<unk>  was a British children's science fiction television drama series produced by Tetra Films. It aired on the ITV network from 3 January to 6 March 1996, lasting only a single 10-episode season. The show centered on three main characters, Dr. Ruby Munro and two children with psychic powers named Julia and Ed. The three have a series of adventures and strange encounters, including time travel back to the Victorian era. The main cast included Robin McCaffrey as Dr. Ruby Munro, Ania Sowinski as Julia Stone and Jason Stracey as Ed Curtis. Additional cast included Una Stubbs who appeared in 4 episodes, Victoria Wicks who appeared in 4 episodes, and Peter Capaldi who appeared in 2 episodes.
Delta Wave
Delta wave
Alpha wave
U wave
P wave 
Threshold potential
Plateau potentials
Lewis offset