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08.29.08

Scare Tactics

Motion-triggered monster heads, a witches´ brew of liquid nitrogen, a projector rigged for fright, and more. Here, our favorite high-tech haunting tricks made easy
By Theodore Gray and Paul Wallich Posted 09.26.2006 at 2:00 am 0 Comments

The Bubbling Cauldron

Want a real witches´ brew? Mix soap-bubble solution with dry ice, or use liquid nitrogen for bubbles that release fog when they pop. In the following video, PopSci´s contributing mad scientist, Theodore Gray, uses the help of a few young assistants to create cauldrons of toil and trouble.

Here´s how it´s done:

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