https://www.explainxkcd.com/wiki/api.php?action=feedcontributions&feedformat=atom&user=162.158.91.172explain xkcd - User contributions [en]2026-04-16T04:24:53ZUser contributionsMediaWiki 1.30.0https://www.explainxkcd.com/wiki/index.php?title=Talk:1762:_Moving_Boxes&diff=131284Talk:1762: Moving Boxes2016-11-21T14:21:54Z<p>162.158.91.172: </p>
<hr />
<div>I think I've got some Dark Matter in a box left in my basement. Anyone knows how long you can keep this stuff until it expires? [[Special:Contributions/162.158.22.72|162.158.22.72]] 13:36, 21 November 2016 (UTC)<br />
: Mine is about 13.8 billion years old and still OK. But shouldn't about 3/4 of the boxes be filled with dark matter? --[[Special:Contributions/162.158.91.172|162.158.91.172]] 14:21, 21 November 2016 (UTC)</div>162.158.91.172