A new Echo Dot Max and Echo Studio have upgraded hardware and, of course, come with Alexa+ on board.

Ryobi produces a number of powerful yard tools, including its cordless string trimmer, but what do users who have tried the ...

Amazon Alexa is already a solid smart assistant, but a few clever tweaks and lesser-known features can take your experience to the next level. Here's how to make the most of it.

Abstract: This paper presents a new class of in-line rectangular waveguide filters with source-to-load (S-L) coupling for generating transmission zeros (TZs). The easiest way to obtain a direct S-L ...