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Technology and the built world

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Shwesandaw Pagoda (Pagan)

Shwesandaw Pagoda (ရွှေဆံတော် ဘုရား) is a large Buddhist stupa at Old Bagan in Myanmar, built by King Anawrahta in 1057 after his conquest of Thaton.

Shwezigon Pagoda

Shwezigon Pagoda is a gilded Buddhist stupa at Nyaung-U, near Bagan, Myanmar, begun by King Anawrahta and completed by King Kyansittha in the late eleventh century.

Si‐Shen Feng

Si-Shen Feng (冯思慎) is a professor at the National University of Singapore working on nanomedicine and cancer nanotechnology, known for polymeric nanoparticles and vitamin E TPGS for drug delivery.

SIA Engineering Company

SIA Engineering Company is a Singapore-based provider of aircraft maintenance, repair, and overhaul services, majority owned by Singapore Airlines and serving more than 80 international airlines.

Sia Nemat-Nasser

Sia Nemat-Nasser, born Siavouche Nemat-Nasser in Tehran in 1936, was an Iranian-born American materials scientist and Distinguished Professor at UC San Diego who died in 2021.

SIAI-Marchetti S.211

The SIAI-Marchetti S.211, later Aermacchi S-211, is an Italian turbofan-powered military jet trainer first flown in 1981, serving with the air forces of Singapore, the Philippines, and Haiti.

SIAI-Marchetti SF.260

The SIAI-Marchetti SF.260, later the Leonardo SF-260, is an Italian three-seat, single-engine light aircraft designed by Stelio Frati that became a widely used military primary trainer, with 976 built from 1964 to 2017.

Siam Cement Group

Siam Cement Group (SCG) is a Thai industrial conglomerate headquartered in Bangkok, operating in cement and building materials, chemicals, and packaging. Its parent company was founded in 1913 under King Rama VI.

Siamese neural network

A Siamese neural network runs two inputs through identical weight-sharing subnetworks and compares the outputs, learning whether inputs are similar rather than which class they belong to.

Siarmal Coal Mine

The Siarmal Coal Mine, formally the Siarmal Open Cast Project, is a large open-cast coal mine in Sundargarh district, Odisha, India, operated by Mahanadi Coalfields Limited.

Siavouche Nemat-Nasser

Siavouche Nemat-Nasser (1936–2021) was an Iranian-born American materials scientist, Distinguished Professor at UC San Diego, founding editor of Mechanics of Materials, and a 2001 National Academy of Engineering member.

Sibanye-Stillwater

Sibanye-Stillwater, formerly Sibanye Gold, is a South African mining company spun off from Gold Fields in 2013, producing gold and platinum group metals on five continents.

Siberian Chemical Combine

The Siberian Chemical Combine is a Russian nuclear fuel-cycle enterprise in the closed city of Seversk, Tomsk Oblast. Founded in 1953, it produced plutonium for Soviet weapons and is now Rosatom's principal uranium conversion plant.

Siberian nuclear power plant

The Siberian Nuclear Power Station (Сибирская АЭС) was a dual-purpose Soviet nuclear plant producing weapons-grade plutonium while generating electricity and heat, shut down in 2008.

Sibirskoye Oil Field

Sibirskoye Oil Field (Сибирское месторождение) is an operating onshore conventional oil field in Perm Krai, Russia, near Usolye in the northern Volga-Ural basin, operated by Lukoil-Perm, a LUKOIL subsidiary.

Sibovc Coal Mine

The Sibovc Coal Mine is an open-pit lignite mine in Obiliq, near Pristina, Kosovo, operated by state-owned KEK and supplying the Kosova A and Kosova B power plants since 2010.

Sibur

Sibur (СИБУР), formally PJSC SIBUR Holding, is Russia's largest petrochemical company, founded in 1995 under Gazprom management, which processes associated petroleum gas into polymers, synthetic rubbers, and plastics at 17 production sites.

SiC MOSFET gate-oxide reliability

SiC MOSFET gate-oxide reliability is the ability of the silicon dioxide gate dielectric in silicon carbide power MOSFETs to withstand field, temperature, and switching stress over service life without breakdown.

SiC power modules for rail traction

SiC power modules for rail traction are semiconductor packages built on silicon carbide chips that switch the converters driving electric trains, cutting losses and shrinking equipment.

SiC/SiC composite

A SiC/SiC composite is a ceramic matrix composite of silicon carbide fibers reinforcing a silicon carbide matrix, used in jet engine hot sections and nuclear fuel cladding.

Sichuan Airlines Flight 8633

Sichuan Airlines Flight 8633 was a 2018 flight from Chongqing to Lhasa whose cockpit windshield burst, causing explosive depressurization; Captain Liu Chuanjian landed it safely at Chengdu.

Sichuan Road and Bridge Group

Sichuan Road and Bridge Group is a Chinese state-owned construction company headquartered in Chengdu, Sichuan, listed in Shanghai, one of China's largest road and bridge builders, with projects abroad.

Sichuan-Tibet Railway

The Sichuan-Tibet Railway (川藏铁路) is a 1,543-kilometer railway under construction between Chengdu and Lhasa, with its end sections open and the middle section expected around 2030.

Sichuan–Shanghai Gas Pipeline

The Sichuan–Shanghai Gas Pipeline (川气东送) is a 2,200-kilometer natural gas pipeline built by Sinopec that carries gas from the Puguang gas field in Sichuan to Shanghai.

Sick AG

SICK AG is a German manufacturer of sensors for factory and logistics automation, founded by Erwin Sick in 1946 and headquartered in Waldkirch near Freiburg, known for safety light curtains and LiDAR sensors.

SICK TiM series

The SICK TiM series is a family of compact 2D LiDAR sensors made by SICK AG of Waldkirch, Germany, scanning up to 270° and 25 m at 15 Hz for robotics.

Sickle

A sickle, also known as a reaping-hook or grasshook, is a curved one-handed harvesting tool used to cut cereal crops and grass, and one of the oldest agricultural implements known.

SiCOH low-k dielectric

SiCOH low-k dielectric, also called carbon-doped oxide (CDO) or SiOCH, is an insulator used in integrated circuit wiring to cut interconnect delay, with k values from 3.0 down to 2.2.

Siconos

Siconos is an open-source scientific software package, developed by Inria in Grenoble, France, for modeling and simulating nonsmooth dynamical systems such as contact, friction, and impact problems.

Siddhivinayak Temple, Mumbai

Siddhivinayak Temple, also known as Shree Siddhivinayak Ganapati Mandir, is a Hindu temple dedicated to Ganesha at Prabhadevi in Mumbai, consecrated in 1801 and drawing more than 100,000 visitors daily.