Prince Rupert's cube
... that Prince Rupert's cube, named for Prince Rupert of the Rhine, can pass through a square hole drilled into a smaller cube ?
... that <b id="mwDZY"><a href="./Prince_Rupert's_cube" id="mwDZc" rel="mw:WikiLink" title="Prince Rupert's cube">Prince Rupert's cube</a></b>, named for <a href="./Prince_Rupert_of_the_Rhine" id="mwDZg" rel="mw:WikiLink" title="Prince Rupert of the Rhine">Prince Rupert of the Rhine</a>, can pass through a square hole drilled into a smaller cube <i id="mwDZk">(pictured)</i>?