“We’ve all heard the old saying ‘it’s like nailing jelly to a wall’ to describe a task that is very difficult or impossible. But is our view of the difficulty of this task justified? Has anybody actually tried nailing jelly to a wall? In this experiment I attempt to establish, one way or the other, the validity of the old proverb… (Attention Americans! What you call ‘jello’, we call ‘jelly’. What you call ‘jelly’, we call ‘jam’. That’s the long and the short of it.)”