How did I not know about these fascinatingly engineered doohickeys?
They use tension on flexible pieces in balance to create an illusion of “hovering.”
This guy built a stool suspended, from below, with lengths of chain. Interesting.
And here is a video showing how you can build one with Legos.
![picture picture](https://generalsemiotics.net/img/2004/200408/cdt-logo.png)