All articles starting with L
25,375 articles
Lay-up process (composite manufacturing)
Lay-up is a composite manufacturing method in which layers of fiber reinforcement and resin are stacked on a tool and consolidated into a solid laminate, the baseline route for aerospace structures.
Lay's
Lay's is an American potato chip brand founded by Herman Lay in Nashville in 1932, merged into Frito-Lay in 1961 and PepsiCo in 1965; sold in over 200 countries, using about 4 billion pounds of potatoes yearly.
Laya (actress)
Laya (Telugu actress లయ), born 1981 in Vijayawada, is a Telugu film actress and classical dancer, lead debut in Swayamvaram (1999), consecutive Nandi Awards for Manoharam and Preminchu; left after 2006 marriage, returned with Thammudu (2025). Not the singer, Laya DeLeon Hayes, or Laya Lewis.
Layamon's Brut
Layamon's Brut is an early Middle English verse chronicle of more than 16,000 lines, composed around 1200 by Layamon, a priest at Areley Kings in Worcestershire.
Layang Oil and Gas Field
The Layang Oil and Gas Field is an operating oil and gas field in Block SK10, offshore Sarawak, Malaysia, producing natural gas since 2017 and crude oil since 2019.
Layar Terkembang
Layar Terkembang is a 1936 Indonesian novel by Sutan Takdir Alisjahbana about two sisters, the activist Tuti and cheerful Maria, and the medical student Yusuf.
Laycan
Laycan, short for laydays/canceling, is the two-date window in a voyage charterparty within which a vessel must arrive at the load port and be ready to load.
Layden Robinson
Layden Robinson (born 2001) is an NFL guard from Texas A&M, drafted 103rd overall by the Patriots in 2024; 11 starts as a rookie, waived-injured August 2025, later signed by the Falcons.
Layer 2 Tunneling Protocol
The Layer 2 Tunneling Protocol (L2TP) is an Internet standard, specified in RFC 2661 in 1999, that tunnels PPP frames across IP networks, commonly paired with IPsec in VPNs.
Layer Cake (film)
Layer Cake is a 2004 British crime thriller, Matthew Vaughn's directorial debut, adapted from J.J. Connolly's novel and starring Daniel Craig as a London cocaine dealer trying to retire.
Layer Hall effect
The layer Hall effect is a transport phenomenon in which electrons in different layers of a magnetic material deflect oppositely, first observed in even-layered MnBi2Te4 flakes in 2021.
Layer jamming
Layer jamming, also called laminar jamming, is a variable-stiffness technique in soft robotics where compressed stacked layers lock together by friction and stiffen a structure.
Layer normalization
Layer normalization is a deep learning technique that standardizes a neural network layer's activations per example, introduced by Jimmy Lei Ba and Geoffrey Hinton in 2016 and widely used in transformers.
Layer picking
Layer picking is a warehouse automation method in which a robotic gripper lifts whole layers of cases between pallets, building mixed rainbow pallets for food and retail distribution.
Layer Pyramid
The Layer Pyramid, also known as the Pyramid of Khaba, is an unfinished Third Dynasty step pyramid at Zawyet el-Aryan, Egypt, never used for a burial.
Layer-by-layer assembly
Layer-by-layer (LbL) assembly is an inexpensive thin-film fabrication method, introduced by R.K. Iler in 1966 and by Gero Decher in 1991, that alternately adsorbs oppositely charged molecules from water, used in drug delivery and tissue engineering.
Layer-by-layer nanoparticles
Layer-by-layer nanoparticles are drug-delivery particles built by sequentially adsorbing oppositely charged polymers or lipids onto a colloidal core, used mainly in cancer therapy and gene delivery.
Layer-dependent ferromagnetism in a van der Waals crystal down to the monolayer limit
A 2017 Nature paper by Bevin Huang and colleagues reporting the first two-dimensional crystal with intrinsic magnetism, monolayer chromium triiodide, a ferromagnet with a Curie temperature of 45 K.
Layer-dependent ferromagnetism in CrI3 monolayers
Layer-dependent ferromagnetism in CrI3 monolayers is the change of chromium triiodide's magnetic order with layer number: single layers are ferromagnetic, bilayers antiferromagnetic, trilayers ferromagnetic again.
Layer-wise relevance propagation
Layer-wise relevance propagation (LRP) is an explainability technique for neural networks that decomposes a prediction into relevance scores per input component, introduced by Bach and colleagues in 2015.
Layered Cliffs and Dense Trees
Layered Cliffs and Dense Trees (层岩丛树图), also translated Storied Mountains and Dense Forests, is a tenth-century ink-on-silk hanging scroll attributed to the monk-painter Juran, held in Taipei.
Layered double hydroxide electrocatalysts
Layered double hydroxide electrocatalysts are catalysts made from layered double hydroxides, two-dimensional anionic clays, used in water splitting, especially the oxygen evolution reaction for hydrogen production.
Layered double hydroxides
Layered double hydroxides (LDHs), also called anionic clays or hydrotalcite-like compounds, are ionic lamellar solids with positively charged brucite-like metal hydroxide layers separated by exchangeable interlayer anions and water.
Layered perovskite
A layered perovskite is a material in which slabs cut from the perovskite structure are stacked with spacer layers, covering oxide compounds and hybrid organic–inorganic halides used in solar cells.
Layered sodium cobaltate
Layered sodium cobaltate (NaxCoO2) is a layered cobalt oxide whose sodium content controls its properties; it shows a large thermoelectric power, and its hydrate superconducts near 5 K.
Layered sodium oxide
Layered sodium oxides are sodium transition metal oxides with the general formula NaₓTMO₂, one of the main cathode classes for sodium-ion batteries, valued for high specific capacity, high energy density, and manufacturing-compatible synthesis.
Layering
Layering (marcottage) is asexual plant propagation in which a stem roots while still attached to the parent, then is severed. Types include tip, simple, serpentine, mound, trench, and air layering for hard-to-root woody plants.
Layers of Fear
Layers of Fear is a 2016 first-person psychological horror game by Poland's Bloober Team, following a painter descending into madness in an ever-shifting Victorian mansion.
Laying of the Indo-European telegraph cables (Red Sea and India routes)
The Red Sea and India telegraph routes were submarine cables laid from 1859 to 1870 to connect Britain with India via the Mediterranean and Red Sea.
Layla
"Layla" by Derek and the Dominos (1970), written by Eric Clapton and Jim Gordon, is a seven-minute rock song about Clapton's love for Pattie Boyd, with a Duane Allman riff and a Jim Gordon piano coda; peaked at number 10 US and number 7 UK in 1972 and reworked acoustically by Clapton in 1992.