Friday, February 19, 2016

Cool Stuff I Like to Play With

At the science museum we found out about these jelly marbles that become invisible in water.   I think I was more impressed than the kids.  We bought some.  I play with them.  Yay!

And then I saw hydrophobic sand for the first time!  I bought some of that too.  I should let the marbles live in the sand now.  And their only threat will be graboids from the sky and possibly over absorption.

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