The modulation of phononic frequency comb (PFC), as a ruler of frequency, is complex and flexible via different pump methods and microelectromechanical systems (MEMS) devices. This article reports a ...

Radio spectrum is pricey. Operators drop billions at auction to lock down licensed frequency bands, and every single ...

AS a mother of two sons, Dominique Stone was used to her children developing selective hearing, especially when it came to carrying out household chores. But appearing to ignore instructions can ...

Applied physicists in the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have discovered a new way to generate ultra-precise, evenly spaced "combs" of laser light on a ...

Abstract: An efficient isolated dc–dc converter requires an information link between the isolated sides for power regulation and performance optimization. Talkative power converter (TPC) technology ...

Kenya has been using analogue radio, which uses either amplitude modulation (AM) or FM. FM is adopted widely because it gives ...