Here is a printing set being prepared for a printing press. Printing presses were invented by Johannes Gutenberg in 1440 and the moveable type allowed for literature to be produced in a more timely manner. It also brought on the creation and use of new type faces. http://inventors.about.com/od/gstartinventors/a/Gutenberg.htm
The eighth chakra, often referred to as the aura or soul star chakra, is related to infinite energy, supreme wisdom and spiritual compassion. This is the chakra where we connect with our higher selves and are able to let go of old attitudes and belief systems which hold us back. It's as if we "awaken" and begin to make momentous changes.