As Science advanced and the collision of East and west began the development of Printing was a huge staple in the Middle Ages. The reason for this was now knowledge can spread quickly. The printing press made it possible to print various copies of treatises which help educate the world on sciences such as Astronomy. It also allowed for the spread of Religion such as Christianity throughout the world. With the printing press Galileo was able to share his discoveries in astronomy and of the celestial bodies that abound in our universe. He was able to share his improvements to the telescope and record his observations of the moon. With advances in technology also came advances in weaponry. With the development of gunpowder to breakdown fortified structures with cannons. Gunpowder revolutionized the way naval battles were fought and changed the way naval vessels were built. The introduction of the rudder improved mobility for the heavy vessels as well as better developments of sails. The next Stop will be the Industrial Revolution and the modern world will begin to take shape.