Healthcare workers in eastern Congo say they are underprotected and undertrained as a rare Ebola virus spreads rapidly in one of the world’s most remote and vulnerable places. The virus ...
The U.S. Drug Enforcement Administration warned Americans Tuesday that fentanyl is increasingly mixed with a dangerous array of synthetic substances that can limit the effectiveness of ...
Abstract: Two-dimensional (2D) direction-of-arrival (DOA) estimation using sparse arrays shows advantages in reducing hardware costs and enhancing degrees-of-freedom. However, most current studies ...
Abstract: We present a novel augmented reality (AR) display system utilizing a holographic optical element (HOE)-based approach, featuring seamless switching between three-dimensional (3D) and ...
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