I had to have my eyes lasered over the weekend and it left me with very little to do - not allowed to look at a computer screen, iPhone, TV etc. One thing that's pretty low impace on the old ojos - the cube. I set up my camera, flash, reflector and starated rocking through all my magic twisty puzzles:
Lauren already noticed, in like 2 seconds, that my finger nails are dirty. TOO BAD! (thx Lauren).