In 1955, we profiled inventor Sam Adams, a man who enjoys a good joke at someone else's expense. The palm buzzer? He invented that. The dribble glass? Snakes in a can? Those too. However, he's sure to point out that a prank is only funny as long as it doesn't go too far. The ideal practical joke, he told our reporter in 1955, "does not generate the urge toward mayhem or murder against the joker, who is my customer, and who, consequently, I do not wish to see murdered."
We took a look at some of Adams' greatest creations, including some that sound a little too dangerous to fit into that ethos, like the exploding book.
Read the full story in Fun's Henry Ford Is Still Inventing