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Single Idea 14901

[filed under theme 27. Natural Reality / C. Space / 6. Space-Time ]

Full Idea

Contemporary physics takes very seriously the idea that spacetime itself is emergent from some more fundamental structure.

Gist of Idea

Spacetime may well be emergent, rather than basic

Source

J Ladyman / D Ross (Every Thing Must Go [2007], 1.2.3)

Book Ref

Ladyman,J/Ross,D: 'Every Thing Must Go' [OUP 2007], p.23


The 16 ideas with the same theme [relative space and time, treated as one system]:

Space alone, and time alone, will fade away, and only their union has an independent reality [Minkowski]
Space-time arises from the connection between measurements of space and of time [Einstein, by Farmelo]
We can't think of space-time as empty and propertyless, and it seems to be a substratum [Martin,CB]
Space-time is indeterminate foam over short distances [Close]
We distinguish time from space, because it passes, and it has a unique present moment [Le Poidevin]
Time, as it appears in standard modern science, is bad verificationist metaphysics [Smith,Q, by Le Poidevin]
Space is 3D and lacks a direction; time seems connected to causation [Sider]
The central question in the philosophy of time is: How alike are time and space? [Sider]
Modern metaphysicians tend to think space-time points are more fundamental than space-time regions [Hawthorne]
Spacetime may well be emergent, rather than basic [Ladyman/Ross]
If spacetime is substantial, what is the substance? [Ladyman/Ross]
The universe expands, so space-time is enlarging [Bardon]
Relativity makes time and space jointly basic; quantum theory splits them, and prioritises time [New Sci.]
Space-time may be a geometrical manifestation of quantum entanglement [New Sci.]
Einstein's merging of time with space has left us confused about the nature of time [New Sci.]
In relativity space and time depend on one's motion, but spacetime gives an invariant metric [Baron/Miller]