This paper addresses the joint estimation and detection of time-varying harmonic components in audio signals. We follow a flexible viewpoint, where several frequency/amplitude trajectories are tracked ...

In this paper, the influence of grid harmonics on the output current of grid-connected inverters with an LCL filter is investigated by means of the output admittance. With the complex transfer model ...

The devastated family of a Canadian tourist who died after her bicycle and a tractor crashed in Co Clare last month have spoken of the kindness of local people who helped them.

The Virginia hip-hop artist’s fifth album Magic, Alive! is an ambitious suite with overstuffed tracks and political overtones. By Mosi Reeves. Mosi Reeves La-Di-Da-Di!

In fact, in the winter of 2016, the editors of National Review, the venerable political journal Mr. Buckley founded in 1955, devoted an entire issue to making the case against Mr. Trump.

In this perspective, we report an opinion on overtone spectroscopy for sensing and discuss the nature of the opportunities perceived for specialists. New spectroscopic strategies can potentially be ...

Hollywood studios and streamers aren’t exactly craving politically provocative shows and movies right now. And that’s what makes the timing of “The Handmaid’s Tale” finale all the more ...

Metasurfaces are versatile tools for manipulating light; however, they have received little attention as devices for the efficient control of nonlinearly diffracted light. Here, we demonstrate ...

On March 6, 2025, Starship’s eighth flight test successfully lifted off at 5:30 p.m. CT from Starbase in Texas. All 33 Raptor engines on the Super Heavy booster started up successfully and completed a ...