Variable filters with adjustable bandwidth are vital components in diverse communication scenarios. This paper presents an innovative architecture for a continuously variable bandwidth filter using a ...

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Firefighters used a vacuum cleaner to try and suck the critter out of the drain.

Firefighters were called and joined in the rescue and used a vacuum cleaner to try and suck the critter out of the drain. When that failed, volunteers pushed an old plastic tube – which had ...

Control barrier functions (CBFs) are a popular approach to design feedback laws that achieve safety guarantees for nonlinear systems. The CBF-based controller design relies on the availability of a ...

Boron nitride nanotubes (BNNTs) are a promising nanomaterial due to their remarkable optical and mechanical properties, chemical robustness, and extended aspect ratios. Herein, we report the formation ...

Amazon Is Selling a 'Powerful' Pool Vacuum Cleaner for 70% Off, and Shoppers Say It’s 'So Easy to Use' “The suction is excellent—it easily picked up sand, bugs, and other debris.” ...

Modern mechanics rely too heavily on OBD-II scanners, often missing real engine problems. Discover why old-school tools like the vacuum gauge still outperform expensive scan tools—and how relying on ...

Simple grey funnel icon against a clean white backdrop. Represents filtration, selection, data processing, or conversion. Ideal for business marketing visuals.