WASHINGTON — The Trump administration said Thursday that it had reached trade frameworks with Argentina, Ecuador, El Salvador and Guatemala. The frameworks are about increasing the ability of U.S.

As the first capital of Brazil, from 1549 to 1763, Salvador de Bahia witnessed the blending of European, African and Amerindian cultures. It was also, from 1558, the first slave market in the New ...

Abstract: This brief presents a low-dropout regulator (LDO) for power-efficient Internet of Things (IoT) devices. When IoT devices are in low-power standby mode, the proposed LDO senses the load ...

Edited by Robert Stroud, University of California San Francisco, San Francisco, CA; received August 9, 2024; accepted April 14, 2025 ...