{"version":"1.0","provider_name":"High Voltage Experiments","provider_url":"http:\/\/www.extremeelectronics.co.uk\/hvexperiments","author_name":"EEadmin","author_url":"http:\/\/www.extremeelectronics.co.uk\/hvexperiments\/author\/eeadmin\/","title":"Electroscope - High Voltage Experiments","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"12DA1OAM5k\"><a href=\"http:\/\/www.extremeelectronics.co.uk\/hvexperiments\/electroscope\/\">Electroscope<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"http:\/\/www.extremeelectronics.co.uk\/hvexperiments\/electroscope\/embed\/#?secret=12DA1OAM5k\" width=\"600\" height=\"338\" title=\"&#8220;Electroscope&#8221; &#8212; High Voltage Experiments\" data-secret=\"12DA1OAM5k\" 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\/* ]]> *\/\n<\/script>\n","description":"Equipment \u00a0Jam jar Acrylic Disk or plastic lid for Jam jar Thin Aluminium foil 50mm Bolt &amp; nuts &nbsp; Diagram &nbsp; Method Drill a hole in the centre of the plastic lid for the bolt to go through. Saw a slot in the screw end of the bolt. Place the bolt through the plastic lid and bolt in place leaving 20mm of bolt and the bold head sticking out. Glue two thin sheets of aluminium foil 30mm long and 10mm wide from a chocolate wrapper into the slot ensuring that the foil is not glued together. Replace the lid on the jar and secure. &nbsp;","thumbnail_url":"http:\/\/www.extremeelectronics.co.uk\/hvexperiments\/wp-content\/uploads\/2013\/05\/electroscope-247x300.jpg"}