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All articles starting with P

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Physical (Olivia Newton-John song)

"Physical" is a 1981 dance-pop single by Olivia Newton-John, written by Steve Kipner and Terry Shaddick, produced by John Farrar. It spent 10 weeks at Billboard Hot 100 #1, was Billboard's 1982 #1 single, peaked at UK #7, and its aerobics video won a Video of the Year Grammy.

Physical (TV series)

Physical is an Apple TV+ dark comedy-drama (2021–2023) created by Annie Weisman, starring Rose Byrne as 1980s San Diego housewife Sheila Rubin, who builds an aerobics empire while battling an eating disorder; three seasons, 30 episodes, ended September 27, 2023.

Physical 100: Italy

Physical 100: Italy (Physical Italia: da 100 a 1) is the Italian adaptation of the Korean Netflix reality competition Physical: 100: 100 contestants, 8 episodes, Lingotto Turin, Endemol Shine Italy, premiered September 11, 2026, 100,000-euro prize.

Physical 100: USA

Physical 100: USA (Physical: USA) is Netflix's upcoming American adaptation of the Korean reality competition Physical: 100, produced with A. Smith & Co., casting 100 US athletes; filmed in Toronto in 2026, release date unannounced.

Physical abuse

Physical abuse: intentional use of physical force causing injury, a form of child maltreatment alongside sexual abuse, emotional abuse, and neglect; global pooled prevalence 22.6%, distinct from corporal punishment by definition but overlapping in practice.

Physical artificial intelligence

Physical artificial intelligence, or physical AI, is artificial intelligence embedded in machines that sense, decide, and act in the physical world, including robots, autonomous vehicles, and drones.

Physical attractiveness

Physical attractiveness is the degree to which a person's face and body are judged appealing. Also called beauty; studied via averageness, symmetry, sexual dimorphism, the halo effect, the beauty premium, and cross-cultural variation in standards.

Physical attractiveness stereotype

The physical attractiveness stereotype, also called attractiveness bias, is the tendency to see attractive people as having better traits and life outcomes, summarized as "what is beautiful is good."

Physical capital

Physical capital is the stock of produced, durable means of production, such as machinery, equipment, and structures, that contributes to production over two or more time periods.

Physical change

A physical change, also called a physical reaction, is a change in the state, form, or properties of matter that leaves chemical composition unchanged, like melting ice.

Physical chemistry

Physical chemistry, also called phys chem, is the branch of chemistry that applies physics to chemical interactions, studying how matter behaves and reactions occur on the molecular level.

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is a peer-reviewed scientific journal published by the Royal Society of Chemistry since 1999, covering physical chemistry, chemical physics, and biophysical chemistry.

Physical climate risk

Physical climate risk is the financial risk from climate hazards such as extreme weather and sea level rise reducing the value of assets like real estate.

Physical conditions

Physical conditions: the physical environment component of the determinants of health, covering safe water, clean air, housing, workplaces, and roads, with historical roots in the 1840s public health movement and occupational medicine.

Physical constant

A physical constant is a quantity that appears in the basic equations of physics and is believed invariant, such as the speed of light and the Planck constant.

Physical cosmology

Physical cosmology, also called cosmophysics, is the branch of physics and astronomy that studies the origin, composition, structure, and evolution of the universe as a whole.

Physical disability

Physical disability: limitation in mobility, dexterity, or stamina, framed by the WHO ICF as impairment plus activity and participation restrictions. Over a billion people affected worldwide; 1 in 4 U.S. adults; shaped by medical, social, and biopsychosocial models and disability rights law.

Physical education

Physical education (PE, 体育课, éducation physique) is the school subject teaching movement skills, fitness, and health knowledge; typically under 50% of lesson time is MVPA, and two-thirds of secondary pupils worldwide miss minimum weekly PE.

Physical Electronics (company)

Physical Electronics is an American manufacturer of surface analysis instruments, including XPS, Auger, and TOF-SIMS systems, formed in 1969 as a University of Minnesota spin-off and owned by Japan's ULVAC-PHI since 2003.

Physical Evidence

Physical Evidence is a 1989 American courtroom crime thriller directed by Michael Crichton, starring Burt Reynolds as a suspended Boston detective on trial for murder, with Theresa Russell as his public defender.

Physical examination

Physical examination: bedside assessment using inspection, palpation, percussion, and auscultation. Covers exam structure, sign accuracy (median LR+ 3.4), the annual check-up debate, Medicare wellness visits, POCUS, and OSCE-based certification.

Physical Exertion

Physical exertion (physical effort, exercise intensity) is energy expenditure during physical activity, measured by oxygen consumption, heat production, heart rate, or Borg's perceived exertion scales; central to exercise prescription and thermoregulation.

Physical fitness

Physical fitness is a set of attributes people have or achieve relating to the ability to perform physical activity, described through components such as cardiorespiratory fitness and strength.

Physical geography

Physical geography, also known as physiogeography, is the branch of geography that studies Earth's natural environment and the processes shaping its surface, including landforms, climate, vegetation, soils, and hydrology.

Physical Graffiti

Physical Graffiti, Led Zeppelin's sixth studio album, is a double LP released February 24, 1975. It was released on Swan Song Records and achieved No. 1 chart status.

Physical human-robot interaction control

Physical human-robot interaction control is the branch of robot control regulating forces exchanged when a robot contacts a person or environment, chiefly via impedance and admittance control.

Physical Intelligence Inc.

Physical Intelligence Inc., also known as Physical Intelligence, is a San Francisco AI startup founded in 2024 by researchers from Google DeepMind, Stanford, and UC Berkeley that builds foundation models controlling robots.

Physical intimacy

Physical intimacy is bodily closeness between people, spanning sexual contact and non-sexual touch such as hugging and hand-holding. Distinguishing facts: it calms stress via cortisol and oxytocin pathways, follows bond-strength touch maps across cultures, and is governed by cultural, gendered, historical, and legal norms.

Physical layer

The physical layer, or OSI layer 1, is the first layer of network architecture, conveying bit streams between devices as electrical, radio, or optical signals.

Physical mapping (genetics)

Physical mapping in genetics orders DNA fragments into chromosome-scale maps using restriction fingerprinting, STS markers, and FISH, and provided the scaffold for sequencing the human genome.