Invisible water effect
Click here to watch video - 00:30s
This demonstration shows how sulfur hexafluoride is more dense then the surrounding air.
Full Version: Invisible water effect
Invisible water effect
Click here to watch video - 00:30s
This demonstration shows how sulfur hexafluoride is more dense then the surrounding air.
wow that was cool, thanks for putting it up 
. It could be used for special effects in films couldn't it?
. It could be used for special effects in films couldn't it?
That is very cool.
WOW!
Love it.
Ahh thats how ppl make thing float and says its the "ghost"
amazing.................
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