1.0In Abstracthttps://www.mub.eps.manchester.ac.uk/in-abstractEnna Bartletthttps://www.mub.eps.manchester.ac.uk/in-abstract/author/ennabartlett/rich600338<blockquote class="wp-embedded-content" data-secret="9M1PPiw5nB"><a href="https://www.mub.eps.manchester.ac.uk/in-abstract/atomic-scale-ping-pong/">Ballistic molecular transport through two dimensional channels</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.mub.eps.manchester.ac.uk/in-abstract/atomic-scale-ping-pong/embed/#?secret=9M1PPiw5nB" width="600" height="338" title="“Ballistic molecular transport through two dimensional channels” — In Abstract" data-secret="9M1PPiw5nB" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! 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://www.mub.eps.manchester.ac.uk/in-abstract/wp-content/uploads/sites/61/2018/06/Ballistic-molecular-transport-through-two-dimensional-channels.jpg890350Atomic-scale ping pong In nanoscale channels with perfectly flat-walls, gas flow has been found to be frictionless, challenging the classical Knudsen gas flow theory. In classical physics, ballistic gas flow can only occur under ideal condition, i.e., specular reflection in which molecules rebound in a way that their angle of incidence and reflection are the […]