Abstract: In this letter, a novel power synthesis scheme is proposed for high-power terahertz (THz) traveling-wave tube (TWT), which features a quadruple folded groove-guide (Q-FGG) slow wave ...

Caleb Williams was one of the most highly regarded quarterback prospects in recent memory when he declared for the 2024 NFL draft. One former NFL GM even said he would have drafted Williams ahead of ...

Using a technique called Resonance Raman spectroscopy, paleontologists have detected hemoglobin remnants in bone extracts from two dinosaur species, Brachylophosaurus canadensis and Tyrannosaurus rex, ...

Tyrannosaurus rex (pictured in a 3D illustration of a fossil skeleton) had the strongest bite of any known land animal, extinct or alive. Credit: Shutterstock Scientists have announced the discovery ...

A dozen Senate Democrats on Tuesday laid out the key principles they hope to see in a bill regulating the cryptocurrency market. The framework, put forward by Sens. Ruben Gallego (D-Ariz.), Mark ...

1 School of Medicine, ShaoXing University, Shaoxing, Zhejiang Province, China 2 Department of Cardiology, Shaoxing People's Hospital, Shaoxing, Zhejiang, China Once considered passive carriers of ...

Thalassemia blood disease as hemoglobin structure deletion outline diagram. Labeled educational scheme with alpha and beta globin subunits disorder vector illustration. Medical illness explanation.

School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, China. Phenolic acids are polyphenols that occur naturally in plants, which are found in a ...

1 School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, China 2 Engineering Laboratory of Advanced Energy Materials, Ningbo Institute of Materials Technology and Engineering, ...

Matthew Vincent, Josh Gates and Pearce Paul Creasman digging in front of the Treasury building in Petra, Jordan Discovery's Expedition Unknown Researchers have unearthed a secret tomb beneath Petra’s ...