Some ancient death penalty causes many people to shiver when they hear their names.
The process of speeding trucks for passenger cars can be explained in terms of soft collision phenomenon, in which the skill of the driver and truck weight are two decisive
Elisha Graves Otis' invention of elevator brakes is considered the most important breakthrough of the nineteenth century, as it represents the development of skyscrapers.
A group of students in the United States has built a bicycle that produces electricity during rolling on the road.
German experts have successfully tested the wireless bike brakes, with a 99.9% operating result, paving the way for similar brakes on planes and trains.