If you grew up pre-Y2K, chances are you’re familiar with the concept of a lava lamp. It’s much less likely that you’ve ever encountered a lamp made out of literal lava. That’s the basic description of ...

Did you ever dream of having a lava lamp experiment when you were a kid? I know I did! There’s just something magical about those colorful blobs bouncing around in liquid light. Now, as a parent, you ...