Mental Floss

The Number of the Day: 20

Will Treece
facebooktwitterreddit

Related Fact: The fastest anyone has solved a Rubik's Cube blindfolded is 30.94 seconds. Haiyan Zhuang of China set this record at the Xi'an Spring 2010 Rubik's Cube competition.

[Source: Yahoo! Games. See previous Numbers of the Day here.]

facebooktwitterreddit