We experience the flow of time because it’s a natural outcome of the basic laws of physics. But we may need to build a whole ...
In a recent paper, SFI Professor David Wolpert, SFI Fractal Faculty member Carlo Rovelli, and physicist Jordan Scharnhorst examine a longstanding, paradoxical thought experiment in statistical physics ...
Gravity is supposed to be the most familiar force in nature, yet at the deepest level it remains the least understood. A bold ...
For more than a century, modern physics has rested on two towering frameworks that do not quite agree with each other.
It's Saturday! This week, in an eminently practical analysis of the Boltzmann brain conjecture, physicists put constraints on ...
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Entropy isn’t what it used to be

Entropy. Randomness. Disorder. Think of it as the universe’s tendency to move from ordered to disordered forms. It is a scientific concept of something that increases over time and something that is ...
A jewellery chain, like everything else in the universe, is subject to the second law of thermodynamics, explains one reader ...