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Locomotive dumps of New Zealand
Locomotive dumps of New Zealand are sites where New Zealand Railways discarded obsolete steam locomotives by rolling them into rivers for flood and erosion protection, mostly in the 1920s.
Locomotive Publishing Company
The Locomotive Publishing Company was a London publisher specializing in railways, home of the Locomotive Magazine and one of the first commercial railway photo libraries.
Locomotive Services Limited
Locomotive Services Limited, also known as Locomotive Services, is a Crewe-based rail company certified in 2017 to run mainline passenger charter trains hauled by steam, diesel, and electric locomotives.
Locomotives of India
Locomotives of India are the steam, diesel, and electric traction of Indian Railways, classified by letter codes encoding gauge, power type, and duty such as passenger or goods.
Locomotives of the London and North Eastern Railway
The locomotives of the London and North Eastern Railway were the steam, electric, and railcar motive power run by the LNER from the 1923 Grouping until nationalisation in 1948.
Loctite
Loctite is an adhesive brand owned by German company Henkel, founded in 1953 after the invention of anaerobic adhesives, and known for threadlockers and Super Glue.
Locus Robotics
Locus Robotics is an American warehouse automation company founded in 2014 by the team behind Quiet Logistics, with more than 22,000 collaborative picking robots deployed across over 360 sites worldwide.
Locust Laser Weapon System
The Locust Laser Weapon System (LOCUST) is a 20-kilowatt-class high-energy laser counter-drone weapon developed by BlueHalo, acquired by AeroVironment in 2025, and deployed with the U.S. Army.
Lodash
Lodash is a JavaScript utility library providing functions for working with arrays, objects, strings, and numbers, first published on npm in 2012 under the MIT license.
Loddon Bridge disaster
The Loddon Bridge disaster was the collapse of falsework during construction of the A329 viaduct over the River Loddon at Woodley, Berkshire, on 24 October 1972, killing three workers and injuring ten.
Lodging
Lodging is paid overnight accommodation for travelers in hotels, motels, guesthouses, hostels, and holiday homes; UN statistics classify it as collective accommodation under common commercial management.
Lodochnoye Oil and Gas Field
The Lodochnoye oil and gas field, discovered in 1985, lies in Krasnoyarsk Krai in northern Russia and has produced oil since 2017 as a Vankor cluster satellite.
Loesche
Loesche, founded in Berlin in 1906 and based in Düsseldorf, is a German company that builds vertical roller mills and turnkey grinding plants for cement, coal, and ores.
Lofn/Langemann
Lofn and Langemann are two adjacent gas and condensate discoveries made in 2025 in the Sleipner area of the Norwegian North Sea by Equinor and Aker BP.
Loft
A loft is a large, open-plan dwelling made by converting a former industrial or commercial building into housing, with high ceilings, large windows, and few internal partitions.
Log cabin
A log cabin is a small dwelling of horizontally stacked logs joined at notched corners, needing no nails, introduced to America by Finnish and Swedish settlers in 1638.
Log compaction
Log compaction: Kafka's per-key retention that keeps at least the latest value for each message key in a topic partition, with tombstone deletion, immutable offsets, and a background log cleaner, unlike time- or size-based retention.
Log construction
Log construction is a building method in which horizontally stacked logs joined at interlocking corner notches form load-bearing walls, historically dominant in Norway and widely used for log homes.
Log-MAP algorithm
The Log-MAP algorithm is a maximum a posteriori decoding algorithm for convolutional and turbo codes that computes probabilities in the log domain while keeping exact MAP performance.
Log-periodic antenna
A log-periodic antenna is a broadband directional antenna, invented by Isbell at the University of Illinois in 1958, whose performance stays nearly constant across frequency ranges greater than ten to one.
Log-structured merge-tree
The log-structured merge-tree (LSM-tree) is a disk-based data structure that batches and cascades index updates, introduced in a 1996 paper by Patrick O'Neil and colleagues and now the storage engine behind RocksDB, Cassandra, and Bigtable.
Log4j
Log4j, also known as Apache Log4j, is a Java logging framework maintained by the Apache Software Foundation, first released in 1999 and among the most widely deployed Java libraries.
Log4Shell
Log4Shell is the industry name for CVE-2021-44228, a critical remote code execution vulnerability in the Apache Log4j Java logging library, disclosed and exploited at scale in December 2021.
Logan International Airport
Logan International Airport, officially General Edward Lawrence Logan International Airport, is Boston's primary airport, the largest in New England, handling 43.8 million passengers in fiscal 2025.
Logan Motorway
The Logan Motorway is a tolled motorway in Brisbane, Australia, linking the Ipswich and Pacific motorways. Opened in 1988, it carries about 210,000 trips daily.
Loganair
Loganair is a Scottish regional airline, established in 1962 and headquartered at Glasgow Airport, operating scheduled passenger and cargo flights across the UK, Ireland, and Scandinavia.
Loggia
A loggia is a roofed gallery that is part of a building but open on one or more sides through arches or columns, typical of warm climates.
Logging truck
A logging truck, also called a log truck or timber truck, is a heavy-duty truck configured to carry cut logs from a harvest site or landing to a mill.
Logging while drilling
Logging while drilling (LWD) is a geophysical well-logging technique that measures formation properties, such as resistivity and porosity, with sensors in drill collars just above the drill bit.
Logic analyzer
A logic analyzer, also known as a digital logic analyser, is a test instrument that records digital signals as 1s and 0s, invented in 1973 for debugging microprocessor systems.