Various manufacturers offer pool lifts ranging from simple manual slings powered with water pressure to complex battery-powered lifts operated by radio remote control; Spectrum Products, Missoula, ...

The University of Bristol has created electrostatic actuators that it claims can lift 1,000 times their own weight, contract by 99.8% of their length, and deliver specific energy and specific power ...

Electric rod-actuators are replacing fluid power actuators for many high-force applications throughout industry. Tasks once limited to hydraulic and pneumatic cylinders such as pressing, holding, ...