All articles starting with L
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Lightdash
Lightdash is an open-source BI platform built on dbt, founded 2020 by Chaudhary and Laslett, YC S20, London. Serves dbt metrics as dashboards; $8.4M (2022), $11M Series A (Accel, 2024).
Lightelligence (曦智科技)
Lightelligence (曦智科技) is a Shanghai-headquartered company founded in 2017 by MIT physics PhD Yichen Shen that develops photonic computing chips and optical interconnect for AI clusters.
Lighter
A lighter is a portable flame-producing device used to ignite cigarettes, candles, and stoves, burning butane or naphtha; the first lighter was Döbereiner's lamp of 1823.
Lighter (Jelly Roll and Carín León song)
"Lighter" (also FIFA Sound Lighter) is a bilingual English-Spanish song by Jelly Roll and Carín León, produced by Cirkut; released March 20, 2026 via Def Jam as the first single of the official FIFA World Cup 2026 album, with each artist representing a host country.
Lighter and Princess (点燃我，温暖你)
Lighter and Princess (点燃我，温暖你), originally titled 打火机与公主裙, is a 2022 Youku Chinese youth romance drama adapted from Twentine's novels, directed by Liu Junjie, starring Chen Feiyu and Zhang Jingyi, 36 episodes, Douban 7.6.
Lightest supersymmetric particle
The lightest supersymmetric particle (LSP) is the lightest superpartner predicted by supersymmetry. In R-parity-conserving models it is stable and the leading cold dark matter candidate.
LightForce Orthodontics
LightForce Orthodontics is an American dental-technology company, founded in 2015 by Alfred Griffin and Lou Shuman, that makes customized 3D-printed orthodontic brackets called Generative Braces.
LightGBM
LightGBM is an open-source gradient boosting framework that builds decision tree ensembles for classification, regression, and ranking, introduced by Guolin Ke and colleagues in 2017.
Lightheadedness
Lightheadedness, also called light-headedness or presyncopal dizziness, is a vague faint or floating sensation, one of four dizziness types, caused by reduced cerebral blood flow (orthostatic hypotension, arrhythmia), hyperventilation, anxiety, or medications.
Lighthill–Whitham–Richards model
The Lighthill–Whitham–Richards model, or LWR, is a first-order macroscopic traffic flow model, also known as kinematic wave theory, proposed by Lighthill and Whitham in 1955.
Lighthouse
A lighthouse is a tower carrying a light that aids maritime navigation, warning mariners of coasts, reefs, and rocks; mariners have used lights for over 2,000 years.
Lighthouse (band)
Lighthouse is a Canadian rock band formed in Toronto in 1969 by Skip Prokop and Paul Hoffert, blending rock, jazz horns, strings, and vibraphone; hits "One Fine Morning" and "Sunny Days", Canada's first platinum album, and continuous touring since the 1992 reunion distinguish it.
Lighthouse and naval vessel urban legend
The lighthouse and naval vessel urban legend, or 'This is a lighthouse. Your call.' joke, is a false story of a warship ordering a lighthouse to change course, dating to a 1931 comic and debunked by the US Navy.
Lighthouse at mouth of Oued Chélif
Lighthouse at mouth of Oued Chélif: an ancient lighthouse on Algeria's Mediterranean coast at the mouth of the Chélif wadi, attested via Gsell's Atlas archéologique and Barrington Atlas 30 inset 1.
Lighthouse automation
Lighthouse automation is the replacement of resident lighthouse keepers with self-operating equipment and periodic maintenance visits, carried out through national programs from the 1960s through the 1990s.
Lighthouse Family
Lighthouse Family were a British pop-soul duo of Tunde Baiyewu and Paul Tucker, formed 1993 in Newcastle upon Tyne, best known for "Lifted", the albums Ocean Drive and Postcards From Heaven, and the 2019 comeback Blue Sky In Your Head.
Lighthouse keeper
A lighthouse keeper, also called a lightkeeper, was a person employed to operate and maintain a lighthouse, keeping its light and fog signal working so mariners could avoid dangerous coasts.
Lighthouse of Alexandria (منارة الإسكندرية)
The Lighthouse of Alexandria, also called the Pharos of Alexandria, was a lighthouse built on the island of Pharos in Egypt around 297 BCE, one of the Seven Wonders of the Ancient World.
Lighting
Lighting is the deliberate application of light to make spaces usable and comfortable, consuming about 2,200 TWh in 2024, roughly 8% of global electricity demand.
LightInTheBox
LightInTheBox (兰亭集势) is a Chinese cross-border e-commerce company founded in Beijing in 2007, selling Chinese-made goods to overseas consumers and listed on the New York Stock Exchange since 2013.
Lightmatter (company)
Lightmatter is an American photonic computing company founded in 2017 by MIT researchers Nicholas Harris, Darius Bunandar, and Thomas Graham, building light-based interconnects and processors for AI data centers.
Lightnin' Hopkins
Lightnin' Hopkins, born Samuel John Hopkins, was a Texas blues singer and guitarist who carried country blues into the postwar era over more than 50 years.
Lightning
Lightning, also called lightning discharge, is a giant spark of electricity in the atmosphere or to the ground, heating the air it passes through to 50,000 degrees Fahrenheit.
Lightning (connector)
Lightning, also known as the Lightning port, is Apple's proprietary 8-pin reversible connector for charging and data transfer, introduced in 2012 with the iPhone 5.
Lightning (DC Comics)
Lightning (Jennifer Pierce) is a DC Comics superheroine, youngest daughter of Black Lightning and sister of Thunder. Debuting in Kingdom Come (1996) and mainstream JSA #12 (2008), she generates electricity, unlike her father who siphons it.
Lightning (Koontz novel)
Lightning (originally Lightning Road) is Dean Koontz's 1988 Putnam suspense novel about Laura Shane, saved repeatedly by Stefan, a time-traveling Nazi scientist using the lightning road; a bestseller despite mixed reviews.
Lightning AI, Inc.
Lightning AI, Inc., formerly Voltage Park, is a San Francisco AI company formed by a 2026 merger, known for the PyTorch Lightning framework and a GPU cloud.
Lightning arrester
A lightning arrester, also called a lightning diverter or surge arrester, is a device connected between a power conductor and earth that limits overvoltages by diverting surge current to ground and then restoring its high resistance.
Lightning Bolt (Pearl Jam album)
Lightning Bolt is the tenth studio album by the American rock band Pearl Jam, released on October 15, 2013, and produced by longtime collaborator Brendan O'Brien.
Lightning Crashes
"Lightning Crashes" is a 1994 song by the American alternative rock band Live from Throwing Copper, written by Ed Kowalczyk and produced with Jerry Harrison.