And flexible materials replace heavy metal cylinders ... in the video below as the muscles lift and lower 5 kg (11 lbs) each. A search of Hackaday shows hydraulic artificial muscles may be ...

Restoring hydraulic cylinders in heavy machinery involves a detailed process to bring back their functionality. First, the cylinder is disassembled, with careful inspection of parts for wear or ...

A study suggests that the first of seven key pyramids in Egypt, the Step Pyramid of Djoser, was built using a hydraulic lift. Dated to about 4,500 years ago, this would move up the introduction of ...