Displays made from shadow and light are ` ` the next step in visual technology '' With screens , users need not wear special glasses . With the technology consisting of air , water and light Displair is one of the simpler concepts in the burgeoning holographic and 3D projection industry . It responds ' intuitively ' to hand movements .
Displays made from shadow and light are ` ` the next step in visual technology '' With screens , users need not wear special glasses . It responds ' intuitively ' to hand movements .