Abstract: A 71-76GHz traveling wave tube amplifier is successfully developed to meet the demand of future high-data-rate wireless communication, breaking through a series of key core technologies ...

Abstract: The vacuum tube train can break through the difficulties of wheel-rail resistance, air resistance and noise of traditional wheel-rail railways. It can reach ultra-high speed of more than 600 ...

China is developing a next-generation maglev system designed to reach 1,000 km/h by combining magnetic levitation with low vacuum tube travel. This video breaks down how it works, why it goes far ...

Lumberton, Texas-based startup Ecoute Audio made a splash with its first-ever product back in 2023, when it unveiled its TH1 headphones aimed at hi-fi enthusiasts. Ecoute's decided to take things up a ...

Second generation écoute vacuum tube wireless noise cancelling headphones improve comfort and sound in a slightly modified design. What if headphones were not trying to imitate a hi-fi system but ...