"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Many philosophers and scientists have pondered if we live in a simulated universe, and University of ...

Even if it turns out that time loops never take shape, studying them provides key insights into the deepest rules of reality.

Pity the poor thermodynamics student of the future. As difficult as thermo can be for budding engineers to learn, it is going to get a lot more complicated if a recently published theory is true.

Every moment that passes finds us traveling from the past to the present and into the future, with time always flowing in the same direction. At no point does it ever appear to either stand still or ...

Every moment that passes finds us traveling from the past to the present and into the future, with time always flowing in the same direction. At no point does it ever appear to either stand still or ...

Anyone trying to circumvent the physical laws governing heat is going to get burned. A new experiment reveals how a device that robs a closed system of heat to make it more orderly, an action ...

If you can't see the point in stacking things neatly, and you balk at high-maintenance hairdos or dry-clean-only tags, you're going to love entropy. And you're not alone: left to itself, the entire ...

Our brains produce more entropy when we are awake than when we are asleep. The finding could lead to better ways to measure the consciousness of people who appear to be in a coma. Entropy is a measure ...