You could probably blind the bartender,
but you'd struggle to stop someone knowing what the temperature of their drink is.
( my other username is a porsche , posting shit pictures so you don't have to, Wed 27 May 2009, 21:49, archived)

That is true.
Maybe if there were only a couple of degrees in it they might not be able to tell.

Bad science.
( Anthropos Was making beer on, Wed 27 May 2009, 21:50, archived)