Do not Do Drugs and Play with this

Put some fluorescent die in water. Then feed it through a precise, micro-controlled pump so as to get a very regular stream of drops from the top of your apparatus. Then, turn the blacklight on, and start your strobelight. What you’ve just created is called The Time Fountain, and happens to be one of the trippiest DIY projects we’ve ever come across.

"The Time Fountain Will Turn Back Time" found on OhGizmo.com