🔬 Science Aug 12, 2026 · Lorna Brigham

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A system will generally move towards equilibrium when a change is made to it in a process called relaxation. To predict the state of the system after some period of time, we only need to know its current state and the external conditions. However, some polymers have memory behaviours where the evolution of the system is not only dependent on the current state, but also on previous states. This is known as the Kovacs effect.
In this work, the researchers investigated the Kovacs effect in a system

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