Gradient flow is an innovative analytical and numerical tool that systematically smooths gauge field configurations in quantum chromodynamics (QCD) and related non-Abelian gauge theories. By ...

It is commonly assumed that tiny particles just go with the flow as they make their way through soil, biological tissue, and ...

Driving force An experiment has confirmed that an oscillating temperature gradient boosts heat flow in fluids. (Courtesy: iStock/Mervana) Physicists in the Czech Republic have shown that heat flows ...