fog fluid

If you have watched movies that feature haunted houses or chilly winter scenes you will notice that the mood is created by a fog-like presence. Fog machines are used to create this frightful ambience. These machines also have other applications such as in industries, to visualize the flow of air; in the military, for training purposes and in entertainment, to enhance the effect of lighting. Fog from these machines is also used as a form of security measure. They are used to disorient intruders in establishments or offices.

Fog is created by vaporizing fluids that are water and glycol based. This fog fluid condenses as it comes out of the machine and is seen as a thick visible fog. There are debates about the safety of these fluids. It is believed that minimal exposure can cause headaches and dizziness while long term exposure can cause more serious effects on the lungs and respiratory system. The use of digital effects in filmmaking is a safer alternative.

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