Cryogenic Fog, Water Fog, & Breakaways presented by Andrew Nicholls. Andy's special series continues with all the details about generating fog and breadaway glass. He shows you how fog can be made using cryogenic materials or with water effects. Fog sets the tone for many movie scenes and there are problems inherent with the process. You get to see how the problems are solved to give the efect the set director has demanded. For breakaway glass, safety and effect are both vitally important to the success of a production. You get to see it all!