I once asked a group of students what one plus one plus one equals. Most said two, but one cleverly said “It depends on if it is in math or chemistry.” I added, “It would also change if we are talking about synergy because then the answer would be eight”. They were quite confused, but I explained with a pencil analogy. I gave a student a pencil and asked if he would break it. He did. I then gave him a stack of pencils and asked him to try to break them which he could not. One