Holographic Universe is an interesting book, read it years ago. But, it's just more bullshit from sleeping men thinking they are awake, which explains nothing about states of Consciousness which we actually can experience.
Truth is, Man is asleep and functions merely as a machine:
"he has no independent movements, inside or outside of himself. He is a machine which is brought into motion by external influences and external impacts. All his movements, actions, words, ideas, emotions, moods and thoughts are produced by external influences. By himself, he is just an automaton with a certain store of memories of previous experiences, and a certain amount of reserve energy."
https://dougtoft.net/2018/01/27/p-d-ouspensky-on-our-fundamental-illusion-and-how-to-wake-up/