太陽系振り子

I love watching the tiny planets orbit as they swing — it’s surprisingly calming and the Earth actually keeps spinning for a good minute after I tap it. The scale feels just right for my desk, and it’s already started a few conversations about astronomy.

I hung this above my desk and the planets keep their orbit rhythm all day—the kinetic energy transfer is surprisingly smooth for such a compact piece. The scale is clearly laid out, which made explaining the solar system to my nephew way easier than any diagram.

The way each planet swings and transfers momentum in sequence is oddly mesmerizing—I've caught myself just watching it cycle for minutes. It's genuinely educational too, since the size differences between the spheres make the scale of the solar system surprisingly tangible. My desk feels way more in