
I have often tried to explain to people the visual effect perceived after shoving as many lines of ketamine up your nose as you can before your arms stop working.
Above picture is pretty close for me.
( ,
Thu 2 Oct 2014, 0:31,
archived)
Above picture is pretty close for me.

the yellow may be as significant as the blue in making the effect work
( ,
Thu 2 Oct 2014, 1:21,
archived)