While on my casual surfing i came across a true example of creativity: Time Fountain, an experiment with strobe lights and water created by Nate True. Based on a concept by Shigeko Hirakawa, he applied fluorescent dye to a fountain and created this DIY idea, documented in this video:

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Link to video: http://www.youtube.com/watch?v=v1sD8Vj0DtM