<?xml version="1.0"?>
<oembed><version>1.0</version><provider_name>Festival vedy a techniky AMAVET</provider_name><provider_url>https://www.festivalvedy.sk/wp2</provider_url><title>Porovnanie ohrevu a mera&#x10D;e vzduchu - Festival vedy a techniky AMAVET</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content" data-secret="GAA9BwFblS"&gt;&lt;a href="https://www.festivalvedy.sk/wp2/porovnanie-ohrevu-a-merace-vzduchu/"&gt;Porovnanie ohrevu a mera&#x10D;e vzduchu&lt;/a&gt;&lt;/blockquote&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://www.festivalvedy.sk/wp2/porovnanie-ohrevu-a-merace-vzduchu/embed/#?secret=GAA9BwFblS" width="600" height="338" title="&#x201C;Porovnanie ohrevu a mera&#x10D;e vzduchu&#x201D; &#x2014; Festival vedy a techniky AMAVET" data-secret="GAA9BwFblS" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;&lt;script type="text/javascript"&gt;
/* &lt;![CDATA[ */
/*! This file is auto-generated */
!function(d,l){"use strict";l.querySelector&amp;&amp;d.addEventListener&amp;&amp;"undefined"!=typeof URL&amp;&amp;(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&amp;&amp;!/[^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&lt;o.length;i++)o[i].style.display="none";for(i=0;i&lt;a.length;i++)s=a[i],e.source===s.contentWindow&amp;&amp;(s.removeAttribute("style"),"height"===t.message?(1e3&lt;(r=parseInt(t.value,10))?r=1e3:~~r&lt;200&amp;&amp;(r=200),s.height=r):"link"===t.message&amp;&amp;(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&amp;&amp;n.host===r.host&amp;&amp;l.activeElement===s&amp;&amp;(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&lt;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);
/* ]]&gt; */
&lt;/script&gt;
</html><description>Autor/autori: Zoran Trnka Robil som porovnanie ohrevu.Moj&#xED;m cie&#x13E;om bolo zmera&#x165; mno&#x17E;stvo elektrickej energie v kW,kJ a &#x10D;asu potrebn&#xE9;ho na ohrev ur&#x10D;it&#xE9;ho mno&#x17E;stva vody.Vybral som r&#xFD;chlovarn&#xFA; kanvicu,induk&#x10D;n&#xFD; a odporov&#xFD; vari&#x10D;.Nameran&#xE9; hodnoty som zap&#xED;sal a porovnal. Zostrojil som 2mera&#x10D;e: Mera&#x10D; r&#xFD;chlosti vetra sa sklad&#xE1; z krabice na ktorej s&#xFA; oto&#x10D;n&#xE9; dvierka,ktor&#xE9; s&#xFA; otv&#xE1;ran&#xE9; silou vetra a jej [&hellip;]</description></oembed>

<!--
Performance optimized by W3 Total Cache. Learn more: https://www.boldgrid.com/w3-total-cache/?utm_source=w3tc&utm_medium=footer_comment&utm_campaign=free_plugin

Page Caching using Disk: Enhanced (Requested URI contains query) 
Minified using Disk
Database Caching using Disk

Served from: www.festivalvedy.sk @ 2026-07-27 16:14:13 by W3 Total Cache
-->