PBS Space Time
tv show

415 total episodes
-
12 seasons
First Aired February 11, 2015
Genres:
Overview
Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth.

Does Space Emerge From A Holographic Boundary?
Season 2024 - Episode 7 - 0h 16m
Air Date
March 21, 2024
Overview
Space seems fundamental. To build a universe, surely you need something to build it on or in. Many, maybe most physicists now think that the fabric of space emerges from something deeper. And perhaps the most existentially disturbing such proposal is that our 3-D universe is just the inward projection of an infinitely distant boundary. A hologram, or sorts. Let’s see how that can actually work, and what the holographic principle really says about the “realness” of this universe.