First came 3-D. Now comes 4-D.
A South Korean company called CJ Group, which operates Asia's largest theater chain, has set up a laboratory near Grauman's Chinese Theatre in Hollywood to demonstrate and market what it calls 4DX. The system uses a variety of physical and sensory effects -- including vibrating seats, wind blasts, scents, strobe lights and water sprays -- to bring more physical reality to moviegoing.
