Life is energy!  

Why do we have the universally accepted sciences of mathematics and physics? These are scientific laws which are unseen but affect our daily world and space.

Consider medical advances, for example Synchron.

Because there are natural unseen energies that exist beyond our superficial comprehension, and so it is with human communication, too.

Psychic ability taps into one of many types of life energy. There are different kinds of psychic energy... The link below takes you to pictorial art which visually renders these energies or modes.