You can buy 125 pounds of iron for $5. But that value goes up a bunch depending on how the iron is developed.
Darrow unpacks this truth in his February 14 post, “The Power of Human Imagination.” Just click the title in the image below (or click here) to read it.
You might also be interested in viewing the animated version, just released today. For that, click the picture below. (Go here if the picture does not appear.)