Entropy, the amount of molecular disorder, is produced in several systems but cannot be measured directly. A new equation sheds new light on how entropy is produced on a very short time scale in laser ...

It is one of the most important laws of nature that we know: The famous second law of thermodynamics says that the world gets more and more disordered when random chance is at play. Or, to put it more ...

Once you grasp entropy, you start noticing it everywhere, in nature, in families, in organizations, and even in our own ...

Three recent studies offer deeper understanding of thermodynamic behaviors with potential to impact materials engineering and energy systems. One shows how increasing elemental diversity in layered ...

Compressing hydrogen demands high pressures; liquefying it requires extreme cooling. Both approaches carry energy penalties, safety considerations, and infrastructure costs that limit wider adoption.