This is this must be hypnotism. You have suggested you are invisible.

In the second part of our show, we'll feature... experiments with magnetism, hypnotism and autosuggestion.

Hypnotic science was also used in the nineteenth century to distinguish the scientific study of hypnotism from witchcraft or religious transcendentalism.

Abbé Faria (), or Abbé (Abbot) José Custódio de Faria, (31 May 1756 20 September 1819), was a Goan Catholic monk who was one of the pioneers of the scientific study of hypnotism, following on from the work of Franz Mesmer.