Imagine being half-liquid, then becoming almost fully liquid, then almost fully solid, then completely solid, and finally being completely solid but holding a liquid.<br /><br />That's a lot of physics gymnastics&nbsp;<img src="https://e.deviantart.net/emoticons/e/eek.gif" alt=":o (Eek)" style="width: 15px; height: 15px;" data-embed-type="emoticon" data-embed-id="375">&nbsp;