Self-ligating brackets engage the wire by means of a slide mechanism. Forces that have to be applied to open and close the sliding mechanism of brackets are still unknown. Objective The aim of this ...

Introduction In this paper, we present the initial results of a fully programmable 128-channel FPGA and PC-based system that has been developed for medical ultrasound (US) imaging research in our ...

WASHINGTON — The Defense Department is sending a large array of additional weaponry to the Middle East, including more warships, air defenses and submarines, in preparation for a possible military ...

It was billed as the answer to high-tech U.S. stealth fighters. Instead, an ambitious pan-European project has become a case study into some of what has gone wrong with the region’s defense push. The ...