[riskable]

Haha... So I can use my awesome contactless magnetic separation+levitation 3D printable Void Switch design of course:

https://github.com/riskable/void_switch

...and so I can do this:

https://gfycat.com/costlyglaringhyracotherium

..and this:

https://gfycat.com/unconsciousvigilantkinglet

You can clean it in the sink with soap and water because there's no electrical contacts or components in the switches.

... But that's really just scratching the surface of what it can do.