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Equation 3 · Part 1 · The Bend an Elevator Cannot Fake

Symbol tau_i

τi\tau_i
τi\tau_i

What this part means

tauiu_i is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Its job in the formula

tauiu_i is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

Every clock in the story keeps its own proper time, τi\tau_i , defined operationally as whatever a specific atomic transition in that specific clock counts. No clock has privileged access to a universal “true” time; what a network of them can share is a coordinate time t , a bookkeeping label attached to the static or stationary reference frame the…

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Learn the underlying idea

A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.

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