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A metamaterial absorber is a form of metamaterial designed to effectively absorb electromagnetic radiation, such as light. These intriguing structures are designed to efficiently absorb…

Regenerative braking is an energy recovery technique that slows a moving vehicle or item by transforming its kinetic or potential energy into a form that…

Negative thermal expansion (NTE) is a unique physicochemical process in which some materials contract when heated rather than expanding, as most other materials do. It…

Thermal expansion describes the tendency of materials to alter shape, area, and volume in response to temperature variations. It is the tendency of matter to…

An angle seat piston valve is a pneumatically operated valve with a piston actuator that provides linear actuation to lift a seal from its seat.…

A piston valve is a device that controls the flow of a fluid or gas through a tube or pipe by moving a piston within…

A pinch valve is a valve that controls the flow of a fluid (liquid or gas) by pinching a flexible tube or sleeve to restrict…

A flow limiter or flow restrictor is a device that restricts the flow of a fluid, typically a gas or liquid. It is a device…

A mass flow meter, also known as an inertial flow meter, is a device that measures the mass flow rate of a fluid as it…

A flow control valve controls the flow or pressure of fluid. It is a mechanical device that controls the flow rate of a fluid, such…

An ignitron is a gas-filled tube used as a controlled rectifier that dates from the 1930s. It is a gas-filled tube that is mostly utilized…

Dynamic Voltage Scaling (DVS) is a technology used in current CPUs, particularly in low-power embedded systems, to dynamically modify the operating voltage and frequency of…