General Explanation of 3D Printing

It is widely believed that 3D printing or additive manufacturing (AM) has the vast potential to become one of these technologies. There is a lot of coverage on 3D printing across many television channels, newspapers and online resources. Now What really is this 3D printing that some have claimed will put an end to traditional manufacturing as we know it? Revolutionize design and impose geopolitical, economic, social, demographic and environmental and security implications to our everyday lives.