The world's tallest skyscraper would be five times bigger than the unparalleled Burj Khalifa in Dubai if the 'dream' proposal ...

The X-Seed 4000 was designed in 1995 to be the tallest building in the world - but it was never actually built and here's ...

Abstract: A novel slow wave structure (SWS), flatted grating folded waveguide (FGFW), has been proposed for terahertz (THz) traveling wave tubes (TWTs). Compared to a conventional folded waveguide (FW ...

Abstract: This letter presents the development of a W-band, 1-kW pulsed traveling wave tube (TWT) featuring a pencil beam focused by a periodic permanent magnet (PPM) system with the four-port ...

This remarkable supertall looks likely to make a splash even in skyscraper-packed Dubai. The luxurious residential tower will feature four "SkyParks" integrated into its structure, allowing residents ...

270 Park Avenue, by Foster + Partners, is a new supertall skyscraper that rises to a height of 1,388 ft (423 m) in New York City 270 Park Avenue's main structure is elevated approximately 24 m (80 ft) ...

The Burj Khalifa, Dubai's defining landmark since its completion in 2010, is set to lose its crown. Another new tower rising in the United Arab Emirates (UAE) aims to surpass its height, but the ...

Iconic skylines are one way to immediately identify some cities. Some looming skyscrapers haven't stood the test of time, ending up abandoned or incomplete. Cities must figure out what to do with the ...