If you’re looking for a fun and magical science experiment to do with kids, this Pot of Gold Experiment is perfect! It’s a ...

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 ...

In anti-Klein tunneling, sound waves bounce back as if hitting an invisible wall; in Klein tunneling, they pass through the barrier effortlessly—as if the wall isn’t there at all.