MiniFoucault n°23
(Hommage à Bob Holmström / Tribute to Bob Holmström)
This is a small public Foucault pendulum that operates permanently. It is 19 centimetres long. It has been installed since May 2024 at La Grenette (Sion, Switzerland), where it can be visited every day.







Timelapse showing its rotation hour after hour for an entire month:
It is currently installed in the Grenette café and has been in permanent operation since 4 May 2024.

If you’re interested in the technical details, click here