Should http://tinyurl.com/363fx3o be changed to https://upload.wikimedia.org/wikipedia/commons/2/22/West,_Benjamin_-_Cicero_Discovering_the_Tomb_of_Archimedes_1797.jpg in the following answer?
I wanted to post this as a comment to the answer by Justin L. but it is my first posting here so I couldn't. Archimedes was so proud of his proof that the volume of a sphere is two-thirds of the volume of a cylinder of the same height and diameter that he asked that a sculpture illustrating this ...
More generally, what is the policy on URL shorteners?
