These days, most people have heard some form of the idea that “what we see can affect how we think.” But over a century ago, this was a new discovery. According to an article on the Observer website, in the early 1900’s gestalt psychologist Karl Duncker created an experiment known as the “Candle Problem.” Duncker led some test subjects to a table pressed up against a wall. The table held three items: a candle, a book of matches, and a box of tacks. He asked the... [read more]