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Technology and the built world

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Powel Crosley Jr.

Powel Crosley Jr. (1886–1961) was an American inventor, industrialist, and broadcaster from Cincinnati, Ohio, called the Henry Ford of Radio, who ran WLW and owned the Cincinnati Reds.

Power amplifier classes

Power amplifier classes, also known as amplifier classes, are letter designations A through H and beyond that classify power amplifiers by how their output devices conduct, trading linearity against efficiency.

Power and force limiting

Power and force limiting (PFL) is a collaborative-robot safeguarding mode under ISO 10218-1 and ISO/TS 15066:2016 that permits human contact, allowing robots to share workspaces without physical barriers.

Power and Water Utility Company for Jubail and Yanbu

The Power and Water Utility Company for Jubail and Yanbu, known as Marafiq, is a Saudi utility serving the Jubail and Yanbu industrial cities since 2003.

Power Apps

Power Apps is a Microsoft suite of apps, services, and connectors for building custom business applications, introduced in 2015 and part of Microsoft Power Platform alongside Power Automate.

Power Assets

Power Assets Holdings Limited, known until 2011 as Hongkong Electric Holdings, is a Hong Kong-listed investment company holding electricity, gas, and renewable energy utilities across several countries.

Power capping

Power capping is the practice of limiting the electrical power a computer component, server, or group of servers may draw, enforced from the processor up to the facility level, as with Intel RAPL.

Power coefficient of reactivity

The power coefficient of reactivity (PCR) is the change in a nuclear reactor's reactivity per percent change in power, summing the fuel temperature, moderator temperature, and void coefficients.

Power Construction Corporation of China

Power Construction Corporation of China (POWERCHINA, 中国电力建设集团有限公司) is a wholly State-owned group founded in 2011 that builds hydropower projects including the Three Gorges and Baihetan stations.

Power control (wireless networks)

Power control in wireless networks is the family of algorithms that adjust each transmitter's power so links meet signal-quality targets while limiting interference and saving battery life, standardized in LTE and 5G.

Power Court Stadium

Power Court Stadium is a planned 25,000-seat football stadium in Luton, England, approved in December 2024 as the new home of Luton Town Football Club, targeted to open for the 2028/29 season.

Power cycling test

A power cycling test (PCT) is an accelerated reliability test that repeatedly heats a power semiconductor device to expose fatigue in bond wires and solder.

Power delivery network

A power delivery network, also called a power distribution network, is the complete electrical path carrying current from voltage regulators through boards and packages to an integrated circuit's transistors.

Power distribution unit

A power distribution unit (PDU) splits one electrical input feed across multiple outlets, most often as a rack PDU that supplies servers and storage in data center racks.

Power dividers and directional couplers

Power dividers and directional couplers are passive microwave components used to split or sample radio-frequency power along transmission lines, common in transmitters, antenna arrays, and network analyzers.

Power electronics

Power electronics is the branch of electrical engineering that converts and controls electric power using semiconductor switches, spanning watts to megawatts in applications like solar inverters and electric vehicles.

Power engineering

Power engineering, also called power systems engineering, is the branch of electrical engineering concerned with generating, transmitting, distributing, and using electric energy safely and reliably.

Power factor correction

Power factor correction (PFC) is the set of techniques used to raise an electrical load's power factor toward unity, most often with capacitor banks or active boost converters.

Power flow calculation

A power flow calculation, also called load flow, is a numerical method that computes the steady-state operating point of an electrical grid, giving bus voltages and line power flows.

Power for All

Power for All is a global campaign and nonprofit founded in 2014 to end energy poverty by accelerating decentralized renewable energy like mini-grids and rooftop solar in developing countries.

Power gating

Power gating is a circuit technique that reduces leakage power of inactive logic by disconnecting it from the supply through sleep transistors, widely used in low-power chip design.

Power Glove

The Power Glove was a motion-sensing controller for the Nintendo Entertainment System, released by Mattel in October 1989 and remembered as the first mass-marketed gesture-based game controller.

Power Grid Corporation of India (पावर ग्रिड कॉर्पोरेशन ऑफ़ इंडिया लिमिटेड)

Power Grid Corporation of India Limited, known as POWERGRID, is India's largest state-owned power transmission utility, a Government of India Maharatna enterprise incorporated in 1989.

Power inverter

A power inverter, also known as a voltage inverter or DC-to-AC converter, is an electronic converter that changes direct current into alternating current at a chosen voltage and frequency.

Power Mac G4

The Power Mac G4, also known as the Power Macintosh G4, is a line of professional Macintosh computers sold by Apple from 1999 to 2004.

Power Mac G5

The Power Mac G5, also known as the Power Macintosh G5, was Apple's 64-bit PowerPC workstation tower, announced in June 2003 and sold until Apple's 2005 Intel transition.

Power Macintosh

The Power Macintosh, later shortened to Power Mac, is a line of Macintosh desktop computers sold by Apple from 1994 until 2006, built around PowerPC processors.

Power MOSFET

A power MOSFET is a voltage-controlled transistor built to switch large currents at high speed in power conversion circuits, with vertical current flow through the silicon.

Power of Siberia

Power of Siberia (Сила Сибири) is a natural gas pipeline operated by Gazprom from eastern Siberian fields to China, the first to carry Russian gas directly there.

Power of Siberia 2

Power of Siberia 2 is a proposed gas pipeline that would carry up to 50 billion cubic meters of Russian gas yearly to China through Mongolia.