Neither object, nor matter, nor space, nor mental state, it defies the common sense by uniting all of the above in an hardly understandable idea. The paradox is a powerful stimulant for reflection. It reveals lack of discernment the human spirit. This is how paradoxes based on simple concepts have often led to some great progresses in science or in philosophy.
This book sums up this research in regard to my bachelors degree. First It consists of a historical study of voluntary representations, while the second part is made up of three axis of experimental and personal research.

Geometric paradox: Research of an aesthetic and a techniques for creation of figures and impossible universes.
Temporal paradox: A combination of historical and contemporary photographs in order to create a paradox between the present and the past.
Sensorial paradox: The use of new technology such as virtual reality to mislead brain by creating a confusion between our eyesight and our internal ear.
Geometric paradox:
Temporal paradox:
Sensorial paradox:​​​​​​​
Virtal Réality experience :​​​​​​​
1 - Download : clic here
2 - load it on a Vr player app on your smartphone
3 - Put it in a virtual reality helmets
4 - Watch :)