A pool cleaning tool includes a front housing and a rear housing coupled together, an intake, an outlet, a turbine disposed within the front and rear housings, and a three-way diverter valve proximate the intake. The tool includes an abrasive member, rigidly coupled to the turbine, mounted outside the front and rear housings for rotation with the turbine. The three-way diverter valve has an on position in which water drawn into the intake is communicated into the tool, up to the turbine, and then out the outlet, thereby imparting rotation to the turbine and to the abrasive member.

A method of using a bagged power generation system comprising windbags and waterbags integrated with drones and adapting drone technologies for harnessing wind and water power to produce electricity. An extremely scalable and environmentally friendly method, system, apparatus, equipment, techniques and ecosystem configured to produce renewable green energy with high productivity and efficiency.

According to various embodiments, a direct air capture system includes: a wind turbine that includes at least one blade that includes one or more openings, wherein, in operation, first air flows across the at least one blade, causing the wind turbine to generate electrical energy, and causing the one or more openings to receive second air; a conduit that fluidly couples the one or more openings to a carbon dioxide (CO.sub.2) adsorption chamber that includes one or more amine-based CO.sub.2 adsorbers, wherein, in operation, the CO.sub.2 absorption chamber receives the second air via the one or more openings; and a carbon desorption apparatus that desorbs CO.sub.2 from the one or more amine-based CO.sub.2 adsorbers.

A data center is cooled by a cryogenic cooling system which is wind driven, and powered by energy stored in the cryogenic liquid. The cooling occurs through downwardly passing cryogenic liquid which is recycled and pushed back to a top of a system in a cyclic manner.

There is disclosed a system and method for streaming of volumetric three-dimensional video content. The system includes a separate rendering server and display device such that the rendering server receives pose and motion data from the mobile device and generates completed frames of video for the mobile device. The frames of video are transmitted to the mobile device for display. Predictive algorithms enable the rendering server to predict display device pose from frame-to-frame to thereby reduce overall latency in communications between the rendering server and display device.

A method of using a bagged power generation system comprising windbags and waterbags integrated with drones and adapting drone technologies for harnessing wind and water power to produce electricity. An extremely scalable and environmentally friendly method, system, apparatus, equipment, techniques and ecosystem configured to produce renewable green energy with high productivity and efficiency.

This invention relates to a wave energy recovery apparatus with an energy transfer arrangement comprising at least a base, a reciprocating panel, a pivot shaft for the reciprocating panel, a control system, and a driving and power-take-off (PTO) arrangement equipped with an actuating mechanism (6), and one or more power-take-off (PTO) units to convert kinetic energy of waves or tidal currents to another type of energy, each PTO unit comprising a hydraulic power transmission mechanism having hydraulic cylinders with pistons inside the hydraulic cylinders. The pistons are fastened with their free ends to the common connecting plate that is arranged to move all the pistons simultaneously inwards into the hydraulic cylinders and to draw all the pistons simultaneously outwards from the hydraulic cylinders.

The hydraulic power recovery turbine comprises a casing and a rotor arranged for rotation in the casing. The rotor comprises a rotor shaft and at least one impeller mounted on the rotor shaft. The rotor shaft is supported by bearings arranged in respective bearing housings. The drive-end bearing housing further houses a clutch, which connects the rotor shaft to an output shaft of the hydraulic power recovery turbine extending from the drive-end bearing housing.

A method of using a bagged power generation system comprising windbags and waterbags integrated with drones and adapting drone technologies for harnessing wind and water power to produce electricity. An extremely scalable and environmentally friendly method, system, apparatus, equipment, techniques and ecosystem configured to produce renewable green energy with high productivity and efficiency.

A thermal engine includes a thermal battery with a thermal mass for storing regenerative wind and solar energy using a solar lens and mechanical friction generated by the rotation of a wind turbine. The thermal engine comprises a thermal battery; a thermal engine; means of charging the thermal battery using natural energy including a solar lens; a wind turbine; and charging by electrical means. The invention further comprises a means of converting stored thermal energy to mechanical power using non-combustible fluids to drive devices such as an electric generator, a water pump; a means of using said thermal energy to directly heat homes and industrial facilities; a means of using said thermal energy for cooling homes and industrial facilities.