<?xml version="1.0" encoding="UTF-8" standalone="yes"?><oembed><version><![CDATA[1.0]]></version><provider_name><![CDATA[Stephan Sokolow's Blog]]></provider_name><provider_url><![CDATA[http://blog.ssokolow.com]]></provider_url><author_name><![CDATA[Stephan Sokolow]]></author_name><author_url><![CDATA[http://blog.ssokolow.com/archives/author/admin/]]></author_url><title><![CDATA[More Portal Fun]]></title><type><![CDATA[link]]></type><html><![CDATA[Just a couple of quick links I ran across today:

<ul><li><a href="http://www.primotechnology.com/2007/10/17/half-life-2-portal/">Using the Portal Gun in Half-Life 2 and friends</a></li>
<li><a href="http://greg.medding.net/blog/2007/10/13/make-your-own-weighted-companion-cube/">Papercraft: Make Your Own Companion Cube</a></li>
<li><a href="http://bloggingabout.net/blogs/dennis/archive/2007/10/22/weighted-companion-cube.aspx">Weighted Companion Cube Wallpapers</a></li></ul>

<b>Update:</b> ...and a related <a href="http://xkcd.com/375/">XKCD comic</a>.]]></html></oembed>