All articles starting with L

Lockyer (Martian crater)

Lockyer, an IAU-approved 71.35 km impact crater on Mars at 27.84°, 160.51°E, cataloged as Gazetteer Feature ID 3444; imaged by Mars Odyssey, distinct from the lunar crater of the same name.

Locmariaquer megaliths: Neolithic monument group in Morbihan, Brittany, France, comprising the Grand Menhir brisé (20.6 m, 280 t), the Table des Marchands passage grave, and the Er Grah tumulus, built 4700-3800 BC.

Sep 19, 2026

Loco Dice

Loco Dice, born Yassine Ben Achour in 1974, is a German DJ and producer of Tunisian descent from Düsseldorf who works between house and techno.

Loco moco

Loco moco is a Hawaiian dish of white rice, a hamburger patty, brown gravy, and a fried egg, invented in 1949 at the Lincoln Grill in Hilo and popularized by Cafe 100; it belongs to Hawaii's local, plantation-era food tradition, not pre-contact Native Hawaiian cuisine.

Locomanipulation

Locomanipulation, short for locomotion plus manipulation, is the coordinated movement of a robot's body while interacting with objects, a defining challenge of whole-body humanoid control.

Locomation

Locomation was an American autonomous trucking startup founded in Pittsburgh in 2018 as a Carnegie Mellon spinout; its ARC system electronically tethered an autonomous follower truck to a human-driven lead truck.

Locomotion No. 1

Locomotion No. 1 is an 1825 steam locomotive by Robert Stephenson & Co. that hauled the first train on the first public railway, now displayed at Shildon.

Locomotive

A locomotive, or railway engine, is a rail traction vehicle that carries no payload and hauls unpowered coaches and wagons, first hauling a load in 1804.

Locomotive books and magazines

Locomotive books and magazines are the publishing side of railway enthusiasm, spanning consumer magazines, society journals, and reference books, a tradition dating to The Locomotive Magazine of 1896.

Locomotive classification and numbering systems

Railways identify locomotives through classification schemes, which group vehicles into classes readable from the designation, and numbering systems that give each vehicle a unique registered identifier.

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.

Locomotor activity

Locomotor activity is the measurable voluntary movement of an animal, driven by spinal central pattern generators and brainstem locomotor regions, and quantified by home-cage, video, RFID, and accelerometer methods for neuroscience, circadian, and welfare research.

Locoteiacus

Locoteiacus (Locoteiacum) is the Gallo-Roman site at Ligugé near Poitiers where Martin of Tours founded in 361 the oldest known monastery in Gaul, now the Benedictine Abbaye Saint-Martin de Ligugé.

Locras Valles

Locras Valles is an IAU-approved (1979) valley system on Mars near 8.84°N, 48.26°E, about 351 km across, named for an ancient Corsican river, with an integrated catchment draining into a closed basin.

Locrian mode

Locrian mode, also called the Locrian scale: the seventh diatonic mode, the B-to-B octave species with degrees 1 ♭2 ♭3 4 ♭5 ♭6 ♭7 and a diminished tonic triad, used in jazz over half-diminished chords.

Locro

Locro (Quechua ruqru/lukru) is a thick Andean stew of maize, beans, and squash; Argentina's meat-rich patriotic version is eaten on 25 May and 9 July, while Ecuador's locro de papa is a potato-cheese soup.

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.

Locum

Locum, from Latin locum tenens ("holding the place"), is a person, usually a physician or cleric, substituting temporarily for another; a $9.4 billion US medical staffing sector covering rural and short-staffed facilities.

Locus (genetics)

Locus (plural loci): the physical location of a gene or other DNA segment on a chromosome. Described by cytogenetic address (e.g. 7q31.2 for CFTR) or molecular nucleotide coordinates; basis of genetic mapping, alleles, and linkage.

Locus (mathematics)

In mathematics, a locus (plural: loci) is the set of all points, and only those points, satisfying a stated condition, typically forming a curve or surface.

Locus Award

Locus Awards, annual literary awards for science fiction, fantasy, and horror presented since 1971 by a reader poll run by Locus magazine, administered by the Locus Science Fiction Foundation; subscriber votes count double, and the first novel winner was Larry Niven's Ringworld.

Locus Biosciences

Locus Biosciences (locus-bio.com), Research Triangle Park NC biotech developing CRISPR-Cas3-engineered bacteriophage (crPhage) precision antibacterials; lead product LBP-EC01 for MDR E. coli UTIs in the ELIMINATE Phase 2/3 trial, backed by BARDA and NIAID funding.

Locus coeruleus

Locus coeruleus (blue spot): small pigmented brainstem nucleus in the dorsolateral pons, the brain's principal source of norepinephrine, regulating arousal, sleep–wake cycling, attention, and implicated early in Alzheimer's and Parkinson's pathology.

Locus control region

Locus control region (LCR), e.g. the beta-globin LCR or dominant control region: a multi-kilobase cluster of DNase I hypersensitive enhancer sites that confers high-level, position-independent gene expression, studied at the globin loci and used in hemoglobinopathy gene therapy vectors.

Locus of control

Locus of control, proposed by Julian Rotter in 1954, is the belief about whether life outcomes stem from one's own actions (internal) or external forces like luck or others (external), measured by scales such as Rotter's I-E and Levenson's I-P-C.