Abstract: Carbon nanotubes (CNTs) cold cathode has excellent electron emission characteristics and showed its importance in vacuum electronic device applications. Facing various demand on electron ...

Abstract: The quasi-2-D slow wave structures (quasi-2D SWSs) have mostly widely used in sheet electron beam traveling wave tubes (SEB TWTs) in recent years. This article proposed a new fast ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

This walking tour explores a modern opera house in Zhuhai, China, known for its large shell shaped structure. The building features curved glass panels and a bold architectural form that stands out ...

For the first time, physicists have developed a model that explains the origins of unusually stable magic nuclei based directly on the interactions between their protons and neutrons. Published in ...

Explore Europa's ice shell structure with a fascinating NASA cutaway view revealing cracks and voids extending hundreds of feet below its surface. Watch of third launch of Blue Origin's New Glenn ...

Japanese researchers have described a new species of sea anemone that appears to share a mutually beneficial relationship with hermit crabs. The pale pink sea anemones, now named Paracalliactis ...

Naturi Naughton-Lewis is spilling the tea on some major Cheetah Girls lore. The Power star, who was one-third of 3LW alongside Kiely Williams and Adrienne Bailon-Houghton, says there's a reason that ...

Researchers have created a topological insulator that keeps its quantum properties stable even at higher temperatures, overcoming a key limit of earlier materials. (Nanowerk News) A topological ...

Astronomers have glimpsed the inner structure of a dying star in a rare kind of cosmic explosion called an “extremely stripped supernova”. In a paper published today in Nature, Steve Schulze of ...