A Thin Sheet of Reality: The Universe as a Hologram (Full) Dr Brian Cox on the Holographic principle. World Science Festival Video. Holographic Universe (Part 1 of 5 ) its all illusion. Consciousness in a Holographic Universe. Scientists Confirm That Reality is an Illusion Our 3D Universe Is A Hologram. A Thin Sheet of Reality: The Universe as a Hologram (Full) Holographic Universe FULL movie. Leonard explaining the holographic universe theory.