When observing small worms under a microscope, one might observe something very surprising: the worms appear to make a ...

The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer—has long captured the public imagination. Yet most arguments about it rest ...

Almost exactly 200 years ago, French physicist Sadi Carnot determined the maximum efficiency of heat engines. The Carnot ...

A new research paper reframes the simulation hypothesis, asking whether reality could be simulated and what science can test.

We regularly get queries about the minutiae of Nature Physics format, but what we really care about is that the papers are clear and accessibly written. So many papers deserve to be better written ...

Fluid dynamics is the study of the motion of liquids, gases and plasmas. Flow is dependent on the intrinsic properties of the matter itself, such as compressibility, viscosity and density. Example ...