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Researchers develop a new AI-powered algorithm that significantly improves the energy efficiency of a wirelessly powered communication network.
Radio Frequency (RF) signals are electromagnetic radiations used in wireless communication. RF signals transmit information and carry an inherent small electrical energy component. Emerging technology harvests this electrical energy and powers many wireless devices (called nodes) over a wide area, such as medical implants or IoTs.
A new cooling model gave better predictions of the strength and ductility of cast iron
Cast iron, an alloy of iron with carbon, is widely used for making machine and automobile parts. In its liquid form, it flows easily, hence can be poured into moulds, offering intricate detailing in the part shape. It may be less ductile and malleable than wrought iron or less stiff than steel, but it has a lower melting point than other forms of iron and cannot be compressed easily.
Researchers probe properties of the new material, say better for micro- and nanodevices.
Air travel these days has become pretty smooth, with passengers feeling very little vibrations while seated in the cabin. Engineers install palm-sized devices on the aircraft wings and cabin windows to dampen the vibrations from the huge aircraft turbine engines and the surrounding atmosphere. These devices are made of piezoelectric materials, which generate a large vibration-cancelling force when an electric signal is applied.
