A new beam pattern devised by University of Rochester researchers could bring unprecedented sharpness to ultrasound and radar images, burn precise holes in manufactured materials at a nano scale—even ...

A CARBIDE which has a needle-like appearance on a polished and etched cross-section is a common occurrence in hot-rolled 3.25 per cent silicon iron. It is metastable with respect to cementite and can ...

Reconstructing the phase of a field from intensity measurements is an old and ubiquitous challenge, known as the phase retrieval problem 1,2,3. It has found numerous applications spanning from ...