Magic Sand

fist_187 writes "Here's a link to an interesting chemistry video about "magic sand", a hydrophobic solid. I've seen something like this done before with a certain type of pollen. But, this is the first demonstration I've seen that uses a material actually more dense than water."

Comments

Re:make your own!!!!

[HughsOnFirst]

That seems way too hot, more that 400 degrees , the flash point
of paraffin is 450, the same as for paper.

Wham-o made theirs with silicone. Here
is a nice page that goes into the details