We tested the best dog collars for small and large dogs. Our top picks are adjustable leather, personalized, reflective, ...

Abstract: Radio-frequency (RF) based Wireless Energy Transfer (WET) enables devices to avoid wired power-supply and battery replacements. The ubiquitous availability of RF energy elevates “energy self ...

Abstract: We report the design of space-time reflective metasurfaces composed by an alignment of elements that can exhibit an In-phase (I) and Quadrature (Q) reflective response.

Matching estimators (Rubin, 1973a, 1977; Rosenbaum, 2002) are widely used in statistical data analysis. However, the large sample distribution of matching estimators has been derived only for ...

With location and activity tracking, the top pet trackers and GPS collars we've tested can help ensure your dog or cat is both safe and healthy. Find out which one is right for your furry companion. I ...

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Pet ownership is no walk in the park. Your pet can go missing, no matter how closely you keep an eye on them. Moreover, dogs and cats can become overweight, just like humans, particularly as they age.