edgepedia

Technology and the built world

61,984 articles

Saddlehorn Pipeline

The Saddlehorn Pipeline is a FERC-regulated crude oil pipeline carrying oil from Colorado's DJ Basin to the Cushing, Oklahoma storage and trading hub, opened in 2016.

SAE 304 stainless steel

SAE 304 stainless steel, also known as A2 or 18/8 stainless steel, is an austenitic chromium-nickel steel with roughly 18% chromium and 8% nickel, the most widely used stainless grade.

SAE International

SAE International, formerly the Society of Automotive Engineers, is a US-based professional society founded in 1905 that develops and publishes technical standards for the automotive, aerospace, and commercial-vehicle industries.

SAE J1772

SAE J1772, also known as the J plug or Type 1 connector, is the North American standard for AC charging of electric vehicles, first issued in 1996.

SAE J2735

SAE J2735 is a technical standard from SAE International that defines the message set, data frames, and data elements used by vehicle-to-everything (V2X) communications, first issued in 2006.

SAE J2954

SAE J2954 is an SAE International standard defining interoperability, safety, and performance for wireless charging of parked light-duty electric vehicles at up to 11 kW.

SAE J3016

SAE J3016 is a recommended practice published by SAE International in 2014 that classifies vehicle automation into six levels, from Level 0, no automation, to Level 5, full automation.

SAE steel grades

SAE steel grades, also known as AISI steel grades, are four-digit designations for carbon and alloy steels maintained by SAE International, where the last digits give carbon content.

Saeed David Barbat

Saeed David Barbat is an automotive safety engineer at Ford Motor Company and a member of the National Academy of Engineering, known for crash biomechanics and virtual crash testing.

Saemangeum Seawall

The Saemangeum Seawall (새만금방조제) is a 33.9 km embankment on South Korea's west coast, described as the world's longest seawall, built from 1991 to 2010.

Saetbyol-4 (샛별-4)

Saetbyol-4 (샛별-4), also written Saebyeol-4, is a North Korean high-altitude, long-endurance strategic reconnaissance drone resembling the American RQ-4 Global Hawk, unveiled at a Pyongyang arms exhibition in July 2023.

Saetbyol-9 (새별-9)

Saetbyol-9 (새별-9), also called Saebyeol-9, is a North Korean multi-purpose attack drone modeled on the MQ-9 Reaper, first shown at a July 2023 Pyongyang parade.

Saeul nuclear power plant

The Saeul nuclear power plant (새울원자력, formerly the Shin Kori plant) is a South Korean plant in Ulsan with four 1,400 MW APR1400 reactors, operated by Korea Hydro & Nuclear Power.

SAExploration

SAExploration is a Houston-based geophysical services company that acquires seismic data for oil and gas customers on land, in shallow water, and on the ocean floor, with over 2,000 employees in ten countries.

Safah field

Safah field is an oil field in northwest Oman, discovered in 1983 and producing light 42° API crude from the Shu'aiba reservoir at about 6,500 ft depth.

Safaniya field

Safaniya field (السفانية) is an offshore oil field in the Arabian Gulf off Saudi Arabia, discovered in 1951 and regarded as the world's largest offshore oil field.

Safari (web browser)

Safari is a web browser developed by Apple, first unveiled in 2003 as the default browser on macOS, iPhone, and iPad, built on the WebKit engine.

Safaricom

Safaricom PLC is a Kenyan telecommunications and financial-services company, launched in 2000, that runs Kenya's largest mobile network and the M-PESA mobile money service, launched in 2007.

Safavid architecture of Isfahan

Safavid architecture of Isfahan is chiefly the Naqsh-e Jahan ensemble of mosques, pavilions, bazaar, and bridges begun under Shah Abbas I, who made Isfahan his capital in 1597–98.

Safe

A safe is a secure steel container protecting contents against theft or fire, secured by a key lock, combination dial, or electronic lock, with capability defined by independent certification standards.

Safe Drinking Water Act

The Safe Drinking Water Act (SDWA) is the 1974 United States federal law authorizing the EPA to set national health-based standards for the nation's public drinking water supply.

Safe fall

Safe fall is a set of control strategies that helps humanoid robots fall with minimal damage to themselves, nearby people, and objects, introduced at ICRA 2009.

Safe impact in physical human-robot interaction

Safe impact in physical human-robot interaction (pHRI) limits the force a robot may transfer to a person during contact, so a collision causes at most pain, not injury.

Safe interval path planning

Safe interval path planning (SIPP) is a heuristic search algorithm, introduced by Mike Phillips and Maxim Likhachev in 2011, that finds optimal paths around moving obstacles by searching over collision-free time intervals.

Safe mode

Safe mode, also called safe boot, is a diagnostic mode of an operating system that starts with only minimal drivers and services, on Windows, macOS, and Android.

Safe reinforcement learning

Safe reinforcement learning (safe RL) is the branch of reinforcement learning that learns policies maximizing reward while respecting safety constraints, applied in autonomous driving, robot manipulation, and human-robot interaction.

Safe Routes to School

Safe Routes to School (SRTS) is a public program combining infrastructure, education, and encouragement so children can walk or bicycle to school safely. The US federal program ran from 2005 until 2012.

Safe Superintelligence $32 billion round

The Safe Superintelligence $32 billion round was a $2 billion investment in Ilya Sutskever's AI lab SSI at a $32 billion valuation, reported in 2025.

Safe Superintelligence Inc.

Safe Superintelligence Inc. (SSI) is an American–Israeli AI research company founded in June 2024 by former OpenAI chief scientist Ilya Sutskever, based in Palo Alto and Tel Aviv.

Safe System approach

The Safe System approach is a road safety strategy that treats traffic deaths as preventable system failures, pioneered in the 1990s by Sweden's Vision Zero and the Netherlands' Sustainable Safety.