Template:Did you know nominations/Prince Rupert's cube

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 (pictured)?
 * Reviewed: Duffy Site

5x expanded by David Eppstein (talk). Self nom at 21:51, 2 September 2012 (UTC)


 * Symbol confirmed.svg Length after expansion, referencing and date check out. Nice work! --Al Ameer son (talk) 06:40, 3 September 2012 (UTC)