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 ...

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 ...

A central piece of a closed crude oil refinery in Convent recently came crashing down as Shell Oil shifts the nearly 60-year-old complex toward making renewable fuels, company officials confirmed. The ...

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 ...

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 ...

Explore one of China’s most breathtaking architectural landmarks — a modern opera house featuring the world’s largest shell structure. This iconic masterpiece is a must-see for architecture lovers, ...

A small team is rescuing a “ridiculous amount” of shells from restaurant trash bins and using them to rebuild oyster habitat in Long Island Sound. Credit... Supported by By Kate Selig Photographs and ...

Temperature plays a pivotal role in the environment, directly affecting the survival, function, and overall health of organisms by shaping their physiological and behavioral responses. Likewise, ...

Thin shell structures are widely used in high-performance engineering due to their favorable strength-to-weight characteristics and capacity for distributed load-bearing. However, traditional ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The Ring Nebula is perhaps one of the most photographed objects in the night sky, dating back to its first image in 1886. Its intrinsic structure has been debated for as long as it has been observed.