1.0Lifehacker Australiahttps://www.lifehacker.com.auTegan Joneshttps://www.lifehacker.com.au/author/teganjones-usa/rich600338<blockquote class="wp-embedded-content" data-secret="wUM5GF7YWt"><a href="https://www.lifehacker.com.au/2017/11/how-australia-is-transforming-the-world-of-fireworks/">How Australia Is Transforming The World Of Fireworks</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.lifehacker.com.au/2017/11/how-australia-is-transforming-the-world-of-fireworks/embed/#?secret=wUM5GF7YWt" width="600" height="338" title="“How Australia Is Transforming The World Of Fireworks” — Lifehacker Australia" data-secret="wUM5GF7YWt" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); </script> Over a thousand years ago, Chinese alchemists created an early form of gunpowder. Made primarily of potassium nitrate, sulfur and charcoal, the ingredients were packed into bamboo shoots and thrown into the fire. The idea was that the subsequent explosion of noise and light would ward off evil spirits. A millennium later, we use this […]