Abstract: Coprime arrays (CAs) are found to be captivating for striking a balance among the increased number of degrees of freedom (DOFs), reduced mutual coupling and applicable aperture. However, ...

Ever hit a bump where a bridge meets a road? You’re not alone — it happens on a quarter of all U.S. bridges. The cause? Embankments made of compacted soil settle, while bridges don’t. One surprising ...

Shark teeth are "highly developed weapons built for cutting flesh" Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But ...

Liverpool have had defensive issues all season. Fitness, form and misfortune have all played their part. And now options across the backline are scarily thin. Conor Bradley is the latest addition to ...

Chelsea are looking to sign a centre back this summer and are admirers of Rennes defender Jeremy Jacquet according to reports. The Blues tried to sign Dean Huijsen from Bournemouth last summer, but ...