The Tupolev TB-3 was a machine that looked impossible even by 1930s standards - an all-metal, four-engine bomber so large and strange that it carried smaller fighter planes strapped to its wings. It ...

The Tupolev TB-3 was one of the most audacious aircraft ever built - a massive all-metal, four-engine bomber that pushed 1930s engineering to its limits. From its radical design to its combat missions ...

Abstract: The ubiquitous planes and structural consistency are the most apparent features of indoor multi-story buildings compared with outdoor environments. In this paper, we propose a tightly ...