<ul><li>New theoretical research shows that time can flow forwards or backwards in quantum systems, challenging our everyday perception of how time progresses.</li><li>The laws of nature don’t inherently favour a single direction of time, and the equations remain the same whether time moves forward or backward.</li><li>The second law of thermodynamics, which explains our everyday experience of time, states that entropy (disorder) cannot decrease with time.</li><li>The study explores the arrow of time in quantum systems and suggests that time reversal symmetry is possible in open quantum systems.</li></ul>

Theoretical physicists show that quantum systems have opposing arrows of time

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