What Is Entropy? A Measure of Just How Little We Really Know

Exactly 200 years ago, a French engineer introduced an idea that would quantify the universe’s inexorable slide into decay. But entropy, as it’s currently understood, is less a fact about the world than a reflection of our growing ignorance. Embracing that truth is leading to a rethink of everything from rational decision-making to the limits of machines.

Source: What Is Entropy? A Measure of Just How Little We Really Know. | Quanta Magazine