The first-known direct observations of the movement of microfiber plastics through a thin layer of soil-like particles show that they tend to tumble, roll and sometimes get stuck in spaces.

DIPY is the paragon 3D/4D+ medical imaging library in Python. Contains generic methods for spatial normalization, signal processing, machine learning, statistical analysis and visualization of medical ...

Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States ...

Given two spherical arcs [point0, point1] and [point2, point3], returns their intersection, or undefined if there is none. See “Spherical Intersection”. Returns a polyhedral projection based on the ...

The original version of this story appeared in Quanta Magazine. In the fall of 2022, a Princeton University graduate student named Carolina Figueiredo stumbled onto a massive coincidence.

Geometry first appeared in the ancient world as a set of rules and formulas suitable for planning, constructing, astronomy, and solving mathematical problems. These principles included length, area, ...