Arjun Goli, a 14-year-old rising sophomore from Saratoga, developed a hearing aid that can isolate specific voices in noisy ...

A researcher found that using Anthropic’s Claude Opus 4.7, he could break into the website of Front Gate—used by every festival from Lollapalooza to Bonnaroo—and freely issue any ticket he chose.

Abstract: By resorting to the technology of frequency diverse array (FDA)-based directional modulation (DM), this paper designs the physical-layer security in system uplink and downlink. Specifically, ...

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Abstract: In this paper, we investigate the downlink of millimeter-wave multi-user massive MIMO systems, and propose a hybrid precoding scheme based on a sub-array architecture to achieve a better ...