Note that the Orientation Slice is cut precisely to the (100) before the crystal is rotated and cut at either +.25 degrees and toward the flat, or â.25 degrees and away from the flat (as described in Figure 3).
The era was called the Dark Ages also because we don't have a lot of written sources from that time period, especially from the early part of the dark ages (500 to 800 CE).
Why the Middle Ages are called the Dark Ages. February 4, 2014 by. The Dark Ages â it is a term that brings images of war, destruction and death â like the domain of the evil character in a good fantasy novel. How did the term âDark Agesâ become synonymous with the Middle Ages, and why do we still refer to it like that? History is full of people talking about how they are living in a âdark timeâ or in âage of lightâ â it is an easy metaphor to explain that you are living in good or bad times.