The laws thus ensure that physical processes that unfold in one temporal sequence can unfold in reverse. And since those very same laws govern everything, including the physical processes responsible for how entropy changes over time, it would indeed be curious, erroneous really, to find that those laws only allow entropy to increase. They don’t. All the entropically increasing processes you’ve experienced day in and day out during your entire life—from the mundane of a shattering glass to the profound of bodily aging—can happen in reverse. Entropy can decrease. It’s just ridiculously
...more
