Prison reform is the endeavor to enhance conditions inside jails, build up a more successful punitive framework, or execute other options to detainment.
Answer:
An interesting fact is that the Egyptions purposely left no trace of evidence on how they built the pyramids. However, a study shows that the Egyptions may have used a technique where they wet the sand in front of a machine which was built to pull heavy objects, such as the heavy stones they used.
The printing press
Movable type printing was introduced to Europe by Johann Gutenberg in the mid-15th century. This technological advance made it possible for a reformer like Martin Luther to spread his ideas widely and rapidly. While overall literacy rates were low at that time, it was common for people to gather for reading of the latest Reformation materials. Hundreds of thousands of copies of tracts written by Luther were printed and distributed -- as well as similar spread of ideas by publishing done by other reformers.