangers. The idea that a <strong>magnetic reversal<\/strong> causes mass extinction is a myth. The fossil record and <strong>paleomagnetism evidence<\/strong> show that previous reversals did not correlate with cataclysmic die-offs. Our atmosphere provides a massive shield that remains intact even if the magnetic field weakens significantly.<\/p>\n<p>However, the risk to technology is real.<\/p>\n<ul>\n<li><strong>Surface Life:<\/strong> generally safe due to atmospheric shielding.<\/li>\n<li><strong>Satellites and Astronauts:<\/strong> highly vulnerable to increased <strong>radiation risks<\/strong> and solar particles.<\/li>\n<li><strong>Power Grids:<\/strong> susceptible to geomagnetically induced currents (GICs) during solar storms.<\/li>\n<\/ul>\n<p>[Image of Earth magnetosphere deflecting solar wind]<\/p>\n<p>We aren\u2019t facing an biological extinction, but we are facing a potential technological disruption. The expanding <strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong>\u2014a weak spot in the field allowing radiation to dip lower\u2014already causes glitches in satellites passing over the region. Our focus shouldn\u2019t be on doomsday bunkers, but on hardening our electrical infrastructure and satellite constellations.<\/p>\n<h2>The Engineering Pivot: Magnetic Reversal in Materials<\/h2>\n<p>While geologists worry about the Earth\u2019s core, in the manufacturing world, we worry about the core of your motor. When we talk about <strong>magnetic reversal<\/strong> in engineering, we aren\u2019t discussing a pole flip that takes a thousand years; we are defining a critical material failure known as demagnetization.<\/p>\n<h3>Understanding Magnetic Domains and Alignment<\/h3>\n<p>To understand why magnets fail, you have to look inside the material structure. A permanent magnet is made up of microscopic regions called <strong>\u0686\u0646\u062f\u06cc\u0646 \u062d\u0648\u0632\u0647 \u0645\u063a\u0646\u0627\u0637\u06cc\u0633\u06cc<\/strong>.<\/p>\n<ul>\n<li><strong>Unmagnetized state:<\/strong> These domains point in random directions, canceling each other out.<\/li>\n<li><strong>Magnetized state:<\/strong> We apply a massive external field during manufacturing to force these domains to align in a single direction.<\/li>\n<\/ul>\n<p><strong>Magnetic domain reversal<\/strong> happens when an opposing external magnetic field or extreme heat forces these domains to snap back to a random state or, worse, flip to the opposite direction. Once that alignment is broken, you lose the flux driving your application.<\/p>\n<h3>The Role of Coercivity ($H_{cj}$) in Resisting External Fields<\/h3>\n<p>How do we stop this from happening? We focus on a property called <strong>\u06a9\u0631\u0648(Coercivity) \u0630\u0627\u062a\u06cc ($H_{cj}$)<\/strong>. Think of $H_{cj}$ as the magnet\u2019s immune system against demagnetization.<\/p>\n<ul>\n<li><strong>\u06a9\u0650\u0648\u0634\u0650\u0646\u062f\u06af\u06cc \u067e\u0627\u06cc\u06cc\u0646:<\/strong> easy to magnetize, but easy to demagnetize (like AlNiCo).<\/li>\n<li><strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong> incredibly difficult to reverse (like NdFeB).<\/li>\n<\/ul>\n<p>\u0628\u0633\u06cc\u0627\u0631 \u0628\u0627\u0644\u0627 <strong>\u062f\u06cc\u200c\u0645\u06af\u0646\u062a \u06a9\u0631\u062f\u0646<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<h3>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/h3>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>\u062f\u0645\u0627\u063a\u062a \u0645\u063a\u0646\u0627\u0637\u06cc\u0633\u06cc \u062d\u0631\u0627\u0631\u062a\u06cc<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<ol>\n<li><strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li><strong>Efficiency Drop:<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li><strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ol>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong><a href=\"https:\/\/nbaem.com\/fa\/magnets-used-in-industrial\/\" target=\"_blank\" rel=\"noopener\">cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/a> <\/strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<hr \/>\n<p><strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<h2>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/h2>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<h3>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/h3>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>\u062f\u06cc\u200c\u0645\u06af\u0646\u062a \u06a9\u0631\u062f\u0646<\/strong>.<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/nbaem.com\/fa\/products\/neodymium-magnet\/\" target=\"_blank\" rel=\"noopener\">NdFeB Magnets<\/a>:<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li><strong><a href=\"https:\/\/nbaem.com\/fa\/products\/samarium-cobalt-magnets\/\" target=\"_blank\" rel=\"noopener\">cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/a>:<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong><a href=\"https:\/\/nbaem.com\/fa\/what-is-high-performance-smco-magnets\/\" target=\"_blank\" rel=\"noopener\">\u0641 magnets \u0628\u0627 \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0627\u0644\u0627 SmCo<\/a><\/strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li><strong>AlNiCo Magnets:<\/strong> While they handle heat incredibly well, <a href=\"https:\/\/nbaem.com\/fa\/products\/alnico-magnet\/\" target=\"_blank\" rel=\"noopener\">cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/a> have very low coercivity. They are easily demagnetized by external fields, which is why we rarely use them in dynamic motor applications where opposing fields are constant.<\/li>\n<\/ul>\n<h3>Grain Boundary Engineering and Diffusion<\/h3>\n<p>To make <strong>magnets NdFeB<\/strong> tough enough for automotive applications without switching to expensive Samarium Cobalt, we use advanced processing techniques.<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/nbaem.com\/fa\/grain-boundary-diffusion\/\" target=\"_blank\" rel=\"noopener\">Grain Boundary Engineering<\/a>:<\/strong> We modify the microstructure of the magnet, isolating individual magnetic grains. This prevents a \u201cdomino effect\u201d where one reversed grain flips its neighbors.<\/li>\n<li><strong>Heavy Rare-Earth Diffusion:<\/strong> Instead of adding expensive Dysprosium (Dy) or Terbium (Tb) to the whole magnet, we diffuse it mainly into the grain boundaries. This boosts <strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong> significantly without sacrificing the magnet\u2019s overall power (Remanence).<\/li>\n<\/ul>\n<h3>Optimizing the BH Curve<\/h3>\n<p>ly, avoiding reversal comes down to reading the <strong>BH<\/strong>. Every magnet has a \u201cknee point\u201d on its demagnetization curve. If the operating point of the motor pushes the magnet past this knee\u2014due to a current spike or temperature rise\u2014the <strong>magnetic domain reversal<\/strong> becomes permanent. We design our magnetic circuits to ensure the load line always stays safely above this knee point to prevent catastrophic failure.<\/p>\n<h3><strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong><\/h3>\n<p>Would you like me to detail the specific ISO testing protocols we use to verify the coercivity of these materials before shipment?<\/p>\n<h2>Real-World Applications and NBAEM Solutions<\/h2>\n<p>When we talk about magnetic reversal in an engineering context, we are really talking about reliability. If the magnets in a high-performance machine lose their orientation or demagnetize, the system fails. At NBAEM, we focus on engineering materials that resist these reversals under extreme conditions, ensuring stability for the technologies that drive the modern world.<\/p>\n<h3>Stabilizing Permanent Magnet Synchronous Motors (PMSM) in EVs<\/h3>\n<p>Electric vehicles rely heavily on <strong>Permanent Magnet Synchronous Motors (PMSM)<\/strong>. These motors generate intense heat and opposing magnetic fields during operation, creating a perfect storm for accidental demagnetization. We tackle this by utilizing <strong>high coercivity magnets<\/strong>\u2014specifically engineered NdFeB grades with heavy rare-earth diffusion. This ensures the <strong>\u0686\u0646\u062f\u06cc\u0646 \u062d\u0648\u0632\u0647 \u0645\u063a\u0646\u0627\u0637\u06cc\u0633\u06cc<\/strong> remain locked in alignment, preventing torque loss or sudden failure even when the motor is pushed to its thermal limits.<\/p>\n<h3>Wind Turbines: Handling High Stress Without Flux Loss<\/h3>\n<p>Wind turbines operate in harsh environments where maintenance is difficult and costly. The magnets inside the generator must maintain their field strength for decades. Our solutions for <a href=\"https:\/\/nbaem.com\/fa\/permanent-magnet-generators\/\" target=\"_blank\" rel=\"noopener\">\u0698\u0646\u0631\u0627\u062a\u0648\u0631\u0647\u0627\u06cc \u0645\u06af\u0646\u062a \u062f\u0627\u0626\u0645<\/a> are designed to withstand high operational stress without suffering from flux loss. By optimizing the <strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong>, we ensure these giants keep generating power efficiently, regardless of the load.<\/p>\n<h3>Custom Assemblies: Halbach Arrays and Lamination Cores<\/h3>\n<p>Standard magnets don\u2019t always cut it for specialized applications. We provide custom assembly solutions to maximize efficiency:<\/p>\n<ul>\n<li><strong>\u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627\u06cc Halbach<\/strong> We arrange magnets to augment the magnetic field on one side while canceling it on the other, ideal for high-precision robotics and particle accelerators.<\/li>\n<li><strong>Lamination Cores:<\/strong> To reduce eddy current losses in high-speed motors, we integrate laminated magnet assemblies that keep the system cool and efficient.<\/li>\n<\/ul>\n<h3>Ensuring Orientation with ISO-Certified Testing<\/h3>\n<p>Manufacturing the magnet is only half the battle; proving it works is the other. We back our materials with <a href=\"https:\/\/nbaem.com\/fa\/service\/\" target=\"_blank\" rel=\"noopener\">comprehensive technical services<\/a>, including rigorous <strong>HAST (Highly Accelerated Stress Test)<\/strong> \u0648 <strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<p><strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong><\/p>\n<div id=\"references\" class=\"min-w-0 scroll-mt-8 overflow-hidden\">\n<div class=\"text-[16px]\"><\/div>\n<div class=\"flex flex-col gap-2 text-sm leading-relaxed\">\n<div class=\"break-words text-[1em] leading-7\"><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u062f\u0631\u06a9 \u0648\u0627\u0698\u06af\u0648\u0646\u06cc \u0645\u063a\u0646\u0627\u0637\u06cc\u0633\u06cc \u0648 \u0645\u06af\u0646\u062a\u200c\u0647\u0627\u06cc \u0628\u0627 \u0633\u062e\u062a\u06cc \u06a9\u0645\u200c\u0628\u0627\u0632\u06af\u0634\u062a NBAEM. \u062f\u0631\u062c\u0627\u062a NdFeB \u0645\u0627 \u0627\u0632 \u062f\u0650\u0645\u0627\u063a\u0646\u062a\u0627\u0633\u06cc\u0648\u0646 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0648 \u067e\u0627\u06cc\u062f\u0627\u0631\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u0648\u062a\u0648\u0631\u0647\u0627\u06cc \u0628\u0631\u0642\u06cc \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>","protected":false},"author":1,"featured_media":3604,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/12\/magnetic_reversal_nJnOhMrpZ.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/fa\/wp-json\/wp\/v2\/posts\/3605","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/fa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/fa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/fa\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/fa\/wp-json\/wp\/v2\/comments?post=3605"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/fa\/wp-json\/wp\/v2\/posts\/3605\/revisions"}],"predecessor-version":[{"id":3626,"href":"https:\/\/nbaem.com\/fa\/wp-json\/wp\/v2\/posts\/3605\/revisions\/3626"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/fa\/wp-json\/wp\/v2\/media\/3604"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/fa\/wp-json\/wp\/v2\/media?parent=3605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/fa\/wp-json\/wp\/v2\/categories?post=3605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/fa\/wp-json\/wp\/v2\/tags?post=3605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}