Order now at http://www.stevespanglerscience.com/search?sSearch=gravi-goo&sClass=Product&sType=&submit.x=0&submit.y=0 Everyone knows that water can’t flow uphill. Not so fast… when this goo is poured back and forth between two beakers, Gravi-Goo mysteriously siphons from the higher held beaker to the lower one. Maybe water can flow uphill. You have to play with the stuff to believe it.
Gravi-Goo
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