The water is then transferred to the pyramid’s network of pipes to power the hydraulic elevator. Credit: Paleotechnic of Paris, France. Engineers might have cracked the code for how the ancient ...

The big picture: Valve is one of the most important and influential companies in the PC gaming market. It's also one of the most unique due to its private nature and unusually small workforce ...

Valve has played around with consoles in the past, particularly with the 'Steam Machine' technology which offers a third-party solution to transform gaming computers into a new form factor, but ...

Abstract: Hydraulic servo systems are generally affected by disturbances, parametric uncertainties, and unmodeled dynamics. In order to improve the tracking performance of hydraulic servo systems, a ...

“The manual controls have an open-center circuit and a full-flow valve block.” The early servo controls required a move to a closed-center hydraulic system and flow sharing valve block ...