Rare, medium-rare, medium, or well done?
My father had an old anecdote about a college prof who used to charge up a Leyden jar (those were the days) and demonstrate resistance in series by having the students stand in a circle holding hands and he and the other end of the circle would touch the opposite contacts of the jar, and everyone would feel a slight tingle. Then to demonstrate the RC constant effect, he would drain the remaining charge by holding the one contact with his finger and touching the other contact close to his nose for a small visible spark.
One clever student heard about this demonstration beforehand and persuaded the fellow next to him not to hold hands… Then, after the RC demonstration, when the prof regained consciousness…