Abstract: The stress field of steel members in service is unevenly distributed under complicated loads. The existing single-path ultrasonic (SPU) sensors can only measure stress in a single ...

Federal immigration officers fanning out across Minnesota and other parts of the country are newly equipped with an array of state-of-the-art surveillance technologies, thanks to a bill passed last ...

ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. The Trump administration is planning to use artificial ...

Abstract: The letter presents a wideband 8 × 8-element slot antenna array operating in the E-band. The proposed design employs a low-loss coaxial waveguide transmission line filled with air ...