jiggle the arm until the pin seats. Install the retaining clips and the mounting pads. Your lift is now physically complete. Fill the hydraulic reservoir and cycle the cylinders while the system ...

Now, a team of engineers and geologists brings a new theory to the table — a hydraulic lift device that would have floated the heavy stones up through the middle of Egypt’s oldest pyramid ...

Jan Scheuermann has been paralyzed from the neck down for years -- but thanks to a cutting-edge robotic arm, she can move and lift things with impressive dexterity. In a new study published ...