edgepedia

Technology and the built world

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Linyi-Yizheng Pipeline

The Linyi-Yizheng Pipeline, called the Luning line (鲁宁线), is a 665 km crude oil pipeline in eastern China from Linyi, Shandong, to Yizheng, Jiangsu. Built in the 1970s, it ceased operation in December 2024.

Lio (robot)

Lio is a mobile service robot with a multifunctional arm, made by F&P Robotics of Switzerland for personal care and assistance in healthcare and elderly care.

LIO-SAM

LIO-SAM (Lidar Inertial Odometry via Smoothing and Mapping) is an open-source lidar-inertial odometry framework that estimates a robot's trajectory and builds a 3D map in real time using a factor graph, published at IROS 2020.

Lion Air

Lion Air, also known as PT Lion Mentari Airlines, is an Indonesian private low-cost airline founded in Jakarta in 1999 that leads the domestic market with about 40% share.

Lion Air Flight 610

Lion Air Flight 610 was a Boeing 737 MAX 8 flight from Jakarta that crashed into the Java Sea on October 29, 2018, killing all 189 aboard.

Lion Cove

Lion Cove is a high-performance CPU core microarchitecture developed by Intel as the successor to Redwood Cove, debuting in 2024 in the Lunar Lake mobile and Arrow Lake desktop processors.

Lion Gate

The Lion Gate, built around 1250 BCE, is the main entrance to the Bronze Age citadel of Mycenae in southern Greece, named for its lion relief.

Lion Storage

Lion Storage is a Dutch utility-scale battery storage developer, the energy-storage brand of parent company Return, known for Project Mufasa, a 350 MW battery park in Vlissingen financed with over €350 million in February 2025.

Lion-class battleship

The Lion-class battleships were six fast battleships designed for the Royal Navy in the late 1930s as successors to the King George V class; none was ever completed.

Lionel Corporation

Lionel Corporation was an American toy manufacturer founded in 1900 by Joshua Lionel Cowen, best known for electric toy trains that dominated the United States market in the 1950s.

Lionel-Groulx station

Lionel-Groulx station is a Montreal métro station in the borough of Sud-Ouest, opened in 1978, serving as the transfer point between the Green and Orange lines.

Lionhead Studios

Lionhead Studios was a British video game developer in Guildford, England, founded by Peter Molyneux in 1997, known for Black & White and the Fable series.

Lioz Etgar

Lioz Etgar is an Israeli professor at the Hebrew University of Jerusalem who leads the Excitonic Solar Cells laboratory and is known for hole-conductor-free perovskite solar cells.

Lipari Energy, Inc.

Lipari Energy, Inc. was a Kentucky-based producer of thermal coal mining in Central Appalachia, listed on the Toronto Stock Exchange and taken private in 2013.

Liposome drug delivery

Liposome drug delivery is the use of phospholipid vesicles to carry drugs, offering targeting, controlled release, and lower toxicity; first marketed as Doxil in 1995, the first FDA-approved nano-drug.

Lippendorf power station

Lippendorf power station (Kraftwerk Lippendorf) is a lignite-fired power station about 15 kilometers south of Leipzig in Saxony, Germany, operating two 933 MW blocks since 1999.

Liquation

Liquation is a metallurgical separation method in which an alloy is heated until one constituent melts and drains away, used historically to separate silver from copper with lead.

Liquefaction potential index

The liquefaction potential index (LPI) is a geotechnical index, proposed by Iwasaki et al. in 1978, that rates the severity of earthquake-induced soil liquefaction at a site.

Liquefaction train

A liquefaction train is one complete refrigeration line at an LNG plant that cools natural gas to about −162 °C, turning it into liquefied natural gas.

Liquefied natural gas

Liquefied natural gas (LNG) is natural gas, mostly methane, cooled to about -260 degrees Fahrenheit into a liquid 600 times smaller in volume, enabling shipment across oceans by tanker.

Liquefied natural gas as bunker fuel

Liquefied natural gas as bunker fuel is the use of natural gas, chilled to a liquid, as fuel for ship engines instead of oil-based marine fuels.

Liquefied petroleum gas

Liquefied petroleum gas, or LP gas, is a fuel of mainly propane and butane, stored as a liquid under pressure and used for cooking, heating, and transport.

Liquid AI

Liquid AI is an artificial intelligence company spun out of MIT's CSAIL, founded by Ramin Hasani, Mathias Lechner, Alexander Amini, and Daniela Rus, emerging from stealth in 2023.

Liquid air energy storage

Liquid air energy storage, also called cryogenic energy storage, is a grid-scale technology that stores surplus electricity as liquid air and regasifies it to generate power.

Liquid cooling

Liquid cooling is an engineering technique that circulates liquid coolant through cold plates or immersion tanks to remove heat from components such as microprocessors, batteries, and power electronics.

Liquid crystal elastomer actuator

A liquid crystal elastomer actuator is a soft actuator whose rubbery liquid crystal network reversibly contracts 20 to 80 percent when heated, lit, or electrically driven.

Liquid crystal on silicon

Liquid crystal on silicon (LCoS) is a reflective microdisplay technology in which liquid crystal sits on a silicon backplane, used chiefly in projectors and augmented reality headsets.

Liquid fluoride thorium reactor

The liquid fluoride thorium reactor (LFTR) is a proposed molten salt reactor that breeds fertile thorium-232 into fissile uranium-233 in liquid fluoride fuel salt, descending from Oak Ridge's 1950s molten salt work.

Liquid fluorine

Liquid fluorine is elemental fluorine cooled into a cryogenic liquid, used as a rocket oxidizer that outperforms oxygen but was never adopted operationally because of toxicity and corrosive exhaust.

Liquid Glass

Liquid Glass is a translucent design material Apple introduced at WWDC in 2025 as the shared visual language of iOS 26, iPadOS 26, and macOS Tahoe 26.