From: Tony Williams 

John Beamish wrote:
> This is what happens when you have a bubble of water and you perform
> experiments on it on the ISS.
>
> http://pof.aip.org/pof/gallery/video/2005/911509phflong.mov

Float a few coloured LEDs in there and you'd have a cool zero-g lava lamp.

--
Tony 

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