{"version":"1.0","provider_name":"\u5a01\u98a8 Ifu - Das authentische Katana","provider_url":"https:\/\/selected-japanese-swords.com\/ifu-de","author_name":"\u5a01\u98a8 Ifu","author_url":"https:\/\/selected-japanese-swords.com\/ifu-de\/author\/sjs\/","title":"Wissenschaft des Katana - \u5a01\u98a8 Ifu - Das authentische Katana","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"tslQsBgA8C\"><a href=\"https:\/\/selected-japanese-swords.com\/ifu-de\/science-of-katana\/\">Wissenschaft des Katana<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/selected-japanese-swords.com\/ifu-de\/science-of-katana\/embed\/#?secret=tslQsBgA8C\" width=\"600\" height=\"338\" title=\"&#8220;Wissenschaft des Katana&#8221; &#8212; \u5a01\u98a8 Ifu - Das authentische Katana\" data-secret=\"tslQsBgA8C\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/selected-japanese-swords.com\/ifu-de\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"\u3000\u3000\u3000 Als leidenschaftliche Katana-Enthusiasten erforschen wir die vielen Wunder rund um authentische Katanas. Lassen Sie uns die beeindruckende Leistung authentischer Katanas vorstellen \u2013 nicht nur als sch\u00f6nes Objekt, sondern durch die Linse der Wissenschaft. Dies ist die \u00fcberzeugendste Theorie in der Forschung zur \u201eSch\u00e4rfe&#8221; von Klingen. Sie erkl\u00e4rt, welche mechanischen Gesetze wirken, wenn ein Objekt [&hellip;]","thumbnail_url":"https:\/\/selected-japanese-swords.com\/ifu-de\/wp-content\/uploads\/2025\/07\/scienceofkatana2.jpg","thumbnail_width":1536,"thumbnail_height":1024}