There’s a visual revolution going on... Or is there? 2009 sees an unprecedented rise in 3D theatrical releases, and cinemas worldwide are ramping up their facilities accordingly. But just how does the technology work? And what potential does it really have in artistic terms? Using the example of the spectacular 2003 nature film Bugs!, which is currently being transformed into even more spectacular 3D, behind-the-scenes expert Phil Streather explains the secrets of the technology that’s taking big-screen film exhibition by storm.