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relaxation

In the physical sciences, relaxation usually means the return of a perturbed system into equilibrium. Each relaxation process can be categorized by a relaxation time τ. The simplest theoretical description of relaxation as function of time t is an exponential law exp(-t/τ).
Deep relaxation - girl, relax, incense, blanket
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Deep relaxation

Added year ago by ALA

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Dziewczyna z anime - Ładna dziewczyna z różowymi włosami
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Dziewczyna z anime

Added over a year ago by Weronika

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