{"id":16020,"date":"2026-04-06T17:30:59","date_gmt":"2026-04-07T00:30:59","guid":{"rendered":"https:\/\/mattfife.com\/?p=16020"},"modified":"2026-02-20T17:37:07","modified_gmt":"2026-02-21T00:37:07","slug":"making-a-core-memory-usb-drive","status":"publish","type":"post","link":"https:\/\/mattfife.com\/?p=16020","title":{"rendered":"Making a core memory USB drive"},"content":{"rendered":"\n<p id=\"56848d27-fdd3-4c05-8cf9-0ed83139ff85\">Despite the drawbacks and impractical nature of this device, space science researcher @dyd_Nao created a USB drive made of <a href=\"https:\/\/en.wikipedia.org\/wiki\/Magnetic-core_memory\" data-type=\"link\" data-id=\"https:\/\/en.wikipedia.org\/wiki\/Magnetic-core_memory\">magnetic core memory<\/a> &#8211; a technology that was used a lot in space technology of the 1950&#8217;s and 60&#8217;s.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" data-attachment-id=\"16021\" data-permalink=\"https:\/\/mattfife.com\/?attachment_id=16021\" data-orig-file=\"https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/02\/bKTtfv4s3Fygp5TQusGFsV.jpg?fit=1920%2C1440&amp;ssl=1\" data-orig-size=\"1920,1440\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"bKTtfv4s3Fygp5TQusGFsV\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/02\/bKTtfv4s3Fygp5TQusGFsV.jpg?fit=300%2C225&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/02\/bKTtfv4s3Fygp5TQusGFsV.jpg?fit=640%2C480&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/02\/bKTtfv4s3Fygp5TQusGFsV.jpg?resize=640%2C480&#038;ssl=1\" alt=\"\" class=\"wp-image-16021\" srcset=\"https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/02\/bKTtfv4s3Fygp5TQusGFsV.jpg?resize=1024%2C768&amp;ssl=1 1024w, https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/02\/bKTtfv4s3Fygp5TQusGFsV.jpg?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/02\/bKTtfv4s3Fygp5TQusGFsV.jpg?resize=360%2C270&amp;ssl=1 360w, https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/02\/bKTtfv4s3Fygp5TQusGFsV.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/02\/bKTtfv4s3Fygp5TQusGFsV.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/02\/bKTtfv4s3Fygp5TQusGFsV.jpg?w=1920&amp;ssl=1 1920w, https:\/\/i0.wp.com\/mattfife.com\/wp-content\/themes\/mattTheme\/headerimgs\/2026\/02\/bKTtfv4s3Fygp5TQusGFsV.jpg?w=1280&amp;ssl=1 1280w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p>It&#8217;s really awesome &#8211; despite the fact it only holds 128 <em>bytes<\/em> of data and is the size of a small dinner plate.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"embed-twitter\"><blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"ja\" dir=\"ltr\">\u90e8\u54c1\u4e00\u901a\u308a\u8f09\u305b\u7d42\u308f\u3063\u305f\u3000\u3061\u3083\u3093\u3068USB-A\u7aef\u5b50\u3064\u3044\u3066\u308b\u3057\u3069\u3046\u898b\u3066\u3082USB\u30e1\u30e2\u30ea\u3084\u306a <a href=\"https:\/\/t.co\/Lnpbrxmczn\">pic.twitter.com\/Lnpbrxmczn<\/a><\/p>&mdash; dydt (@dydt_Nao) <a href=\"https:\/\/twitter.com\/dydt_Nao\/status\/2017506283654713408?ref_src=twsrc%5Etfw\">January 31, 2026<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Despite the drawbacks and impractical nature of this device, space science researcher @dyd_Nao created a USB drive made of magnetic core memory &#8211; a technology that was used a lot in space technology of the 1950&#8217;s and 60&#8217;s. It&#8217;s really awesome &#8211; despite the fact it only holds 128 bytes of data and is the size of a small dinner plate.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":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":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[9,33,5],"tags":[],"class_list":["post-16020","post","type-post","status-publish","format-standard","hentry","category-cool","category-retro-computing","category-technical"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4WECr-4ao","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/mattfife.com\/index.php?rest_route=\/wp\/v2\/posts\/16020","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mattfife.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mattfife.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mattfife.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mattfife.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16020"}],"version-history":[{"count":1,"href":"https:\/\/mattfife.com\/index.php?rest_route=\/wp\/v2\/posts\/16020\/revisions"}],"predecessor-version":[{"id":16022,"href":"https:\/\/mattfife.com\/index.php?rest_route=\/wp\/v2\/posts\/16020\/revisions\/16022"}],"wp:attachment":[{"href":"https:\/\/mattfife.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mattfife.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mattfife.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}