In the Acheulian era, beginning roughly 1.sixty five million years in the past, methods of working these stone into specific shapes, corresponding to hand axes emerged. The Middle Paleolithic, roughly 300,000 years in the past, noticed the introduction of the prepared-core approach, the place multiple blades might be quickly shaped from a single core stone. The Upper Paleolithic, starting roughly 40,000 years in the past, saw the introduction of pressure flaking, where a wood, bone, or antler punch could be used to form a stone very finely. The invention of the printing press made it attainable for scientists and politicians to speak their ideas with ease, leading to the Age of Enlightenment; an example of technology as a cultural force. Proven technology in Geothermal; utilized in countries of USA, New Zealand, Japan, Philippines, Turkey, and so on. If you are at an office or shared community, you possibly can ask …