Whether you call it slime, flubber, oobleck, goo, goop, gak, gunk, ooze, putty, or play dough, we are talking about gooey, homemade polymers that can provide both hours of fun and an introduction to chemistry.
Despite the common misconception that "chemical" means toxic and is the opposite of natural, chemistry is the study of all substances (natural and man-made, toxic and nontoxic). Here's a sampling of what the Net has to offer those interested in Online Che