Technology and the built world

Keh-Chyuan Tsai (蔡克铨)

Keh-Chyuan Tsai (蔡克铨) is a Taiwanese structural engineer and professor at National Taiwan University, elected to the US National Academy of Engineering in 2022 for earthquake engineering research.

Kehlsteinhaus

Kehlsteinhaus, known in English as the Eagle's Nest, is a chalet built in 1938 at 1,834 meters on the Kehlstein near Berchtesgaden as a tea house for Adolf Hitler.

Kei car

The kei car, or keijidōsha (軽自動車, "light automobile"), is a Japanese legal category of very small cars and trucks with 660 cc engines, created in 1949.

Kei truck

A kei truck, known in Japan as keitora, is a small pickup truck built to Japan's kei-car rules, ubiquitous in Japanese farming, forestry, and delivery.

Keikyu (京急)

Keikyu, formally Keihin Kyuko Electric Railway, is a Japanese private railway company founded in 1899 that runs from Shinagawa through Yokohama to the Miura Peninsula and serves Haneda Airport.

Keikyū Airport Line (京急空港線)

Keikyū Airport Line, or 京急空港線, is a 6.5 km Keikyu railway line in Ōta, Tokyo, from Keikyu Kamata to Haneda Airport's terminals, opened in 1902.

Keikyū Main Line (京急本線)

Keikyū Main Line (京急本線), also called the Keihin Kyuko Main Line, is a 56.7 km commuter and airport-access railway in Tokyo and Kanagawa, running from Shinagawa through Yokohama to Uraga.

Keikyu N1000 series

The Keikyu N1000 series (京急新1000形) is a commuter electric multiple unit run by Keikyu since 2002, built for through services onto the Toei Asakusa Line.

Keisei Electric Railway

Keisei Electric Railway (京成電鉄) is a Japanese private railway operator in Chiba and eastern Tokyo, best known for the Skyliner express linking central Tokyo to Narita Airport.

Keith Edward Knipling is an American materials scientist at the U.S. Naval Research Laboratory studying structural alloys, atom-probe tomography, and electron microscopy; he received a 2011 PECASE award.

Keith Ferris

Keith Ferris (born 1929) is an American aviation artist known as the "Dean of American Aviation Art," who painted two 75-foot murals for the Smithsonian's National Air and Space Museum.

Keith H. Coats

Keith H. Coats (1934–2016) was an American petroleum engineer who pioneered numerical reservoir simulation and was elected to the National Academy of Engineering in 1988.

Keith K. Millheim

Keith K. Millheim is a petroleum and drilling engineer elected to the National Academy of Engineering in 1990 and awarded the 2006 Anthony F. Lucas Gold Medal.

Keith P Johnston

Keith P. Johnston is an American chemical engineer at the University of Texas at Austin known for colloid and interface science, including water/CO2 microemulsions and silicon nanowires.

Keith Pardee

Keith Pardee is a Canadian synthetic biologist at the University of Toronto known for freeze-dried paper diagnostics for Zika and Ebola and portable biomolecular manufacturing.

Keith Uncapher

Keith Uncapher (1922–2002) was an American computer scientist who founded USC's Information Sciences Institute in 1972, after directing computer science research at RAND, and was elected to the National Academy of Engineering in 1998.

Keith William Hipel

Keith William Hipel is a Canadian systems design engineer at the University of Waterloo known for conflict resolution and decision-making techniques, elected to the US National Academy of Engineering in 2016.

Keiyō Line (京葉線)

The Keiyō Line (京葉線) is a 43 km JR East railway from Tokyo Station to Soga in Chiba along Tokyo Bay, the main rail access to Tokyo Disney Resort.

Kela 2 Gas Field

Kela 2 Gas Field (克拉2气田) is a superpressured dry gas field in the Tarim Basin, Xinjiang, China, and the principal gas source of the West-East Gas Pipeline.

Kelag

Kelag (Kärntner Elektrizitäts-Aktiengesellschaft) is an Austrian energy company headquartered in Klagenfurt, Carinthia. Founded in 1923 as KÄWAG, it grew from a regional supplier into a group generating entirely renewable electricity, gas, and heat.

Kelameili Gas Field

The Kelameili Gas Field is a large onshore natural gas field in the Junggar Basin, Xinjiang, China, operated by PetroChina and producing from Carboniferous volcanic rock.

Keliber

Keliber Oy is a Finnish mining company majority owned by Sibanye-Stillwater that mines spodumene and produces battery-grade lithium hydroxide in Central Ostrobothnia, Finland, with mining starting in 2026.

Kelley Blue Book

Kelley Blue Book, also known as KBB, is an American vehicle valuation company that publishes price estimates for new and used cars, based on actual market transactions.

Kellingley Colliery

Kellingley Colliery was a deep coal mine near Knottingley, Yorkshire, operated by the National Coal Board and later UK Coal, from 1965 to its closure in December 2015.

Kelly Johnson (aeronautical engineer)

Kelly Johnson, born Clarence Leonard Johnson, was an American aeronautical engineer at Lockheed who founded the Skunk Works and designed the U-2 and SR-71 Blackbird.

Kelly Stephani

Kelly Stephani is an American aerospace engineer and Associate Professor at the University of Illinois Urbana-Champaign who studies nonequilibrium reacting gas flows around hypersonic reentry vehicles and received a 2019 PECASE award.

Kelmscott Press

The Kelmscott Press was a private printing press founded by William Morris at Hammersmith, London, in 1891, producing 53 titles and the celebrated 1896 Kelmscott Chaucer.

Kelong Fan

Kelong Fan (范克龙) is a Chinese nanobiology professor at the Institute of Biophysics, Chinese Academy of Sciences in Beijing, known for nanozymes and the 2012 magnetoferritin tumor-targeting nanoparticles.

Kelsey Hatzell

Kelsey B. Hatzell is an American materials scientist and associate professor at Princeton University, there since 2021, known for using synchrotron X-ray techniques to watch solid-state battery interfaces operate in real time.