. special effects. the smoke was highly sought after. onstage at the movies. billowing clouds smoke and swirling particles. this is the stuff of fluid simulation used out of this world movie special effects. are seen here in the latest star wars adventure the last jet i. know real simulated clouds of smoke are easy enough to conjure up with some ink and a tank of water. but for the creators of computer animated effects they can be a challenge. nears two of a is