01:4201:42, 4 February 2013diffhist+33
V-Cube 7
"impossible" should be a provable fact, attributed to a reliable source, not via original explanation in the article. for example, magnets could allow a uniform 7x7x7 construction. many things are *possible*.
17:5817:58, 2 February 2013diffhist−436
Pet tag
removed effectiveness section. "make it easy" is subjective and advice on on "good backups" is not encyclopedic and not quantifying tag effectiveness