Skip to main content
3 events
when toggle format what by license comment
Feb 7, 2010 at 13:58 comment added Konrad Voelkel No, that one isn't dumb, but it's more about psychology than about mathematics (like most tricks with cards).
Jan 17, 2010 at 22:42 comment added Harry Gindi No, that one is dumb.
Jan 4, 2010 at 16:15 history answered Gerald Edgar CC BY-SA 2.5