Stranger Things includes a cast member who is able to influence a physical system without physical interaction.
Latency is a time interval between the stimulation and response , or , from a more general point of view , a time delay between the cause and the effect of some physical change in the system being observed . Psychokinesis ( from Greek ψυχή `` mind '' and κίνησις `` movement '' ) , or telekinesis ( from τῆλε `` far off '' and κίνησις `` movement '' ) , is an alleged psychic ability allowing a person to influence a physical system without physical interaction .