By Randy Gladman We interact with technology hundreds of times a day. We dial telephone numbers, scan our food through supermarket check-out lasers, change the television channel and move our mouse to surf to another web page. We click, slide, dial, push, swipe, turn and type on our machines to communicate our contextual commands, and we take for granted that the device will understand our desires and provide an expected result. The point of interface, where our bodies meet our machines, is at the heart of Rafael Lozano-Hemmer’s art. His works create new interfaces and interfere with communications in order to propose new, unexpected,...