The Replicator Is Still Sci-Fi, But Here's A Start

The dream of the Replicator--a machine that can create or copy any object--has mesmerized us ever since Star Trek used one to conjure a glass of water out of thin air. Yet, like so much other sci-fi tech invented by show business, it's always been just out of reach. The 3D printer company XYZ Printing wants to change that.