Technology and the built world

Shield machine components and systems

A shield machine is a tunnel boring machine whose cylindrical steel shield protects workers as it excavates a tunnel and erects its segmental lining in one operation.

Shield tunnelling incidents and failures

Shield tunnelling incidents and failures are the collapses, blowouts, and face-loss events during shield-machine excavation, including cases such as Singapore's Nicoll Highway collapse of 2004.

Shielded cable

Shielded cable, also known as screened cable, is an electrical cable wrapped in a conductive foil or braid layer that blocks electromagnetic interference from reaching its conductors.

Shielded metal arc welding

Shielded metal arc welding, also called stick welding or manual metal arc (MMA) welding, is an arc welding process that joins metals using a flux-coated consumable electrode.

Shielded transfer cask

A shielded transfer cask is a heavily shielded container used to move highly radioactive materials, most often spent nuclear fuel, between locations while protecting personnel from radiation.

ShieldGemma

ShieldGemma is a family of open-weights safety content moderation classifiers from Google DeepMind, built on Gemma, first released in July 2024 to check text for four harm categories.

Shielding angle

The shielding angle, also called the protection angle, is the angle from vertical between an overhead ground wire and the phase conductor it protects on a transmission line.

Shift key

The Shift key is a modifier key on typewriter and computer keyboards that capitalizes letters and produces upper symbols, named for the carriage it once physically shifted, introduced in 1878.

Shift register

A shift register is a sequential logic circuit built from chained flip-flops that shifts binary data one bit per clock edge, used for serial-to-parallel conversion, delay, and signal generation.

Shift Up

Shift Up is a South Korean video game developer founded in 2013, known for the mobile game GODDESS OF VICTORY: NIKKE and the action game Stellar Blade.

Oct 26, 2026

Shift-left data processing moves data quality checks, governance, and processing to the point of data creation instead of downstream fixes. Also called data shift left; built on data contracts and early classification; the 1-10-100 cost rule and producer ownership distinguish it from pipeline-then-fix approaches.

Sep 29, 2026

Shifted boundary method

The shifted boundary method (SBM) is an immersed finite element method that solves partial differential equations on a simpler surrogate domain, avoiding cut cells and boundary-fitted meshing.

Shigeo Maruyama

Shigeo Maruyama (丸山茂夫, born 1960) is a Japanese mechanical engineer and Distinguished Professor at the University of Tokyo, known for inventing the ACCVD method of growing carbon nanotubes.

Shigeo Shingo

Shigeo Shingo (新郷重雄, 1909–1990) was a Japanese industrial engineer who trained thousands of Toyota managers from about 1955 to 1980 and developed the SMED setup-reduction method and poka-yoke mistake-proofing.

Shigetai Coal Mine

Shigetai Coal Mine (石圪台煤矿) is a large underground coal mine in Shenmu, Shaanxi, China, operated by China Shenhua Energy with a capacity of 12 million tonnes per year.

Shih Choon Fong

Shih Choon Fong is a Singaporean fracture mechanics researcher, president of the National University of Singapore from 2000 to 2008 and founding president of KAUST from 2008 to 2013.

Shih-Fu Chang

Shih-Fu Chang (张世富) is a Taiwanese-American computer scientist and electrical engineer known for computer vision and multimedia retrieval, Dean of Columbia Engineering since 2022 and a National Academy of Engineering member.

Shih-Ying Lee

Shih-Ying Lee (李诗颖) was a Chinese-born American mechanical engineer and longtime MIT professor, an expert in process control and instrumentation who co-founded Dynisco and Setra Systems.

Shiheng-2 power station

Shiheng-2 power station (国电石横发电厂) is an operating coal-fired power station in Shiheng, Feicheng, Shandong, China, with six subcritical bituminous-coal units totaling 1,920 MW, opened between 1987 and 2008.

Shihlin Electric

Shihlin Electric & Engineering Corporation (SEEC) is a Taiwanese heavy electrical equipment manufacturer founded in 1955 and headquartered in Taipei, listed on the Taiwan Stock Exchange since 1969.

Shika nuclear power plant

The Shika nuclear power plant (志賀原子力発電所) is a two-reactor plant in Ishikawa, Japan, operated by Hokuriku Electric Power; both units have been offline since 2011.

Shikoku Electric Power

Shikoku Electric Power (四国電力) is a Japanese electric utility, one of nine regional utilities established in 1951, headquartered in Takamatsu and supplying electricity to Shikoku's four prefectures.

Shikoku Tachibana-wan power station

Shikoku Tachibana-wan power station (橘湾発電所, Tachibanawan Hatsudensho) is a 700 MW coal-fired power plant operated by Shikoku Electric Power in Anan, Tokushima Prefecture, Japan, since June 2000.

Shikun & Binui

Shikun & Binui (שיכון ובינוי, Hebrew for Housing and Construction) is an Israeli infrastructure and real estate group headquartered at Airport City, tracing to Solel Boneh in 1920 and active in about twenty countries.

Shillelagh

A shillelagh, or shillalah, is a traditional Irish walking stick made from blackthorn, oak, or holly, with a knobbed head that served as a weapon in Irish faction fights.

Shima Seiki

Shima Seiki (島精機製作所) is a Japanese manufacturer of computerized flat knitting machines, design systems, and cutting equipment, founded in 1962 in Wakayama, Japan, and known for its WHOLEGARMENT seamless knitting machines.

Shimano (株式会社シマノ)

Shimano (株式会社シマノ) is a Japanese manufacturer of bicycle components, fishing tackle, and rowing equipment. Founded in Sakai, Osaka, in 1921, it became the dominant supplier of bicycle drivetrain components worldwide.

Shimen power station

Shimen power station (石门电厂) is a four-unit, 1,200 MW coal-fired power station in Shimen County, Changde, Hunan, China, opened in 1996 and expanded with 660 MW ultra-supercritical units in 2026.