Dark matter is not a substance but a macroscopic manifestation of the microscopic structure of spacetime itself, analogous to how heat in the 1800s was once thought to be a fluid (caloric) before being revealed as the motion of discrete molecules.
factualpending
Speaker
Stephen WolframEvidence Quote
“Dark matter is really the spacetime analog of heat. It's a macroscopic manifestation of the microscopic structure of spacetime.”
Source
Can space and time emerge from simple rules? Stephen Wolfram thinks so. | World Science Festival— World Science FestivalCreated: 8/12/2026, 6:48:03 PM
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