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Paolo Zanardi
Paolo Zanardi is a physicist and professor at the University of Southern California working in quantum information science, known for noiseless quantum codes and holonomic quantum computation.
Papa-Terra Oil and Gas Field
Papa-Terra is a deepwater heavy-oil field in block BC-20 in Brazil's southern Campos Basin, about 110 km off Rio de Janeiro, discovered in 2003, producing since 2013, and operated by Brava Energia.
Paparazzi UAV
Paparazzi UAV is a free, open-source autopilot and ground station software project for drones, founded in 2003 by teachers of the French Civil Aviation University (ENAC) in Toulouse.
Paper
Paper is a thin sheet material made of cellulose fibers drained on a screen, pressed, and dried into a bonded mat, used for writing, printing, and packaging.
Paper clip
A paper clip, also known as a gem clip, is a small bent-wire device that holds sheets of paper together by friction and spring pressure without puncturing them.
Paper coating
Paper coating is the application of a pigmented coating color to base paper or paperboard to improve smoothness, gloss, and printing characteristics for uses such as printing and packaging.
Paper plane
A paper plane, also called a paper airplane, is a toy glider made by folding a sheet of paper, typically thrown by hand and flown without an engine.
Paper recycling
Paper recycling converts used paper and paperboard into pulp that can be manufactured into new paper products; the United States recycled about 45 million tons in 2025.
Paper sack
A paper sack is a flexible packaging container made of paper, used to ship and store bulk dry goods such as cement, flour, and animal feed.
Paper size
Paper size, also known as paper format, is a standardized sheet dimension, best known through the ISO 216 A series, whose A4 is the international standard for correspondence.
Paper sizing
Paper sizing is the treatment of paper with chemicals to control how liquids wet or penetrate it, keeping ink held out for writing and printing.
Paper towel
A paper towel is a disposable, absorbent sheet of tissue paper used for drying hands and wiping spills, first marketed in 1907 by the Scott Paper Company of Philadelphia.
PaperBench
PaperBench is an OpenAI benchmark, released in April 2025 and peer-reviewed at ICML 2025, that tests whether AI agents can reproduce machine learning papers from scratch.
Paperboard
Paperboard, also known as cartonboard or duplex board, is a thick, stiff paper-based material, generally heavier than 150 grams per square meter, made into boxes, cartons, and rigid packaging.
Papermaking
Papermaking is the process of converting plant fibers, chiefly cellulose from wood or recovered paper, into sheets; it was invented in China, credited to Cai Lun in 105 CE.
Papermaking in Persia
Papermaking in Persia is the history of paper (kāḡaḏ) production in the Iranian lands, where rag-fiber papermakers developed sized, dyed, and burnished sheets prized for calligraphy and book arts.
PaPeRo
PaPeRo is a personal communication robot developed by NEC in Japan, designed to interact with people at home through speech recognition, speech synthesis, and face recognition.
Paperspace
Paperspace was an American cloud computing company offering low-cost GPU virtual machines and the Gradient machine learning platform; DigitalOcean acquired it for $111 million in 2023.
Pappy Boyington
Pappy Boyington, born Gregory Boyington, was a US Marine Corps fighter pilot and the highest-scoring Marine ace of World War II, with 28 Japanese aircraft credited.
PAPU'S HOUSE
Papu's House is a 36 m² beachfront holiday apartment at Vicolo Fondaco Porta di Mare 8 in Salerno's old town, Italy, hosted by Caterina Firmani; licensed short-term rental rated 8-8.5/10 for its central location.
Papyrus
Papyrus is a writing material made from the pith of the sedge Cyperus papyrus, invented by the ancient Egyptians and used across Egypt and the Mediterranean for about 4,000 years.
Parabe/Eko Oil and Gas Field
The Parabe/Eko Oil and Gas Field is an operating conventional oil and gas field offshore Nigeria on the Niger Delta continental shelf, operated by Chevron Nigeria Limited with NNPC.
Parabellum
Parabellum is the name shared by the German Luger pistol, adopted in 1908, and the 9×19mm cartridge created for it, now the world's most widespread military handgun round.
Parabolic dish concentrator
A parabolic dish concentrator is a dish-shaped solar collector that focuses sunlight onto a receiver at its focal point, holding the highest recorded CSP efficiency, 31.25 percent.
Parabolic trough
A parabolic trough is a line-focus concentrating solar power system in which long parabolic mirrors focus sunlight onto a receiver tube, heating a fluid that drives a turbine to generate electricity.
Parachute
A parachute is a fabric device that slows the descent of people or objects by drag, serving skydiving, military airdrop, emergency escape, and spacecraft recovery.
Parachute cord
Parachute cord, also known as paracord or 550 cord, is a lightweight nylon kernmantle cord first used in US military parachutes during World War II.
Parachute Oil and Gas Field
The Parachute Oil and Gas Field is a natural gas field in Garfield County, western Colorado, in the southern Piceance Basin, opened by Barrett Resources in 1986.
Parachutist Badge (United States)
The Parachutist Badge, commonly called jump wings, is the United States Army's oldest special skill badge, awarded for parachute qualification, designed by William P. Yarborough and approved in 1941.
Paradesi Synagogue
The Paradesi Synagogue, also called the Mattancherry Synagogue, is a synagogue in Mattancherry, Kochi, India, built in 1568 and the oldest active synagogue in India.