1.0Gizmodo Australiahttps://gizmodo.com.auGizmodo Australiahttps://gizmodo.com.au/author/gizmodoaustralia/rich600338<blockquote class="wp-embedded-content" data-secret="PNkf84qczN"><a href="https://gizmodo.com.au/2021/05/what-are-internal-waves-that-possibly-sank-the-indonesian-sub-if-youve-ever-suffered-plane-turbulence-youve-been-inside-one/">What Are ‘Internal Waves’ That Possibly Sank The Indonesian Sub? If You’ve Ever Suffered Plane Turbulence, You’ve Been Inside One</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://gizmodo.com.au/2021/05/what-are-internal-waves-that-possibly-sank-the-indonesian-sub-if-youve-ever-suffered-plane-turbulence-youve-been-inside-one/embed/#?secret=PNkf84qczN" width="600" height="338" title="“What Are ‘Internal Waves’ That Possibly Sank The Indonesian Sub? If You’ve Ever Suffered Plane Turbulence, You’ve Been Inside One” — Gizmodo Australia" data-secret="PNkf84qczN" 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> https://gizmodo.com.au/wp-content/uploads/2021/05/04/file-20210503-15-1aem3te.jpg?quality=75754433Last week might have been the first time you ever heard of “internal waves” — the phenomenon suspected of causing the tragic sinking of the Indonesian submarine KRI Nanggala the previous week, resulting in the deaths of the 53 crew members. So it may surprise you to learn that you’ve doubtless encountered internal waves before. […]