DIY water vapor hologram video projection effect


“diy vapor display made from a humidifier, 10 computer fans and a couple hundred drinking straws. Humidifier output is routed out a central channel of straws. the computer fans are placed under two banks of straws on either side to create a buffering stream of air around the water vapor stream. projector is 4000 lumen, and the display is visible in a sunlit room. Cost is inexpensive, except for the projector, and most parts can be salvaged.”

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