61,984 articles
MARC Train
MARC Train, short for Maryland Area Regional Commuter, is Maryland's commuter rail system, run by MDOT MTA on three lines linking Baltimore and Washington, D.C., established in 1983.
Marc Z Miskin
Marc Z Miskin is a nanorobotics researcher and assistant professor of electrical and systems engineering at the University of Pennsylvania, leading a group building microscopic walking robots since 2019.
Marc‐Georg Willinger
Marc-Georg Willinger, also published as Marc Willinger, is an electron microscopist who studies catalysts by in situ and operando electron microscopy, and a full professor at TUM since 2022.
Marcel Barrère
Marcel Barrère was a French aerospace engineer and combustion scientist who spent his career at ONERA, directed its research from 1979 to 1985, and wrote the major handbook Rocket Propulsion.
Marcel Breuer
Marcel Lajos Breuer (1902–1981) was a Hungarian-born American architect and furniture designer who pioneered tubular steel furniture at the Bauhaus, including the Wassily chair of 1925.
Marcel Kornacker
Marcel Kornacker, database engineer, UC Berkeley PhD (2000), founding tech lead of Google F1's query engine, creator of Apache Impala, co-creator of Apache Parquet, and CTO and co-founder of Pixeltable, the multimodal AI data infrastructure company launched December 2024.
Marcel Schreier
Marcel Schreier is a Swiss electrocatalysis researcher who is the Richard H. Soit Assistant Professor of chemical and biological engineering at the University of Wisconsin–Madison.
Marcelo Claure
Marcelo Claure, full name Raúl Marcelo Claure Bedoya, is a Bolivian American entrepreneur who founded the wireless distributor Brightstar and, as SoftBank's chief operating officer, led Sprint's turnaround.
Marcelo Horacio García
Marcelo Horacio García is an Argentine-American hydraulic engineer who directs the Ven Te Chow Hydrosystems Laboratory at the University of Illinois and studies sediment transport and river morphodynamics.
Marchant Calculating Machine Company
The Marchant Calculating Machine Company, founded by Rodney and Alfred Marchant in Oakland, California in 1911, made rotary calculators whose line ended in the early 1970s.
Marchesini Group
Marchesini Group is an Italian manufacturer of automatic machines and complete lines for packaging pharmaceutical and cosmetic products, founded by Massimo Marchesini in 1974 in Pianoro, Bologna.
Marchioness disaster
The Marchioness disaster, also called the Marchioness tragedy, was the 1989 collision on the River Thames in London between the passenger launch Marchioness and the dredger Bowbelle, which killed 51 people.
Marcian Hoff
Marcian Edward "Ted" Hoff, Jr. is an American electrical engineer who, as Intel's twelfth employee, proposed the Intel 4004, the first commercial microprocessor, in 1969.
Marco Hutter
Marco Hutter is a Swiss roboticist, professor of robotic systems at ETH Zurich, and director of its Center for Robotics, known for learning-based legged locomotion and co-founding ANYbotics.
Marco Pavone
Marco Pavone is an Italian-born robotics researcher and Stanford associate professor of aeronautics who directs the Autonomous Systems Laboratory and leads autonomous vehicle research at NVIDIA.
Marco Polo Bridge
Marco Polo Bridge, also called Lugou Bridge (卢沟桥), is an 11-arch stone bridge over the Yongding River southwest of Beijing, built by the Jin dynasty from 1189 to 1192.
Marconi Company
The Marconi Company, also known as Marconi's Wireless Telegraph Company, was a British wireless telegraphy firm founded by Guglielmo Marconi in London in 1897, first registered as the Wireless Telegraph and Signal Company.
Marcopolo (bus manufacturer)
Marcopolo (Marcopolo S.A.) is a Brazilian manufacturer of bus bodies and components based in Caxias do Sul, founded in 1949 and among the world's largest.
Marcoule Nuclear Site
The Marcoule Nuclear Site is a French nuclear complex in the Gard department, created in 1955 for France's nuclear deterrent and now a CEA research center.
Marcus Halik
Marcus Halik, born 1971, is a materials science professor at FAU Erlangen-Nürnberg since 2005, known for low-voltage organic transistors and for magnetic nanoparticles that remove PFAS from water.
Marcus Hutter
Marcus Hutter is a computer scientist and AI researcher at Google DeepMind in London, known for the AIXI model of optimal agents and the Hutter Prize for text compression.
Mardankhel Oil and Gas Field
Mardankhel is an onshore gas-condensate field in the Tal Block on the Kohat Plateau of Khyber Pakhtunkhwa, Pakistan, discovered in 2015 and operated by MOL Pakistan.
Marder (infantry fighting vehicle)
The Marder (Schützenpanzer Marder 1) is a West German infantry fighting vehicle, in Bundeswehr service since 1971, armed with a 20 mm autocannon and now being replaced by the Puma.
Marder II
The Marder II (Sd.Kfz. 131) was a German Second World War tank destroyer that mounted a 7.5 cm PaK 40 gun on the obsolete Panzer II light tank chassis.
Marder III
The Marder III (Marder 3) was a family of three German tank destroyers of World War II, mounting anti-tank guns on the Panzer 38(t) chassis from 1942 to 1944.
MARDI (camera)
MARDI, short for Mars Descent Imager, is a downward-facing color camera on NASA's Curiosity rover that filmed the Martian surface during descent to Gale Crater in August 2012.
Mardi Gras Service
Mardi Gras Service, also called Amtrak Mardi Gras, is a state-sponsored Amtrak passenger rail service running twice daily between New Orleans and Mobile since August 2025.
Mardi Gras Transportation System
The Mardi Gras Transportation System is a network of five BP oil and gas pipelines in the deepwater Gulf of Mexico, capable of moving over 1 million barrels of oil daily.
Mare's Leg
The Mare's Leg is a cut-down Winchester Model 1892 lever-action firearm created as a prop for Steve McQueen in the western series Wanted: Dead or Alive.
MAREA
MAREA is a transatlantic submarine fiber-optic cable connecting Virginia Beach, Virginia, with Bilbao, Spain. Built by Microsoft, Facebook, and Telxius, it entered service in 2018.