MLB
$\textbf{At or near Planck's dimension}$, the strength of all fields becomes equal, and they behave as different aspects of a single, primary field.
Moving back toward the universe's origin, $\textbf{sequential unification}$ of fields would be observed at $\textbf{appropriate high temperatures}$.
It's reasonable to presume the universe originated in a unity of all fields near the Planck scale.
At this unified stage, the fundamental laws for elementary particles and the universe become a $\textbf{single law}$ (Murray Gell-Mann).
A final, philosophical question is posed: $\textbf{Can science address what existed "before" the beginning}$ (before time itself)?
🌌 Diagram Gist: The Progression of Field Unification (Time Reversal)
| Time/Energy/Temperature (→ Higher) | State of Forces/Fields | Resulting Unity/Theory |
| Present Day (Low Energy/Temp) | $\textbf{4 Distinct Forces}$ ($\text{Gravity, EM, Weak, Strong}$) | $\text{The Standard Model}$ |
| $\rightarrow$ | $\text{EM}$ and $\text{Weak}$ unify | $\textbf{Electroweak Force}$ ($\text{Weinberg, Salam, Glashow}$) |
| Very High Temp ($\text{GUT Scale}$) | $\text{Electroweak}$ and $\text{Strong}$ unify | $\textbf{Grand Unified Theory (GUT)}$ |
| $\rightarrow$ | $\text{GUT}$ and $\text{Gravity}$ unify | $\textbf{Theory of Everything (TOE)}$ |
| Planck Scale ($\approx 10^{-43}$ sec, Highest Temp) | $\textbf{All Fields Unified}$ as a Single, Primary Field | $\textbf{Single Law}$ for matter and universe |
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