T-Flight: faster by train than by plane
In China, successful tests of a train were carried out, reaching 623 km/h in a vacuum tube. The next stage is 1000 km/h, then the speed will approach...
Soviet tractor T-4 "Altaets" - in some places it is still in service
Everyone has long been accustomed to the fact that wheeled vehicles work in the fields. Crawler tractors are considered unpromising in agriculture. They were written off for construction sites, and even there they prefer wheeled models. But tracked tractors are more maneuverable and stable, especially on uneven fields. Yes and on...
