Caltech scientists have found a fast and efficient way to add up large numbers of Feynman diagrams, the simple drawings ...

Caltech scientists have found a fast and efficient way to add up large numbers of Feynman diagrams, the simple drawings physicists use to represent ...

In the strange world of quantum mechanics, objects can exist in several states at once. This concept, called superposition, ...

A sneeze. Ocean currents. Smoke. What do these have in common? They're instances of turbulence: unpredictable, chaotic, ...

This work presents an analytical method for calculating the system matrix for a DC-SPECT system. The solid angle calculation is adapted for a square-shaped pinhole collimator. The calculated ...