{"version":"1.0","provider_name":"John&#039;s blog","provider_url":"https:\/\/blog.jj5.net\/blog","author_name":"Jay Jay","author_url":"https:\/\/blog.jj5.net\/blog\/author\/jj5\/","title":"Period and Frequency &#8212; John&#039;s blog","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"Oif8sDVyHJ\"><a href=\"https:\/\/blog.jj5.net\/blog\/2023\/02\/24\/period-and-frequency\/\">Period and Frequency<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blog.jj5.net\/blog\/2023\/02\/24\/period-and-frequency\/embed\/#?secret=Oif8sDVyHJ\" width=\"600\" height=\"338\" title=\"&#8220;Period and Frequency&#8221; &#8212; John&#039;s blog\" data-secret=\"Oif8sDVyHJ\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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:\/\/blog.jj5.net\/blog\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"I made a thing. Oh, wait. I made it better. These charts show how period, frequency, and the speed of light are related to each other, in scientific and compact units. Period is measured in seconds, frequency is measures in &hellip; Continue reading &rarr;","thumbnail_url":"https:\/\/d297fd4gt7t5lv.cloudfront.net\/file\/2023-02-24-011636\/time-invert.png"}