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).
A: The term known as the Middle Ages is synonymous with the Dark Ages for several reasons as the period between 500-1500 A.D. included political turmoil, social unrest and the spread of disease. The Middle Ages brought great change to Europe in many respects, including social mobility, politics and the way of life.