In this episode of Hidden Science for The People's Voice TV, Professor Harry Oldfield is interviewed by Dr Manjir Samanta-Laughton about invisible worlds, the PIP camera, Kirlian photography and more. Thanks to Evy King for her assistance in this show. Directed by John Webster Producers: John Webster, Manjir Samanta-Laughton, Liz Roberts Graphics and music: Miki Zoric Music: Clifford White