When learning how to taste whiskey, keep in mind appearance, aroma (of first the straight whiskey and then the diluted whiskey), mouth-feel and flavour.
"When I woke up, and I was able to feel I had features again -- eyes and a nose and a mouth -- I even said out loud that this could not be medically possible, " Wiens said Monday.
Images are fed into a lollypop-like device that Craig holds in his mouth, this transforms the pictures into electrical impulses that he can feel on his tongue.