Potpourri Tuesday, April 8, 2008 . This is a SciScoop post by David Bradley
There’s nothing like a little density theory to “lighten” the mood:
No prizes for figuring out what’s going on here, but it’s not a trick and it’s relatively easy to do, it would make a great science fair project!
If the embed is not working here is the link
Previously: « Seven Pains Not to Ignore
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