What was your favorite toy growing up? This paradox claims that memory—and every other one—is just a random fluctuation.

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 ...

For a technical scientific term, entropy is pretty popular. I mean, it was the title of an episode of Buffy the Vampire Slayer, after all. Search the Internet for “entropy” quotes and you’ll find them ...

Was an incredible drop in entropy responsible for the Big Bang? If that’s the case, this w Was an incredible drop in entropy responsible for the Big Bang? If that’s the case, this would lead us to ...

Cosmology has a way of turning everyday certainty inside out, and few ideas do it more brutally than the suggestion that your entire life story could be a physical fluke. The Boltzmann brain puzzle ...

Ludwig Boltzmann is best known as the Austrian physicist who wrote down the statistical formula for entropy, but if the physics thing hadn’t worked out, he would have made an excellent travel writer.