The best noise-cancelling headphones combine this “active” noise cancelling with passive noise reduction—that is, physical barriers and dampers built into the headphones that help block or ...

The security of wireless communications is increasingly threatened by eavesdropping and jamming attacks. This paper proposes a novel framework for enhancing secure transmission using hybrid ...

In this paper, we propose a cooperation based joint active and passive sensing scheme for the non-LOS (NLOS) scenarios having asynchronous transceivers. This scheme relies on the cross-correlation ...

Active odor-control systems are beneficial for large restrooms or restrooms with serious malodor issues, while passive systems work well in smaller restrooms or stalls, says Ward. Some restrooms ...

MarketingProfs believes that learning changes lives. Our marketing training, courses, events, and free resources on topics like content marketing and email teach marketers the skills they need to plan ...

Explore the history, meanings, and modern relevance of the hanky code—an iconic communication tool in LGBTQ+ culture.

The week’s most popular albums as compiled by Luminate, based on multi-metric consumption (blending traditional album sales, track equivalent albums, and streaming equivalent albums).

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