How Our Universe Could Emerge as a Hologram
by Natalie Wolchover
Feb 26, 2019
4 minutes
Reprinted with permission from Quanta Magazine’s Abstractions blog.
The fabric of space and time is widely believed by physicists to be emergent, stitched out of quantum threads according to an unknown pattern. And for 22 years, they’ve had a toy model of how emergent space-time can work: a theoretical “universe in a bottle,” as its discoverer, Juan Maldacena, has described it.
The space-time filling the region inside the bottle—a continuum that bends and undulates, producing the force called gravity—exactly
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