Book excerpt: The digital manufacturing revolution is upon us, and at its current center is the 3D printer. Arguably the most powerful machine ever invented, its possibilities are endless. In 3D Printing Will Rock the World, author John Hornick presents an insightful look at how 3D printing could potentially change the planet. 3DPrintingIndustry.com said "John Hornick's '3D Printing Will Rock the World' Rocks." 3DPrintingStocks.com called it a "must read." To see what industry experts say, see the back cover. With chapters titled "Morphing Manufacturing," "Merging Science and Nature," "Shrinking the World and Bringing Jobs Home," "3D Printing New Kinds of Crime," and "Rocking Kids' Futures," Hornick discusses a wide range of topics, including the impact of 3D printing on business and personal life, how mass production could be replaced with production by the masses, 3D printing's legal (and illegal) side effects, and how today's kids will 3D print our future. For fans of Fabricated: The New World of 3D Printing by Hod Lipson and Melba Kurman and Makers: The New Industrial Revolution by Chris Anderson, this visionary book is an essential addition to the library of CEOs, investors, makers, and anyone interested in the future of manufacturing.