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Kick Sauber C45
The Kick Sauber C45 is a Formula 1 car raced by Stake F1 Team KICK Sauber in 2025, the last Ferrari-powered Sauber before the team became Audi.
Kick scooter
A kick scooter, also called a push scooter, is a human-powered vehicle with a low deck on small wheels and a steering handlebar, propelled by pushing with one foot.
KickassTorrents
KickassTorrents (KAT), founded 2008, was a BitTorrent index and search engine that became the world's most popular torrent directory before its July 2016 domain seizure and the arrest of alleged founder Artem Vaulin in Poland.
Kickstarter
Kickstarter, also known as Kickstarter.com, is an American crowdfunding platform launched in 2009 where backers fund creative projects, charged only if the funding goal is met.
Kid Pix
Kid Pix is a children's drawing and painting program created by Craig Hickman, first distributed free for the Macintosh in 1989 and published commercially by Broderbund in 1991.
Kidd-class destroyer
The Kidd class, informally the Ayatollah class, was a class of four US Navy guided-missile destroyers built for Iran and completed after the 1979 revolution.
Kiddicraft
Kiddicraft was a British toy company founded by Hilary Fisher Page in 1932 at Purley, Surrey, best known for the studded plastic building brick that LEGO later adapted.
Kiehl's
Kiehl's is an American cosmetics brand specializing in luxury skin, hair, and body care, founded as a New York City apothecary in 1851 and owned by L'Oréal since 2000.
Kiel Canal
Kiel Canal (Nord-Ostsee-Kanal, formerly Kaiser-Wilhelm-Kanal): 98.7 km German ship canal from Brunsbüttel on the Elbe to Kiel-Holtenau on the Baltic, opened 1895, the world's most-used artificial waterway, saving ships the route around Denmark.
Kieler Woche
Kieler Woche (Kiel Week) is an annual sailing regatta and summer festival in Kiel, Germany, first raced in 1882 and called the largest sailing event in the world.
Kiev-class aircraft carrier
The Kiev class, Soviet Project 1143 Krechyet, was a class of four hybrid warships built for the Soviet Navy from 1970 to 1987, the first Soviet ships able to operate fixed-wing aircraft.
Kievskaya (Koltsevaya line)
Kievskaya (Киевская) is a station on the Koltsevaya (Circle) line of the Moscow Metro, opened on 14 March 1954 and decorated with 18 large mosaic panels on Russian-Ukrainian unity.
Kiewit Corporation
Kiewit Corporation, also known as Peter Kiewit Sons, is an employee-owned construction and engineering firm founded in 1884 in Omaha, Nebraska, where it remains headquartered.
Kigumi
Kigumi (木組み) is the Japanese craft of assembling the wooden frame of a building, its beams and columns interlocking through shaped joints instead of glue or nails.
KiHa 100 series
The KiHa 100 series (キハ100系) is a diesel multiple unit built for JR East, introduced in 1990 to replace aging Japanese National Railways cars on rural non-electrified lines.
KiHa 181 series
The KiHa 181 series (キハ181系) was a limited express diesel multiple unit built by Japanese National Railways from 1968 to 1972, with 158 cars serving steep non-electrified lines until 2010.
KiHa 183 series (キハ183系)
The KiHa 183 series (キハ183系) is a Japanese limited-express diesel multiple unit designed for Hokkaido's snow and cold, the island's diesel express backbone from 1981 to 2023.
KiHa 40 series
The KiHa 40 series, also known as KiHa 40 (国鉄キハ40系), is a Japanese diesel multiple unit introduced by Japanese National Railways in 1977 for unelectrified local lines.
Kiichiro Toyoda (豊田喜一郎)
Kiichiro Toyoda (豊田喜一郎; 1894–1952) was a Japanese engineer, son of inventor Sakichi Toyoda, who founded Toyota Motor Corporation in 1937 and conceived the just-in-time production system.
Kijiji
Kijiji, also known as Kijiji Canada or Kijiji.ca, is a Canadian peer-to-peer classifieds marketplace founded by eBay in 2005 and headquartered in Toronto, now the country's leading classifieds site.
Kik Messenger
This Canadian messaging app, founded in 2009 by University of Waterloo students, is known for its free, username-based system and peak of 300 million registered users.
Kilcoe Castle
Kilcoe Castle, a 15th-century MacCarthy tower house on Mannin Beg island in Roaringwater Bay, West Cork, fell to English forces in 1603 and was restored 1998-2004 by owner Jeremy Irons as a private residence.
Kilian Q. Weinberger
Kilian Q. Weinberger is a machine learning researcher and professor of computer science at Cornell University, known for LMNN, feature hashing, and DenseNet, which won the CVPR 2017 best paper award.
Kilij
The kilij is an Ottoman single-edged sabre with a widened false edge near the tip, a pistol-grip hilt, and influence on European officer swords after 1798.
Kilkenny Castle
Kilkenny Castle is a castle in Kilkenny City, Ireland, first fortified in 1172 and the seat of the Butler family, earls and dukes of Ormond, for almost 600 years.
Kill ratio (semiconductor yield)
The kill ratio, or kill rate, is the probability that a defect of a given size at an inspection step kills the semiconductor die carrying it.
Kill switch
A kill switch, also known as an emergency stop or e-stop, is a hardware or software mechanism that quickly shuts down a device to prevent harm or theft.
Kiln
A kiln is an insulated, thermally insulated chamber or furnace that heats materials to 800–1,800°C for firing ceramics, calcining limestone, and charring wood into charcoal.
Kilo-class submarine
The Kilo-class submarine (Russian Varshavyanka) is a diesel-electric attack submarine designed by Rubin in the Soviet Union, first entering service in the early 1980s and known for quietness.
Kilobot
The Kilobot is a small, low-cost swarm robot developed at Harvard University; in 2014, 1,024 Kilobots self-assembled two-dimensional shapes, named a top-10 science breakthrough of the year.