Last week I showed you the power of Zinc, as presented by The Kentucky Fried Movie and The Simpsons.  Today, I bring you a fourth dimensional lesson:  A 4-D film is a movie combining a 3-D film with physical effects in the theater, which occur in synchronization with the film. Because the physical effects are expensive to set up, 4-D films are usually presented only at special venues such as theme parks and amusement parks. However, in Korea, some movie theaters also have the ability to present a 4-D film and the film Avatar was one of 10 films that have received the treatment.

I prefer the hands on experience myself, some of the effects simulated in 4-D films include rain, wind, strobe lights, and vibration. The use of water sprays and air jets is also common.  Here is a low budget demonstration:

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