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 ...

In classical thermodynamics, entropy is a concept that describes a property of matter that changes with the amount present. Essentially, it measures disorder, or how disorganized a system is on a ...

What's an intuitive way to understand entropy? This question was originally answered on Quora by Mark Eichenlaub.

## Entropy is a harsh mistress Similarly, there's absolutely nothing stopping the air molecules in your room from collectively deciding to head in the same direction and crowd into the corner ...

Entropy has always increased from any moment to the next, but that doesn't mean that the Big Bang began with zero entropy.

Entropy maximizing methods are popular in geography, civil engineering, and planning, but are not easy for nonspecialists to understand. Entropy is a measure of uncertainty. A reasonable means of ...

What happens to a black hole as it decays? Investigating the possibilities has led researchers in recent years to major clues about quantum gravity.

Sometimes, randomness is intentionally introduced for security reasons, and that’s accomplished by collecting entropy, which is a measure of unpredictability.