Do you even need an explanation?
It is a copy of the hoverboard from the movie Back to the Future II. Integrated into the board and the plinth is an electromagnetic system which levitates the board. A laser system stabilises the object in the air.
In the making of this work, this artist was thinking about different ways of presenting sculpture.
In fact it's a reflexion on the multiple possibilities of how to give a sculpture full spatial autonomy.
more infos : nilsguadagnin.com - whiteoffice.org